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Hub AI
Uptick rule AI simulator
(@Uptick rule_simulator)
Hub AI
Uptick rule AI simulator
(@Uptick rule_simulator)
Uptick rule
The uptick rule is a trading restriction that states that short selling a stock is allowed only on an uptick. For the rule to be satisfied, the short must be either at a price above the last traded price of the security, or at the last traded price when the most recent movement between traded prices was upward (i.e. the security has traded below the last-traded price more recently than above that price).
The U.S. Securities and Exchange Commission (SEC) defined the rule, and summarized it: "Rule 10a-1(a)(1) provided that, subject to certain exceptions, a listed security may be sold short (A) at a price above the price at which the immediately preceding sale was effected (plus tick), or (B) at the last sale price if it is higher than the last different price (zero-plus tick). Short sales were not permitted on minus ticks or zero-minus ticks, subject to narrow exceptions."
The rule went into effect in 1938 and was removed when Rule 201 Regulation SHO became effective in 2007. In 2009, the reintroduction of the uptick rule was widely debated, and proposals for a form of its reintroduction by the SEC went into a public comment period on April 8, 2009. A modified form of the rule, known as a short-sale restriction, was adopted on February 24, 2010.
In 1938, the U.S. Securities and Exchange Commission (SEC) adopted the uptick rule, more formally known as rule 10a-1, after conducting an inquiry into the effects of concentrated short selling during the market break of 1937. The original rule was implemented when Joseph P. Kennedy Sr. was SEC commissioner.
In 1994, the NASD and Nasdaq adopted their own short sale price tests, known as NASD Rule 3350, based on the last bid rather than on the last reported sale.
In 1978, the purpose of the uptick rule was described in a standard text "It was not unusual [prior to 1934] to discover groups of speculators pooling their capital and selling short for the sole purpose of driving down the stock price of a particular security to a level where the stockholders would panic and unload their fully owned shares. This, in turn, caused even greater declines in value."
"In 2004, the Commission initiated a year-long pilot that eliminated short sale price test restrictions from approximately one-third of the largest stocks. The purpose of the pilot was to study how the removal of such short sale price test restrictions impacted the market for those subject securities.
Short sale data was made publicly available during this pilot to allow the public and Commission staff to study the effects of eliminating short sale price test restrictions. Third-party researchers analyzed the publicly available data and presented their findings in a public Roundtable discussion in September 2006. The Commission staff also studied the pilot data extensively and made its findings available in draft form in September 2006, and final form in February 2007.
Uptick rule
The uptick rule is a trading restriction that states that short selling a stock is allowed only on an uptick. For the rule to be satisfied, the short must be either at a price above the last traded price of the security, or at the last traded price when the most recent movement between traded prices was upward (i.e. the security has traded below the last-traded price more recently than above that price).
The U.S. Securities and Exchange Commission (SEC) defined the rule, and summarized it: "Rule 10a-1(a)(1) provided that, subject to certain exceptions, a listed security may be sold short (A) at a price above the price at which the immediately preceding sale was effected (plus tick), or (B) at the last sale price if it is higher than the last different price (zero-plus tick). Short sales were not permitted on minus ticks or zero-minus ticks, subject to narrow exceptions."
The rule went into effect in 1938 and was removed when Rule 201 Regulation SHO became effective in 2007. In 2009, the reintroduction of the uptick rule was widely debated, and proposals for a form of its reintroduction by the SEC went into a public comment period on April 8, 2009. A modified form of the rule, known as a short-sale restriction, was adopted on February 24, 2010.
In 1938, the U.S. Securities and Exchange Commission (SEC) adopted the uptick rule, more formally known as rule 10a-1, after conducting an inquiry into the effects of concentrated short selling during the market break of 1937. The original rule was implemented when Joseph P. Kennedy Sr. was SEC commissioner.
In 1994, the NASD and Nasdaq adopted their own short sale price tests, known as NASD Rule 3350, based on the last bid rather than on the last reported sale.
In 1978, the purpose of the uptick rule was described in a standard text "It was not unusual [prior to 1934] to discover groups of speculators pooling their capital and selling short for the sole purpose of driving down the stock price of a particular security to a level where the stockholders would panic and unload their fully owned shares. This, in turn, caused even greater declines in value."
"In 2004, the Commission initiated a year-long pilot that eliminated short sale price test restrictions from approximately one-third of the largest stocks. The purpose of the pilot was to study how the removal of such short sale price test restrictions impacted the market for those subject securities.
Short sale data was made publicly available during this pilot to allow the public and Commission staff to study the effects of eliminating short sale price test restrictions. Third-party researchers analyzed the publicly available data and presented their findings in a public Roundtable discussion in September 2006. The Commission staff also studied the pilot data extensively and made its findings available in draft form in September 2006, and final form in February 2007.