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A stock exchange, securities exchange, or bourse is an exchange where stockbrokers and traders can buy and sell securities, such as shares of stock, bonds and other financial instruments. Stock exchanges may also provide facilities for the issue and redemption of such securities and instruments and capital events including the payment of income and dividends. Securities traded on a stock exchange include stock issued by listed companies, unit trusts, derivatives, pooled investment products and bonds. Stock exchanges often function as "continuous auction" markets with buyers and sellers consummating transactions via open outcry at a central location such as the floor of the exchange or by using an electronic system to process financial transactions.[2]
To be able to trade a security on a particular stock exchange, the security must be listed there. Usually, there is a central location for record keeping, but trade is increasingly less linked to a physical place as modern markets use electronic communication networks, which give them advantages of increased speed and reduced cost of transactions. Trade on an exchange is restricted to brokers who are members of the exchange. In recent years, various other trading venues such as electronic communication networks, alternative trading systems and "dark pools" have taken much of the trading activity away from traditional stock exchanges.[3]
Initial public offerings of stocks and bonds to investors is done in the primary market and subsequent trading is done in the secondary market. A stock exchange is often the most important component of a stock market. Supply and demand in stock markets are driven by various factors that, as in all free markets, affect the price of stocks (see stock valuation).
There is usually no obligation for stock to be issued through the stock exchange itself, nor must stock be subsequently traded on an exchange. Such trading may be off-exchange or over-the-counter. This is the usual way that derivatives and bonds are traded. Increasingly, stock exchanges are part of a global securities market. Stock exchanges also serve an economic function in providing liquidity to shareholders in providing an efficient means of disposing of shares. In recent years, as the ease and speed of exchanging stocks over digital platforms has increased, volatility in the day-to-day market has increased, too.
History
[edit]The beginnings of lending were in Italy in the late Middle Ages. In the 14th century, Venetian lenders would carry slates with information on the various issues for sale and meet with clients, much like a broker does today.[4] Venetian merchants introduced the principle of exchanging debts between moneylenders; a lender looking to unload a high-risk, high-interest loan might exchange it for a different loan with another lender. These lenders also bought government debt issues.[5] As the natural evolution of their business continued, the lenders began to sell debt issues to the first individual investors. The Venetians were the leaders in the field and the first to start trading securities from other governments, yet did not embark on private trade with India. Nor did the Italians connect on land with the Chinese Silk Road. Along the potential overland trade route, Holy Roman Emperor Frederick II repulsed advances by Mongol Batu Kahn (Golden Horde) in 1241.[6] There is little consensus among scholars as to when corporate stock was first traded. Some view the key event as the Dutch East India Company's founding in 1602,[7] while others point to much earlier developments (Bruges, Antwerp in 1531 and in Lyon in 1548). The first book in history of securities exchange, the Confusion of Confusions, was written by the Dutch-Jewish trader Joseph de la Vega and the Amsterdam Stock Exchange is often considered the oldest "modern" securities market in the world.[8] On the other hand, economist Ulrike Malmendier of the University of California at Berkeley argues that a share market existed as far back as ancient Rome, that derives from Etruscan "Argentari".[9] In the Roman Republic, which existed for centuries before the Empire was founded, there were societates publicanorum, organizations of contractors or leaseholders who performed temple-building and other services for the government.[10] One such service was the feeding of geese on the Capitoline Hill as a reward to the birds after their honking warned of a Gallic invasion in 390 B.C. Participants in such organizations had partes or shares, a concept mentioned various times by the statesman and orator Cicero. In one speech, Cicero mentions "shares that had a very high price at the time". Such evidence, in Malmendier's view, suggests the instruments were tradable, with fluctuating values based on an organization's success. The societas declined into obscurity in the time of the emperors, as most of their services were taken over by direct agents of the state.[10]
Tradable bonds as a commonly used type of security were a more recent innovation, spearheaded by the Italian city-states of the late medieval and early Renaissance periods.[11]
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Joseph de la Vega, also known as Joseph Penso de la Vega and by other variations of his name, was an Amsterdam trader from a Spanish Jewish family and a prolific writer as well as a successful businessman in 17th-century Amsterdam. His 1688 book Confusion of Confusions[12] explained the workings of the city's stock market. It was the earliest book about stock trading and inner workings of a stock market, taking the form of a dialogue between a merchant, a shareholder and a philosopher, the book described a market that was sophisticated but also prone to excesses, and de la Vega offered advice to his readers on such topics as the unpredictability of market shifts and the importance of patience in investment.
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In England, London's first stockbrokers were barred from the old commercial center known as the Royal Exchange, reportedly because of their rude manners, in the late 17th century. Instead, the new trade was conducted from coffee houses along Exchange Alley. By 1698, a broker named John Castaing, operating out of Jonathan's Coffee House, was posting regular lists of stock and commodity prices. Those lists mark the beginning of the London Stock Exchange.[13]
18th century
[edit]One of history's greatest financial bubbles occurred around 1720. At the center of it were the South Sea Company, set up in 1711 to conduct English trade with South America, and the Mississippi Company, focused on commerce with France's Louisiana colony and touted by transplanted Scottish financier John Law, who was acting in effect as France's central banker. Investors snapped up shares in both, and whatever else was available.[14] In 1720, at the height of the mania, there was even an offering of "a company for carrying out an undertaking of great advantage, but nobody to know what it is".[15]
By the end of that same year, share prices had started collapsing, as it became clear that expectations of imminent wealth from the Americas were overblown. In London, Parliament passed the Bubble Act, which stated that only royally chartered companies could issue public shares. In Paris, Law was stripped of office and fled the country. Stock trading was more limited and subdued in subsequent decades. Yet the market survived, and by the 1790s shares were being traded in the young United States. On May 17, 1792, the New York Stock Exchange opened under a Platanus occidentalis (buttonwood tree) in New York City, as 24 stockbrokers signed the Buttonwood Agreement, agreeing to trade five securities under that buttonwood tree.[16]
19th century onwards
[edit]
Bombay Stock Exchange was started by Premchand Roychand in 1875.[17] While BSE Limited is now synonymous with Dalal Street, it was not always so. In the 1850s, five stock brokers gathered together under a Banyan tree in front of Mumbai Town Hall, where Horniman Circle is now situated.[18] A decade later, the brokers moved their location to another leafy setting, this time under banyan trees at the junction of Meadows Street and what was then called Esplanade Road, now Mahatma Gandhi Road. With a rapid increase in the number of brokers, they had to shift places repeatedly. At last, in 1874, the brokers found a permanent location, the one that they could call their own. The brokers group became an official organization known as "The Native Share & Stock Brokers Association" in 1875.[19]
The Bombay Stock Exchange continued to operate out of a building near the Town Hall until 1928. The present site near Horniman Circle was acquired by the exchange in 1928, and a building was constructed and occupied in 1930. The street on which the site is located came to be called Dalal Street in Hindi (meaning "Broker Street") due to the location of the exchange.
On 31 August 1957, the BSE became the first stock exchange to be recognized by the Indian Government under the Securities Contracts Regulation Act. Construction of the present building, the Phiroze Jeejeebhoy Towers at Dalal Street, Fort area, began in the late 1970s and was completed and occupied by the BSE in 1980. Initially named the BSE Towers, the name of the building was changed soon after occupation, in memory of Sir Phiroze Jamshedji Jeejeebhoy, chairman of the BSE since 1966, following his death.
In 1986, the BSE developed the S&P BSE SENSEX index, giving the BSE a means to measure the overall performance of the exchange. In 2000, the BSE used this index to open its derivatives market, trading S&P BSE SENSEX futures contracts. The development of S&P BSE SENSEX options along with equity derivatives followed in 2001 and 2002, expanding the BSE's trading platform.
Historically an open outcry floor trading exchange, the Bombay Stock Exchange switched to an electronic trading system developed by Cmc ltd. in 1995. It took the exchange only 50 days to make this transition. This automated, screen-based trading platform called BSE On-Line Trading (BOLT) had a capacity of 8 million orders per day. Now BSE has raised capital by issuing shares and as on 3 May 2017 the BSE share which is traded in NSE only closed with ₹999.[20]
Roles
[edit] | This section needs additional citations for verification. (March 2018) |
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Stock exchanges have multiple roles in the economy. This may include the following:[21]
Raising capital for businesses
[edit]Besides the borrowing capacity provided to an individual or firm by the banking system, in the form of credit or a loan, a stock exchange provides companies with the facility to raise capital for expansion through selling shares to the investing public.[22]
Capital intensive companies, particularly high tech companies, typically need to raise high volumes of capital in their early stages. For this reason, the public market provided by the stock exchanges has been one of the most important funding sources for many capital intensive startups. In the 1990s and early 2000s, hi-tech listed companies experienced a boom and bust in the world's major stock exchanges.[23] Since then, it has been much more demanding for the high-tech entrepreneur to take his/her company public, unless either the company is already generating sales and earnings, or the company has demonstrated credibility and potential from successful outcomes: clinical trials, market research, patent registrations, etc. This shift in market expectations has led to an increased reliance on private equity and venture capital funding in the early stages of high-tech companies.[24] This is quite different from the situation of the 1990s to early-2000s period, when a number of companies (particularly Internet boom and biotechnology companies) went public in the most prominent stock exchanges around the world in the total absence of sales, earnings, or any type of well-documented promising outcome. Though it is not as common, it still happens that highly speculative and financially unpredictable hi-tech startups are listed for the first time in a major stock exchange. Additionally, there are smaller, specialized entry markets for these kind of companies with stock indexes tracking their performance (examples include the Alternext, CAC Small, SDAX, TecDAX).
Alternatives to stock exchanges for raising capital
[edit]Alternative investment funds refer to funds that include hedge funds, venture capital, private equity, angel funds, real estate, commodities, collectibles, structured products, etc. Alternative investment funds are an alternative to traditional investment options (stocks, bonds, and cash).
Research and Development limited partnerships
[edit]Companies have also raised significant amounts of capital through R&D limited partnerships. Tax law changes that were enacted in 1987 in the United States changed the tax deductibility of investments in R&D limited partnerships.[25] In order for a partnership to be of interest to investors today, the cash on cash return must be high enough to entice investors.
Venture capital
[edit]A general source of capital for startup companies has been venture capital. This source remains largely available today, but the maximum statistical amount that the venture company firms in aggregate will invest in any one company is not limitless (it was approximately $15 million in 2001 for a biotechnology company).[26]
Corporate partners
[edit]Another alternative source of cash for a private company is a corporate partner, usually an established multinational company, which provides capital for the smaller company in return for marketing rights, patent rights, or equity. Corporate partnerships have been used successfully in a large number of cases.
Mobilizing savings for investment
[edit]When people draw their savings and invest in shares (through an initial public offering or the seasoned equity offering of an already listed company), it usually leads to rational allocation of resources because funds, which could have been consumed, or kept in idle deposits with banks, are mobilized and redirected to help companies' management boards finance their organizations. This may promote business activity with benefits for several economic sectors such as agriculture, commerce and industry, resulting in stronger economic growth and higher productivity levels of firms.
Facilitating acquisitions
[edit]Companies view acquisitions as an opportunity to expand product lines, increase distribution channels, hedge against volatility, increase their market share, or acquire other necessary business assets. A takeover bid or mergers and acquisitions through the stock market is one of the simplest and most common ways for a company to grow by acquisition or fusion.
Facilitating company growth
[edit]By going public and listing on a stock exchange, companies gain access to a broader pool of investors, which can provide the necessary funds for expansion, research and development, and other growth initiatives. Additionally, being listed on a stock exchange enhances a company's visibility and credibility, making it more attractive to potential partners, customers, and employees. According to a report by the World Federation of Exchanges (WFE), stock exchanges contribute to economic growth by enabling companies to access long-term capital, thereby fostering innovation and job creation.[27]
Redistribution of wealth
[edit]While stock exchanges are not designed to be platforms for the redistribution of wealth,[28] they play a significant role in allowing both casual and professional stock investors to partake in the wealth generated by profitable businesses. This is achieved through the distribution of dividends and the potential for stock price increases leading to capital gains. As a result, individuals who invest in stocks have the opportunity to share in the prosperity of successful companies,[29] effectively participating in a form of wealth redistribution through their investment activities. Thus, while not the primary purpose of stock exchanges, the opportunity for individuals to benefit from the success of businesses can be seen as a form of wealth redistribution within the financial markets.
Profit sharing
[edit]Both casual and professional stock investors, as large as institutional investors or as small as an ordinary middle-class family, through dividends and stock price increases that may result in capital gains, share in the wealth of profitable businesses. Unprofitable and troubled businesses may result in capital losses for shareholders.
Corporate governance
[edit]By having a wide and varied scope of owners, companies generally tend to improve management standards and efficiency to satisfy the demands of these shareholders and the more stringent rules for public corporations imposed by public stock exchanges and the government. This improvement can be attributed in some cases to the price mechanism exerted through shares of stock, wherein the price of the stock falls when management is considered poor (making the firm vulnerable to a takeover by new management) or rises when management is doing well (making the firm less vulnerable to a takeover). In addition, publicly listed shares are subject to greater transparency so that investors can make informed decisions about a purchase. Consequently, it is alleged that public companies (companies that are owned by shareholders who are members of the general public and trade shares on public exchanges) tend to have better management records than privately held companies (those companies where shares are not publicly traded, often owned by the company founders, their families and heirs, or otherwise by a small group of investors).[30]
Despite this claim, some well-documented cases are known where it is alleged that there has been considerable slippage in corporate governance on the part of some public companies, particularly in the cases of accounting scandals. The policies that led to the dot-com bubble in the late 1990s and the subprime mortgage crisis in 2007–08 are also examples of alleged corporate mismanagement. The alleged mismanagement of companies such as Pets.com (2000), Enron (2001), One.Tel (2001), Sunbeam Products (2001), Webvan (2001), Adelphia Communications Corporation (2002), MCI WorldCom (2002), Parmalat (2003), American International Group (2008), Bear Stearns (2008), Lehman Brothers (2008), General Motors (2009) and Satyam Computer Services (2009) all received plenty of media attention.
Many banks and companies worldwide utilize securities identification numbers (ISIN) to identify, uniquely, their stocks, bonds and other securities. Adding an ISIN code helps to distinctly identify securities and the ISIN system is used worldwide by funds, companies, and governments.
However, when poor financial, ethical or managerial records become public, stock investors tend to lose money as the stock and the company tend to lose value. In the stock exchanges, shareholders of underperforming firms are often penalized by significant share price decline, and they tend as well to dismiss incompetent management teams.
Creating investment opportunities for small investors
[edit]As opposed to other businesses that require huge capital outlay, investing in shares is open to both the large and small stock investors as minimum investment amounts are minimal. Therefore, the stock exchange provides the opportunity for small investors to own shares of the same companies as large investors.
As opposed to other businesses that require huge capital outlay, investing in shares is open to both the large and small stock investors as minimum investment amounts are minimal. Therefore, the stock exchange provides the opportunity for small investors to own shares of the same companies as large investors.
Government capital-raising for development projects
[edit]Governments at various levels may decide to borrow money to finance infrastructure projects such as sewage and water treatment works or housing estates by selling another category of securities known as bonds. These bonds can be raised through the stock exchange whereby members of the public buy them, thus loaning money to the government. The issuance of such bonds can obviate, in the short term, direct taxation of citizens to finance development—though by securing such bonds with the full faith and credit of the government instead of with collateral, the government must eventually tax citizens or otherwise raise additional funds to make any regular coupon payments and refund the principal when the bonds mature.
Barometer of the economy
[edit]At the stock exchange, share prices rise and decreases depending, largely, on economic forces. Share prices tend to rise or remain stable when companies and the economy in general show signs of stability and growth. A recession, depression, or financial crisis could eventually lead to a stock market crash. Therefore, the movement of share prices and in general of the stock indexes can be an indicator of the general trend in the economy.
Employment opportunities
[edit]Stock exchanges offer employment opportunities to various individuals such as jobbers and other members who perform activities within the stock exchange. This makes the stock exchange a source of employment, not only for investors but also for the members and their employees. The diverse range of roles within the stock exchange, including trading, analysis, compliance, and administrative functions, creates an ecosystem of employment opportunities that support the operations and functions of the exchange. Additionally, the stock exchange's role in facilitating capital formation and investment in businesses also indirectly contributes to job creation and economic growth, making it a significant player in the employment landscape.[31]
Regulation of companies
[edit]The stock exchange plays a role in regulating companies by exerting a significant influence on their management practices.[32][27] To be listed on a stock exchange, a company is required to adhere to a set of rules and regulations established by the exchange itself. These regulations serve as a framework for corporate governance, financial transparency, and accountability, thereby ensuring that listed companies operate in a manner that is conducive to investor confidence and market stability. By imposing these standards, stock exchanges contribute to the overall integrity and reliability of the financial markets, fostering an environment where companies are held accountable for their actions and decisions, ultimately benefiting both investors and the broader economy.
Listing requirements
[edit]Each stock exchange imposes its own listing requirements upon companies that want to be listed on that exchange. Such conditions may include minimum number of shares outstanding, minimum market capitalization, and minimum annual income.
Examples of listing requirements
[edit]The listing requirements imposed by some stock exchanges include:
- New York Stock Exchange: the New York Stock Exchange (NYSE) requires a company to have issued at least 1.1 million shares of stock worth $40 million and must have earned more than $10 million over the last three years.[33]
- NASDAQ Stock Exchange: NASDAQ requires a company to have issued at least 1.25 million shares of stock worth at least $70 million and must have earned more than $11 million over the last three years.[34]
- London Stock Exchange: the main market of the London Stock Exchange requires a minimum market capitalization (£700,000), three years of audited financial statements, minimum public float (25%) and sufficient working capital for at least 12 months from the date of listing.
- Bombay Stock Exchange: Bombay Stock Exchange (BSE) requires a minimum market capitalization of ₹250 million (US$3.0 million) and minimum public float equivalent to ₹100 million (US$1.2 million).[35]
- The Shanghai Stock Exchange (SSE): To be eligible for an initial public offering (IPO) on the Shanghai Stock Exchange SSE, a company must meet certain criteria such as minimum market capitalization, a minimum net profit, and a minimum number of shareholders. Also, the company’s total share capital must not be less than RMB 30 million. Companies must also submit financial reports and undergo a review by the CSRC.[36]
- Australian Securities Exchange in Sydney: Australia Securities Exchange in Sydney requires a company to meet the Profit Test by demonstrating either of the following: A$1 million aggregated profit from continuing operations over the past 3 years or A$500,000 consolidated profit from continuing operations over the last 12 months. Alternatively, a company can meet the Assets Test by fulfilling one of the following criteria: A$4 million net tangible assets or A$15 million market capitalization.[37][38]
Ownership
[edit]Stock exchanges originated as mutual organizations, owned by its member stockbrokers. However, the major stock exchanges have demutualized, where the members sell their shares in an initial public offering. In this way the mutual organization becomes a corporation, with shares that are listed on a stock exchange. Examples are Australian Securities Exchange (1998), Euronext (merged with New York Stock Exchange), NASDAQ (2002), Bursa Malaysia (2004), the New York Stock Exchange (2005), Bolsas y Mercados Españoles, and the São Paulo Stock Exchange (2007).
The Shenzhen Stock Exchange and Shanghai Stock Exchange can be characterized as quasi-state institutions insofar as they were created by government bodies in China and their leading personnel are directly appointed by the China Securities Regulatory Commission.
Another example is Tashkent Stock Exchange established in 1994, three years after the collapse of the Soviet Union, mainly state-owned but has a form of a public corporation (joint-stock company). Korea Exchange (KRX) owns 25% less one share of the Tashkent Stock Exchange.[39]
In 2018, there were 15 licensed stock exchanges in the United States, of which 13 actively traded securities. All of these exchanges were owned by three publicly traded multinational companies, Intercontinental Exchange, Nasdaq, Inc., and Cboe Global Markets, except one, IEX.[40][41] In 2019, a group of financial corporations announced plans to open a members owned exchange, MEMX, an ownership structure similar to the mutual organizations of earlier exchanges.[42][40]
Stock market capitalization ranking
[edit]Top ten traditional stock exchanges by total market capitalization (as of November 2025)
| Rank | Stock exchange | Country | Market capitalization
(in trillion dollars) |
|---|---|---|---|
| 1 | New York Stock Exchange | United States | 30.92 |
| 2 | Nasdaq | United States | 31.96 |
| 3 | Shanghai Stock Exchange | China | 7.96 |
| 4 | Tokyo Stock Exchange | Japan | 7.06 |
| 5 | Hong Kong Stock Exchange | Hong Kong | 6.41 |
| 6 | Euronext | France | 5.61 |
| 7 | Bombay Stock Exchange | India | 5.38 |
| 8 | National Stock Exchange | India | 5.35 |
| 9 | Shenzhen Stock Exchange | China | 5.11 |
| 10 | Toronto Stock Exchange | Canada | 4.00 |
Other types of exchanges
[edit]In the 19th century, exchanges were opened to trade forward contracts on commodities. Exchange traded forward contracts are called futures contracts. These commodity markets later started offering future contracts on other products, such as interest rates and shares, as well as options contracts. They are now generally known as futures exchanges.
See also
[edit]- Auction
- Asset allocation
- Capital market
- Commodities exchange
- Corporate governance
- Diversification (finance)
- Federation of Euro-Asian Stock Exchanges
- Financial regulation
- Financial risk management
- Histoire des bourses de valeurs (French)
- International Organization of Securities Commissions
- Securities market participants (United States)
- Stag profit
- Stock market crash
- Stock market bubble
- Stock market data systems
- Standard deviation
- Risk management
- World Federation of Exchanges
Lists:
- List of stock exchanges
- List of European stock exchanges
- List of stock exchanges in the Americas
- List of African stock exchanges
- List of stock exchanges in Western Asia
- List of South Asian stock exchanges
- List of East Asian stock exchanges
- List of Southeast Asian stock exchanges
- List of stock exchanges in Oceania
- List of countries without a stock exchange
- List of stock market indices
- List of stock market crashes and bear markets
- List of Swiss financial market legislation
References
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- ^ Lemke and Lins, Soft Dollars and Other Trading Activities, §2:3 (Thomson West, 2013-2014 ed.).
- ^ Lemke and Lins, Soft Dollars and Other Trading Activities, §§2:25 - 2:30 (Thomson West, 2013-2014 ed.).
- ^ The Venetian Money Market: Banks, Panics, and the Public Debt, 1200-1500. Johns Hopkins University Press. 2019. ISBN 9781421431444. Archived from the original on 20 November 2022. Retrieved 20 November 2022.
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- ^ Braudel, Fernand (1983). Wheels of Commerce: Civilization & Capitalism 15th-18th Century. New York: Harper & Row. ISBN 0060150912.
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- ^ a b Poitras, Geoffrey; Geranio, Manuela (1 July 2016). "Trading of shares in the Societates Publicanorum?". Explorations in Economic History. 61: 95–118. doi:10.1016/j.eeh.2016.01.003. ISSN 0014-4983.
- ^ Stringham, Edward Peter; Curott, Nicholas A.: On the Origins of Stock Markets [Part IV: Institutions and Organizations; Chapter 14], pp. 324–344, in The Oxford Handbook of Austrian Economics, edited by Peter J. Boettke and Christopher J. Coyne. (Oxford University Press, 2015, ISBN 978-0199811762). Edward P. Stringham & Nicholas A. Curott: "Business ventures with multiple shareholders became popular with commenda contracts in medieval Italy (Greif, 2006, p. 286), and Malmendier (2009) provides evidence that shareholder companies date back to ancient Rome. Yet the title of the world's first stock market deservedly goes to that of seventeenth-century Amsterdam, where an active secondary market in company shares emerged. The two major companies were the Dutch East India Company and the Dutch West India Company, founded in 1602 and 1621. Other companies existed, but they were not as large and constituted a small portion of the stock market (Israel [1989] 1991, 109–112; Dehing and 't Hart 1997, 54; dela Vega [1688] 1996, 173)."
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- ^ a b "The Role of Stock Exchanges in Fostering Economic Growth and Sustainable Development". World Federation of Exchanges. September 2017.
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- ^ Ramsay, John (23 May 2018). "Competition among exchanges has reached a new low, and it's dangerous for the stock market". Business Insider. Archived from the original on 9 January 2019. Retrieved 8 January 2019. (for recent history see also, "NYSE, Nasdaq and...? Get to Know the U.S.'s Stock Exchanges, Part 1". Financial Industry Regulatory Authority. 17 August 2016. Archived from the original on 7 May 2019. Retrieved 8 January 2019., and "Get to Know the U.S.'s Major Stock Exchanges, Part 2". Financial Industry Regulatory Authority. 17 August 2016. Archived from the original on 7 May 2019. Retrieved 8 January 2019.
- ^ Osipovich, Alexander (7 January 2019). "Wall Street Firms Plan New Exchange to Challenge NYSE, Nasdaq". The Wall Street Journal. Archived from the original on 9 January 2019. Retrieved 8 January 2019.
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Stock exchange
View on GrokipediaHistory
Early Origins and European Foundations
The roots of organized securities trading trace to medieval Europe, where merchants in cities like Bruges and Venice engaged in informal exchanges of bills of exchange and government debt as early as the 13th and 14th centuries, laying groundwork for formalized markets.[6] However, the first purpose-built stock exchange emerged in Antwerp in 1531 with the construction of the Handelsbeurs by architect Domien de Waghemakere, initially serving as a commodity exchange but soon facilitating trades in promissory notes and bonds.[12] This venue, replacing an overcrowded prior site, centralized trading activities amid Antwerp's rise as a commercial hub after surpassing Bruges, handling volumes that included up to 100,000 pounds of transactions daily by the mid-16th century.[13] A transformative advancement occurred in Amsterdam in 1602, when the Dutch East India Company (VOC), granted a monopoly by the States General, issued the world's first publicly traded shares via an initial public offering to finance expeditions, raising approximately 6.4 million guilders from over 1,100 investors.[14] Trading of these transferable shares began informally on bridges and in chapels before coalescing into the Amsterdam Stock Exchange, which introduced continuous trading and secondary markets for share resale, distinct from earlier bond-focused venues.[15] The VOC's structure, limiting investor liability to their stake, spurred joint-stock company formation across Europe, with the exchange handling VOC shares that fluctuated based on dividends and news from Asia, reaching peak capitalizations equivalent to billions in modern terms by the 1630s.[16] By the late 17th century, these innovations spread to other European centers, including London, where stockjobbers traded government annuities and East India Company shares in coffee houses like Jonathan's and Garraway's starting around 1698, formalizing into the London Stock Exchange with printed share prices and dealer networks.[17] Paris established its exchange in 1724 under John Law's Mississippi Company scheme, though it faced early collapse, while Hamburg and other Hanseatic ports developed similar institutions trading in shipping and colonial ventures.[6] These foundations emphasized liquidity through secondary trading, enabling capital accumulation for long-distance trade and state finance, though prone to speculative bubbles, as evidenced by Amsterdam's Tulip Mania in 1637 involving VOC-linked contracts.[18]Emergence in the Americas and 19th-Century Expansion
The Philadelphia Stock Exchange, the first organized stock exchange in the United States, was established in 1790 as the Board of Brokers of Philadelphia to facilitate trading in government securities and bank stocks amid post-Revolutionary War financial needs.[19][20] Trading initially occurred informally at sites like the London Coffee House, with rules emphasizing auction-based sales and membership restrictions to ensure orderly transactions.[19] Two years later, on May 17, 1792, 24 brokers and merchants in New York City signed the Buttonwood Agreement under a buttonwood tree at 68 Wall Street, committing to trade securities only among themselves at a fixed 0.25% commission and to prioritize each other's bids over public auctions.[4][21] This pact, prompted by speculative frenzy in Bank of the United States shares and the need for stability after early panics, laid the groundwork for the New York Stock Exchange (NYSE), which formalized operations in 1817 as the New York Stock & Exchange Board with printed rulebooks and a rented space at the Tontine Coffee House.[4] Throughout the 19th century, stock exchanges expanded rapidly in the Americas, driven by industrialization, railroad construction, and canal projects that required massive capital mobilization beyond bank lending capacities. The NYSE grew dominant, listing over 100 companies by 1840 and funding infrastructure like the Erie Canal (completed 1825) and transcontinental railroads, with trading volume surging from sporadic outdoor auctions to daily sessions in a dedicated hall by 1865.[22] Auxiliary markets emerged, such as the New York Curb Market (precursor to the American Stock Exchange) in the 1840s for unlisted securities traded outdoors on street curbs.[23] In Canada, the Montreal Stock Exchange formed in 1874, initially trading mining and railroad shares amid resource booms.[6] In Latin America, formal stock exchanges appeared later, with the Buenos Aires Bolsa de Comercio established in 1854 to support Argentine exports and infrastructure amid European immigration and land speculation, though trading remained limited until railroad expansions in the 1880s.[6] Similar institutions followed in Rio de Janeiro (1882) and Mexico City (1894), often modeled on European exchanges to channel foreign investment into commodities like coffee, silver, and beef, but hampered by political instability and underdeveloped legal frameworks for corporate governance.[6] Globally, 19th-century expansion paralleled these developments, with over 50 new exchanges founded amid the Industrial Revolution's demand for equity financing; the London Stock Exchange listed foreign bonds for American railroads by the 1830s, while continental Europe saw Paris and Berlin bourse volumes multiply through joint-stock companies in textiles and heavy industry.[6] This era's proliferation reflected causal links between exchange liquidity and economic scaling, as verifiable in rising listings correlated with GDP growth rates exceeding 2-3% annually in leading economies.[24]20th-Century Crises and Institutionalization
The Wall Street Crash of 1929, precipitated by excessive speculation, margin trading, and overvaluation in the U.S. stock market, culminated in Black Thursday on October 24 and Black Tuesday on October 29, when the Dow Jones Industrial Average plummeted 12.8% in a single day. This event triggered a broader market decline, with the Dow falling approximately 89% from its September 1929 peak to its July 1932 low, exacerbating the Great Depression through widespread bank failures and economic contraction.[25] In response, congressional investigations, including the Pecora Commission, exposed manipulative practices such as insider trading and pooling, leading to landmark legislation.[26] The Securities Act of 1933 mandated full disclosure and registration of securities offerings with the federal government to protect investors from fraudulent promotions, marking a shift toward formalized oversight of public offerings. Complementing this, the Glass-Steagall Act of 1933 separated commercial banking from investment banking to curb conflicts of interest and speculative lending that had amplified the crash, while establishing the Federal Deposit Insurance Corporation to insure deposits and restore public confidence.[27] The Securities Exchange Act of 1934 created the U.S. Securities and Exchange Commission (SEC) as an independent agency to regulate exchanges, enforce antifraud provisions, and supervise trading practices, institutionalizing stock markets as entities subject to continuous federal scrutiny rather than informal broker associations.[28] Later in the century, the Black Monday crash of October 19, 1987, saw the Dow Jones Industrial Average drop 22.6%—the largest single-day percentage decline in history—driven by program trading, portfolio insurance strategies, and interconnected global markets amid rising interest rates.[29] The Federal Reserve responded immediately by injecting liquidity and lowering the federal funds rate, averting a credit crunch, while the Brady Commission report highlighted systemic vulnerabilities like inadequate coordination between exchanges.[30] These findings prompted regulatory enhancements, including the introduction of circuit breakers in 1988 to halt trading during extreme volatility, standardized trade-clearing protocols across markets, and improved intermarket surveillance to mitigate cascading sell-offs.[29] Such crises accelerated the institutionalization of stock exchanges worldwide, transitioning them from member-owned clubs to regulated platforms with mandatory transparency, listing standards, and risk controls. In the U.S., the NYSE formalized its governance under SEC rules, adopting electronic systems and demutualizing in preparation for broader accountability, while international exchanges like the London Stock Exchange implemented similar disclosure regimes post-1929 equivalents.[4] This era embedded causal safeguards against speculative excesses, prioritizing empirical stability over unchecked growth, though debates persist on whether regulations fully addressed root incentives for leverage.[31]Post-2000 Globalization and Technological Shifts
In the early 2000s, stock exchanges intensified globalization strategies through mergers and expansion into emerging markets to access growing capital flows and diverse listings. The NASDAQ OMX merger, completed on February 27, 2008, combined the NASDAQ Stock Market with Scandinavian and Baltic exchanges under OMX AB, creating the largest exchange company by geographic reach at the time and facilitating cross-border trading operations.[32] Similarly, the NYSE-Euronext combination in 2007 linked major U.S. and European venues, enabling unified cash equities, derivatives, and fixed-income products across continents.[33] These consolidations responded to competitive pressures from rising international listings, with emerging Asian exchanges like the Shanghai Stock Exchange seeing market capitalization surge to $5.26 trillion by June 2020, driven by China's economic liberalization post-WTO accession in 2001.[34] Demutualization, converting member-owned exchanges to shareholder corporations, accelerated post-2000, providing capital for global expansion and technology upgrades. By 2005, 80% of the top 10 global exchanges by market capitalization had demutualized, allowing public listings and profit-oriented strategies that prioritized efficiency over traditional broker interests.[35] This shift, exemplified by the NYSE's 2006 public listing, enabled investments in infrastructure amid intensifying competition.[36] Technological advancements transformed trading from floor-based open outcry to predominantly electronic systems, boosting speed and volume. The NYSE adopted a hybrid model in 2006, integrating electronic execution with floor trading, which evolved toward full automation as electronic orders dominated.[4] Algorithmic trading proliferated, accounting for 60-73% of U.S. equity volume by 2009, with high-frequency trading (HFT) leveraging co-location and low-latency networks for sub-second executions.[37] Global trading volumes reflected this efficiency, rising from $24.4 trillion in 2000 to $124 trillion in 2019 per World Bank data, though HFT's role drew scrutiny after the May 6, 2010 Flash Crash, where automated interactions erased $1 trillion in market value intraday before partial recovery.[38] These shifts enhanced liquidity and price discovery but introduced risks of systemic fragility from interconnected algorithms.[39]Core Functions
Raising Capital for Productive Investment
Stock exchanges enable corporations to raise equity capital by issuing shares to a broad base of investors, channeling savings into productive uses such as machinery acquisition, research and development, and operational expansion, thereby supporting long-term economic productivity without the fixed repayment obligations of debt financing.[40] This process begins with initial public offerings (IPOs), where private firms list securities on an exchange, selling newly created shares to the public to generate funds directly allocable to investment projects.[41] Follow-on offerings allow established public companies to issue additional equity, further mobilizing capital for growth initiatives like plant construction or market entry.[42] Empirical studies indicate that stock exchanges enhance capital formation by improving resource allocation efficiency, with evidence from cross-country analyses showing that market development correlates with higher physical capital accumulation and faster GDP growth through increased investment rates.[43] For instance, research on countries establishing exchanges demonstrates a subsequent rise in output growth primarily driven by productivity gains, as firms deploy raised funds to scale operations and innovate, rather than mere financial intermediation.[44] In high-income economies, mature exchanges facilitate this by matching investor capital with high-return projects, evidenced by panel data from 37 nations linking stock market liquidity and size to sustained economic expansion via efficient savings mobilization. Notable examples underscore this function: Saudi Aramco's 2019 IPO on the Tadawul exchange raised $25.6 billion, which the company allocated toward upstream exploration and refining capacity expansions to boost oil production efficiency.[45] Similarly, China Mobile's 1997 IPO generated $4 billion, funding network infrastructure investments that expanded telecommunications coverage and supported industrial productivity in China.[46] These cases illustrate how exchange listings provide access to vast investor pools, enabling firms to fund tangible assets that generate returns exceeding alternative financing costs, though outcomes depend on managerial discipline in deploying proceeds toward verifiable productive ends rather than speculative or inefficient uses.[47] U.S. regulatory frameworks, such as those overseen by the Securities and Exchange Commission, explicitly prioritize this capital formation role, balancing investor protections with incentives for listings that direct funds to business expansion.[48]Providing Liquidity and Enabling Price Discovery
Stock exchanges provide liquidity by centralizing the matching of buy and sell orders for listed securities, which reduces search costs and enables rapid trade execution without significant price impact.[49] This function is supported by mechanisms such as electronic limit order books, where participants submit bids and offers that are automatically matched, and designated market makers who commit to quoting prices continuously to bridge supply-demand imbalances.[50] Empirical studies indicate that exchange-traded stocks exhibit narrower bid-ask spreads and higher trading volumes compared to over-the-counter markets, quantifying the liquidity enhancement; for instance, analysis of U.S. equities shows average spreads declining from 0.25% in the 1990s to under 0.05% by 2020 due to exchange infrastructure.[51] Liquidity provision on exchanges also mitigates adverse selection risks, as transparent order flow and regulatory oversight deter informed trading advantages, fostering participation from diverse investors including retail and institutional actors.[49] During normal conditions, this results in depth metrics like order book imbalance resolving quickly, with market makers absorbing temporary shocks; however, in stress events such as the 2008 financial crisis, liquidity can evaporate if providers withdraw, as evidenced by widened spreads exceeding 1% on major indices.[52] Exchanges enable price discovery by aggregating dispersed information through competitive bidding, where transaction prices reveal consensus valuations derived from supply and demand dynamics.[53] This process incorporates public and private data into equilibrium prices via high-frequency order interactions, with measures like the information share (IS) metric showing exchanges contribute over 80% to intraday price adjustments in liquid stocks.[54] For example, in the Taiwan Stock Exchange, institutional trades dominate price discovery contributions, accounting for up to 60% of IS during volatile periods, underscoring the role of informed liquidity in efficient revelation.[55] While fragmentation across venues can dilute discovery, centralized exchanges historically outperform in impounding news, as seen in faster post-earnings price reactions on primary listings.[56]Facilitating Risk Transfer and Wealth Accumulation
Stock exchanges enable the efficient transfer of business and operational risks from issuing firms to investors by allowing companies to issue equity securities that represent fractional ownership claims, thereby distributing the uncertainty of future cash flows across a diverse pool of market participants. This mechanism reduces the cost of capital for firms, as investors assume risks in exchange for potential returns, while exchanges provide the liquidity necessary for such transfers through continuous trading and secondary markets.[57] In financial theory, equity markets facilitate optimal risk sharing by enabling investors to diversify portfolios, aligning risk-bearing with individual tolerances and thereby improving overall resource allocation compared to concentrated ownership structures.[58] This risk transfer supports wealth accumulation by channeling household savings into productive assets with historically superior long-term returns; for instance, the S&P 500 index has delivered an average annual return of 10.54% since 1957, outpacing inflation and fixed-income alternatives when held over extended periods.[59] Empirical studies indicate that greater stock market participation correlates with enhanced household wealth, as diversified equity exposure allows for compounding growth through reinvested dividends and capital appreciation, with U.S. public stock markets generating net wealth creation exceeding $34 trillion from 1926 to 2019.[60] Exchanges amplify this by ensuring price discovery and liquidity, which encourage long-term holding and reduce transaction frictions that might otherwise deter savers from equity investments.[61] However, realization of these benefits depends on sustained market access and investor discipline, as short-term volatility can erode gains for undiversified or speculative participants.[62]Economic Impacts
Empirical Evidence of Growth Enhancement
Empirical analyses across diverse economies demonstrate a positive association between stock market development and long-term economic growth, with liquidity emerging as a particularly robust predictor. In a seminal cross-country study of 42 nations from 1976 to 1993, Levine and Zervos found that stock market liquidity—proxied by the ratio of total shares traded to market capitalization—exhibits a statistically significant positive correlation with real per capita GDP growth rates, both contemporaneously and predictively over subsequent decades, after controlling for initial income, schooling, inflation, black market premium, and banking sector development.[63] This liquidity effect persists even when excluding outliers and alternative measures, suggesting that active trading facilitates efficient resource allocation by lowering information costs and enabling better capital channeling to productive investments.[64] Panel data extensions and instrumental variable approaches reinforce causality, indicating that improvements in stock market infrastructure and liberalization enhance growth beyond mere correlation. For instance, equity market liberalizations in emerging economies, which deepen stock market participation, have been linked to average annual GDP growth increases of 1-2 percentage points in the years following implementation, alongside rises in private investment and productivity, as evidenced in event studies of 20 countries from 1980 onward.[43] Similarly, time-series analyses in low- and middle-income countries, such as those employing autoregressive distributed lag models on Nepalese data from 1985 to 2019, confirm a long-run bidirectional causality where stock market indicators like turnover and capitalization-to-GDP ratios Granger-cause higher growth, with coefficients implying that a 1% increase in market liquidity boosts GDP growth by 0.15-0.3%.[65] Cross-sectional evidence from World Bank datasets further highlights that economies with higher stock market capitalization relative to GDP—averaging 50-100% in advanced markets versus under 30% in less developed ones—sustain superior growth trajectories, particularly when paired with strong legal institutions enforcing investor rights.[66] In high-income countries, this ratio correlates positively with per capita income growth at rates exceeding 0.5% per 10% increment in market depth, underscoring complementary roles with banking in mobilizing savings for innovation-driven expansion.[67] These patterns hold in robustness checks across 100+ countries, though effects are attenuated in institutionally weak settings where governance failures can amplify misallocation risks.[68]Criticisms Including Volatility and Misallocation Risks
Critics argue that stock exchanges amplify economic volatility through rapid price swings driven by investor sentiment, leverage, and interconnected trading, potentially transmitting shocks across sectors and borders. Empirical studies document significant spillover effects in stock return volatility among national markets, exacerbating global instability during crises.[69] For instance, irrational investor sentiment has been shown to generate excess volatility beyond fundamentals, as evidenced in analyses of major indices where sentiment-driven jumps accounted for asymmetric impacts on returns.[70] Historical events underscore this risk: the Dow Jones Industrial Average fell 22.6% on October 19, 1987, in the largest one-day percentage decline, triggered by program trading and portfolio insurance failures, though it did not immediately cause recession but highlighted systemic fragility.[71] Similarly, the 2008 financial crisis saw the S&P 500 drop over 50% from peak to trough, correlating with a 4.3% U.S. GDP contraction in Q4 2008, as leveraged bets on housing derivatives propagated losses via exchange-traded instruments. Volatility's economic toll includes wealth destruction and reduced confidence, prompting contractions in investment and consumption; research links higher stock volatility to elevated macroeconomic uncertainty, with G7 economies showing particular sensitivity to external shocks like oil price fluctuations.[72] In emerging markets, such as Pakistan, econometric models reveal bidirectional causality between stock and macroeconomic volatility, where exchange-traded asset swings hinder stable growth planning.[73] Critics, including those invoking Hyman Minsky's financial instability hypothesis, contend that exchanges foster Ponzi-like financing where asset prices detach from cash flows, culminating in deleveraging cascades that deepen recessions beyond underlying causes.[74] Regarding misallocation risks, stock exchanges incentivize short-termism among listed firms, as managers prioritize quarterly earnings to boost share prices, often at the expense of long-term productive investments like R&D. Macro models estimate this distortion slows annual growth by approximately 5 basis points and reduces social welfare by 1%, primarily through heightened R&D volatility and underinvestment in intangible capital.[75] Empirical evidence from U.S. firms indicates public companies cut R&D spending relative to private peers under market pressure, with short-termist investor horizons correlating to inefficient capital deployment away from high-return projects.[76] For example, during the 1990s dot-com bubble, exchanges channeled billions into unprofitable internet ventures via IPOs, leading to a NASDAQ peak-to-trough decline of 78% by 2002 and subsequent reallocations that favored speculation over fundamentals, as measured by elevated Tobin's Q ratios detached from earnings.[77] Financial frictions in exchange ecosystems exacerbate misallocation by dispersing marginal products of capital (MPK), where systematic risks from trading concentrate resources in low-productivity "superstar" firms, impeding broader efficiency.[78] Cross-country studies quantify TFP losses from such distortions at 10-30% in financially developed economies, with stock market liquidity sometimes channeling funds globally to inefficient recipients rather than domestic high-potential sectors.[79][80] While proponents counter that markets ultimately correct via price signals, critics highlight persistent inefficiencies, such as reduced risk-sharing that lowers aggregate investment in risky but productive assets.[81] This risk is compounded in concentrated markets, where a few dominant stocks drive indices, skewing capital toward incumbents and stifling innovation elsewhere.[82]Operational Mechanisms
Listing Standards and Issuer Obligations
Listing standards refer to the criteria established by stock exchanges, subject to oversight by regulatory bodies such as the U.S. Securities and Exchange Commission (SEC), that issuers must satisfy to have their securities admitted for trading. These standards ensure a baseline of financial viability, liquidity, and corporate governance to protect investors and maintain market integrity. Quantitative thresholds typically include minimum requirements for earnings, revenue, market capitalization, public float (number of shares available to the public), and shareholder distribution, while qualitative standards encompass audit requirements, board independence, and codes of conduct. For instance, exchanges like the New York Stock Exchange (NYSE) and Nasdaq maintain tiered standards tailored to different company sizes and stages.[83][84] On the NYSE, domestic issuers seeking initial listing of equity securities must demonstrate at least 1.1 million publicly held shares, 400 round-lot holders (shareholders of 100 shares or more), and a minimum market value of publicly held shares of $40 million, alongside meeting one of several earnings or revenue tests—such as aggregate pre-tax income of $10 million over the last three fiscal years with $2 million in each of the two most recent years. Nasdaq's Global Select Market, its highest tier, requires higher thresholds, including $50 million in market value of publicly held shares, $750,000 aggregate pre-tax income over three years, or $50 million in revenue with $15 million market value for equity-based standards. These requirements are designed to filter out undercapitalized or speculative entities, though critics argue they can exclude emerging firms with high growth potential but irregular profitability.[85][84][86] Issuer obligations commence upon listing and persist to ensure ongoing transparency and accountability. Continued listing standards mandate maintenance of minimum share prices (e.g., $1 bid price on Nasdaq), public float levels (e.g., 500,000 shares on Nasdaq Capital Market), and market value thresholds, with non-compliance triggering cure periods—typically 180 days—before potential delisting proceedings. Governance obligations include majority independent boards, fully independent audit, compensation, and nominating committees, and annual affirmations of compliance via CEO/CFO certifications. Foreign private issuers face adjusted rules, such as using Form 20-F for annual reports instead of 10-K, but must still disclose material information promptly.[87][88][89] Periodic reporting forms the core of disclosure obligations under SEC rules, requiring U.S. domestic issuers to file Form 10-K annually (detailing audited financials, risk factors, and executive compensation as of fiscal year-end), Form 10-Q quarterly (unaudited financials within 40-45 days of quarter-end), and Form 8-K for material events like mergers or earnings releases within four business days. Exchanges supplement these with rules mandating immediate public dissemination of information reasonably expected to materially impact share prices, such as executive changes or litigation outcomes, to prevent insider trading advantages. Failure to comply can result in fines, trading halts, or delisting, as evidenced by over 200 NYSE issuers flagged for non-compliance in regulatory reports as of 2023. These mechanisms aim to mitigate information asymmetry but impose significant compliance costs, estimated at millions annually for mid-cap firms.[90][91][90]| Exchange | Minimum Public Float (Shares) | Minimum Earnings Test (Aggregate Pre-Tax Income, 3 Years) | Independent Directors Requirement |
|---|---|---|---|
| NYSE | 1.1 million | $10 million | Majority of board |
| Nasdaq Global Market | 1.25 million | $750,000 | Majority of board |
Trading Processes and Execution Methods
Trading processes in stock exchanges involve investors submitting orders through brokers, who route them to execution venues such as exchanges, electronic communication networks (ECNs), or market makers for matching and fulfillment.[92] Brokers bear a regulatory duty of best execution, requiring them to seek the most advantageous terms reasonably available under the circumstances, considering factors like price, speed, and likelihood of completion.[93] Upon receipt, orders enter electronic matching engines that pair compatible buy and sell instructions based on predefined algorithms, typically prioritizing price and then time of entry.[94] Core execution methods encompass continuous trading during regular hours, where orders execute immediately against available counterparts, and periodic auctions at market open and close to aggregate liquidity for price discovery. In continuous trading, a market order executes at the prevailing best bid or offer price without a specified limit, prioritizing speed over exact price.[95] Limit orders, conversely, specify a maximum purchase price or minimum sale price, executing only if matched within those bounds or better, thus offering price control at the potential cost of non-execution.[96] Stop orders trigger as market orders upon reaching a designated price threshold, commonly used for risk management, though they provide no execution price guarantee once activated.[97] Opening auctions, such as the NYSE's process commencing at 9:30 a.m. ET, collect unmatched orders during a pre-open phase to determine an equilibrium price maximizing traded volume within a reference price tolerance, often algorithmically if within 10% of the prior close.[98] The NASDAQ employs an opening cross mechanism, similarly crossing orders at a single price to establish the day's starting value.[99] Closing auctions mirror this at 4:00 p.m. ET, setting official end-of-day prices by balancing residual supply and demand, which informs benchmarks like mutual fund valuations.[100] Post-execution, confirmed trades proceed to clearing for risk mitigation and settlement, with U.S. equities standardizing to T+1 (next business day) as of May 28, 2024, to reduce counterparty exposure.[101] Electronic exchanges like NASDAQ operate fully automated matching without human intervention, while hybrid models like the NYSE incorporate designated market makers (DMMs) to facilitate liquidity during imbalances or auctions.[102] Advanced order types, such as market-on-close (MOC) orders submitted by 3:50 p.m. ET on NYSE, participate exclusively in closing auctions to align with end-of-day pricing.[103] These mechanisms ensure efficient order fulfillment, though execution quality can vary with market conditions, order size, and venue liquidity.[104]Technological Innovations in Trading
The transition from manual open outcry systems to electronic trading platforms marked a pivotal innovation in stock exchanges, beginning with the launch of the NASDAQ in 1971 as the world's first fully electronic stock market.[105] This system utilized computer networks to match buy and sell orders remotely, eliminating the physical trading floor and enabling near-instantaneous quote dissemination across distant locations.[106] By the 1990s, major exchanges like the New York Stock Exchange (NYSE) began integrating computerized data processing for trade capture and reporting, initially in the 1960s but accelerating with electronic communications networks (ECNs) that allowed off-exchange matching.[4] Algorithmic trading emerged in the 1970s alongside computerized market systems, with the NYSE introducing the Designated Order Turnaround (DOT) system in 1976 to route small orders electronically to specialists for execution.[107] These algorithms automated order routing and execution based on predefined criteria such as price, volume, and timing, reducing human intervention and errors while increasing efficiency.[108] The U.S. Securities and Exchange Commission's (SEC) Regulation NMS in 2005 further propelled algorithmic adoption by mandating best execution practices, leading to fragmented order flow across multiple venues and a surge in automated strategies.[109] High-frequency trading (HFT), a subset of algorithmic trading, gained prominence in the late 1980s and early 1990s with advancements in computing power and low-latency networks, allowing firms to execute thousands of orders per second.[110] HFT firms leverage co-location—placing servers physically near exchange data centers—to minimize latency, often achieving trade speeds in microseconds.[111] Proponents argue HFT enhances liquidity by narrowing bid-ask spreads and providing continuous quoting, with studies showing it accounted for over 50% of U.S. equity trading volume by 2009.[112] However, critics highlight risks such as amplified volatility, exemplified by the May 6, 2010 Flash Crash where the Dow Jones Industrial Average plunged nearly 1,000 points intraday due to HFT interactions with large sell orders.[113] Empirical analyses indicate HFT can exacerbate short-term price dislocations while overall improving market efficiency through tighter spreads.[114][112] Subsequent innovations include dark pools, private trading venues introduced in the early 2000s to execute large block trades anonymously and reduce market impact from public order books.[115] Decimalization in U.S. markets, implemented fully by 2001, shifted pricing from fractions to decimals, spurring finer price increments and higher trading frequencies compatible with algorithmic systems.[116] More recently, machine learning integrations in algorithms analyze vast datasets for predictive patterns, though their dominance remains limited by regulatory scrutiny over opacity and potential biases.[117] These technologies have collectively reduced trading costs—commissions dropped from hundreds of dollars per trade in the 1990s to fractions of a cent today—and boosted global volumes, but they necessitate ongoing regulatory adaptations to mitigate systemic risks.[118][119]Governance and Ownership
Exchange Ownership Structures
Stock exchanges traditionally operated as mutual organizations owned collectively by their members, typically brokers or trading firms who held seats granting access to trading floors and decision-making rights. In this model, exchanges functioned as non-profit associations, with revenues reinvested or distributed among members rather than maximized for external shareholders. This structure, exemplified by the New York Stock Exchange (NYSE) from its founding in 1792 until the early 2000s, prioritized member interests but limited capital access for technological upgrades and global competition.[120] Beginning in the late 1990s, a global wave of demutualization transformed many exchanges into for-profit corporations, converting member ownership into shares distributed to members or sold publicly. Demutualization enabled exchanges to raise external capital for investments in electronic trading systems and mergers, addressing competitive pressures from alternative trading venues and electronic platforms. By 2002, over a dozen major exchanges, including the Australian Securities Exchange in 1998 and the Toronto Stock Exchange in 1999, had demutualized, shifting governance from member votes to shareholder-driven boards. This transition often involved separating ownership from trading access, reducing conflicts where members as owners might resist fee reductions or innovations that erode their privileges.[121][120] Today, the predominant ownership structure among leading exchanges is that of publicly traded companies, where shares are listed on stock markets and held largely by institutional investors seeking returns on operational efficiencies and market data revenues. This for-profit orientation incentivizes cost-cutting, product diversification, and acquisitions, as seen in consolidated groups like Intercontinental Exchange (ICE), which acquired the NYSE in 2013 and operates as a public entity with market capitalization exceeding $100 billion as of 2025. Similarly, Nasdaq, Inc. (NDAQ) is publicly traded with approximately 70% institutional ownership, enabling it to invest in technology while aligning incentives with shareholder value. The London Stock Exchange Group (LSEG), owner of the LSE, follows suit with 74% institutional holdings, facilitating expansions like its 2021 acquisition of Refinitiv for data services.[122][123][124] Private equity or corporate ownership exists in some cases, though less common among top-tier exchanges, while government or quasi-government control persists in certain jurisdictions, particularly where state priorities override profit motives. For instance, the Shanghai Stock Exchange is effectively state-owned, operated under the China Securities Regulatory Commission with ultimate oversight by the central government, reflecting China's emphasis on directing capital flows for national development goals. This structure can ensure stability and policy alignment but may introduce risks of political interference in listings or trading rules. Fewer than 10% of the world's top 20 exchanges by market cap remain fully mutual or government-owned as of 2025, underscoring demutualization's dominance in fostering competitive, investor-backed operations.[125][126]| Exchange | Ownership Type | Primary Owner/Notes | Demutualization Year |
|---|---|---|---|
| New York Stock Exchange (NYSE) | Public corporation (via holding company) | Intercontinental Exchange (ICE), publicly traded | 2006[125] |
| Nasdaq | Public corporation | Nasdaq, Inc. (NDAQ), ~70% institutional | 2002 (initial IPO elements; full corporate form earlier)[122] |
| London Stock Exchange (LSE) | Public corporation | London Stock Exchange Group (LSEG), ~74% institutional | 1986 (initial privatization); full demutualization 2000[124] |
| Shanghai Stock Exchange | Government-controlled | China Securities Regulatory Commission | N/A (state-owned since 1990 establishment)[126] |
Regulatory Frameworks and Oversight
Regulatory frameworks for stock exchanges establish rules to protect investors from fraud, ensure transparent pricing and orderly trading, and promote capital formation while mitigating risks of market manipulation and systemic instability. These frameworks typically mandate issuer disclosures, broker-dealer registration, and surveillance of trading activities to enforce fair practices.[127][128] In the aftermath of events like the 1929 stock market crash, which exposed vulnerabilities in unregulated trading, governments worldwide implemented oversight to address information asymmetries and insider abuses.[129] In the United States, the Securities Exchange Act of 1934 created the Securities and Exchange Commission (SEC) as the primary federal regulator, empowering it to oversee exchanges, register securities for public trading, and prohibit manipulative schemes such as pump-and-dump operations. The SEC requires listed companies to submit quarterly (Form 10-Q) and annual (Form 10-K) reports detailing financials and risks, with violations punishable by fines up to $2.4 million per tier for individuals and higher for entities as of 2023 adjustments. Exchanges like the NYSE operate as self-regulatory organizations under SEC delegation, conducting real-time market surveillance and imposing member fines or suspensions, though ultimate enforcement authority resides with the SEC to prevent conflicts of interest.[130][131] Internationally, the International Organization of Securities Commissions (IOSCO), comprising regulators from over 130 jurisdictions covering 95% of global securities markets, sets non-binding standards through its 38 Principles of Securities Regulation, emphasizing investor protection, fair markets, and systemic risk reduction. These principles guide national adaptations, such as the European Securities and Markets Authority's (ESMA) oversight of EU exchanges for consistent application of MiFID II directives, which impose pre- and post-trade transparency requirements since January 3, 2018. IOSCO facilitates cross-border cooperation via memoranda of understanding, enabling information sharing on investigations, as enhanced in its 2016 Multilateral Memorandum for securities enforcement.[132][128][133] Oversight extends to technological and structural innovations, with regulators mandating circuit breakers—temporary trading halts triggered by price declines of 7%, 13%, or 20% in a day on major U.S. indices since 1988 updates—to curb panic selling, as invoked during the March 2020 market turmoil. Emerging challenges include high-frequency trading scrutiny, where bodies like the SEC have fined firms for practices like "spoofing" (placing non-bona fide orders to mislead markets), with a $1.5 billion penalty against a major bank in 2020. Despite these measures, critics argue that regulatory capture by industry incumbents can dilute enforcement, as evidenced by delayed responses to flash crashes like the May 6, 2010 event, which erased $1 trillion in temporary market value.[134][130]Major Exchanges and Global Landscape
Leading Exchanges by Market Capitalization
The New York Stock Exchange (NYSE) commands the highest market capitalization among global stock exchanges, with listed companies totaling $31.7 trillion as of July 2025.[8] This figure underscores the NYSE's role in trading shares of major multinational corporations, particularly in established industries like finance and manufacturing.[8] The Nasdaq Stock Market, specializing in technology and growth-oriented firms, follows with $29.9 trillion in market capitalization over the same period.[8] Together, these U.S. exchanges represent over half of the world's total equity market value, driven by the scale of American economic output and investor confidence in U.S. regulatory stability.[135]| Rank | Exchange | Market Capitalization (USD trillion) | Listings | Date |
|---|---|---|---|---|
| 1 | New York Stock Exchange | 31.7 | 2,126 | July 2025[8] |
| 2 | Nasdaq Stock Market | 29.9 | 3,285 | July 2025[8] |
| 3 | Shanghai Stock Exchange | 7.3 | 2,284 | July 2025[136] |
| 4 | Japan Exchange Group | 6.9 | 3,958 | July 2025[136] |
| 5 | Euronext | ~7.1 (equivalent to €6.5 trillion) | ~1,800 | Sep 2025[137] |
Comparative Performance and Regional Variations
The New York Stock Exchange (NYSE) and Nasdaq together dominate global stock exchange performance, accounting for over $60 trillion in combined market capitalization as of mid-2025, representing approximately 45% of worldwide equity value.[8] This U.S. concentration stems from deep liquidity, stringent listing standards, and concentration in high-growth sectors like technology, enabling superior long-term returns; for instance, the S&P 500 index, tracking NYSE and Nasdaq-listed firms, has averaged annual returns of about 10% since 1957, adjusted for dividends and inflation. In contrast, the Shanghai Stock Exchange, with $11.5 trillion in national market cap for China, exhibits higher volatility due to state interventions and retail investor dominance, resulting in the Shanghai Composite Index's YTD gain of approximately 32% through October 2025 amid policy stimulus, though historical annualized returns lag at under 5% over the past decade.[135] Regional variations highlight structural differences: North American exchanges benefit from mature regulatory environments and institutional investor prevalence, fostering stability and innovation, with Nasdaq's tech-heavy composition driving a YTD S&P 500 advance of roughly 14% to 6,791 by late October 2025.[139] European exchanges, such as those under Euronext and the London Stock Exchange, show more modest performance, with the FTSE 100 up about 25% YTD to 9,646, constrained by fragmented markets, heavier reliance on cyclical industries like energy and finance, and slower economic growth; aggregate European market cap stands at around $15 trillion, less than half of the U.S. figure.[139][135] Asia-Pacific exchanges display high growth potential but elevated risks, exemplified by Japan's Tokyo Stock Exchange where the Nikkei 225 surged over 26% YTD to 49,300, fueled by corporate reforms and yen depreciation, versus China's state-influenced markets prone to sharp corrections.| Exchange | Approximate Market Cap (USD Trillion, mid-2025) | Key Index YTD Performance (to Oct 2025) | Regional Notes |
|---|---|---|---|
| NYSE (U.S.) | 31.7 | S&P 500: +14% | High liquidity, tech dominance; low relative volatility.[8][139] |
| Nasdaq (U.S.) | 29.9 | Nasdaq Composite: +18% (inferred from S&P trends) | Innovation hub; sensitive to interest rates.[8] |
| Shanghai (China) | ~10 (national) | Shanghai Composite: +32% | Policy-driven volatility; retail-heavy trading.[135][140] |
| Tokyo (Japan) | 5.4 (national) | Nikkei 225: +26% | Export-oriented; currency impacts performance.[135] |
| LSE (U.K.) | ~3 (part of Europe) | FTSE 100: +25% | Cyclical sectors; Brexit-related fragmentation.[139] |