Pattern day trader

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In the United States, a pattern day trader is a Financial Industry Regulatory Authority (FINRA) designation for a stock trader who executes four or more day trades in five business days in a margin account, provided the number of day trades are more than six percent of the customer's total trading activity for that same five-day period. [1]

Contents

A FINRA rule applies to any customer who buys and sells a particular security in the same trading day (day trades), and does this four or more times in any five consecutive business day period; the rule applies to margin accounts, but not to cash accounts. A pattern day trader is subject to special rules. The main rule is that in order to engage in pattern day trading in a margin account, the trader must maintain an equity balance of at least $25,000. The required minimum equity must be in the account prior to any day trading activities. Ninety days must pass without a day trade for a person so classified to lose the restrictions imposed on them. [2] Pursuant to NYSE 432, brokerage firms must maintain a daily record of required margin.

The minimum equity requirement in FINRA Rule 4210 was approved by the Securities and Exchange Commission (SEC) on February 27, 2001 by approving amendments to NASD Rule 2520. [2]

Definition

A pattern day trader is generally defined in FINRA Rule 4210 (Margin Requirements) as any customer who executes four or more round-trip day trades within any five successive business days. [3] FINRA Rule 4210 is substantially similar to New York Stock Exchange Rule 431. [4] If, however, the number of day trades is less than or equal to 6% of the total number of trades that trader has made for that five business day period, the trader will not be considered a pattern day trader and will not be required to meet the criteria for a pattern day trader. [5]

A non-pattern day trader (i.e. someone with only occasional day trades), can become designated a pattern day trader anytime if they meet the above criteria. If the brokerage firm knows, or reasonably believes a client who seeks to open or resume trading in an account will engage in pattern day trading, then the customer may immediately be deemed to be a pattern day trader without waiting five business days. [6]

Requirements and restrictions

Under the rules of NYSE and Financial Industry Regulatory Authority, a trader who is deemed to be exhibiting a pattern of day trading is subject to the "Pattern Day Trader" rules and restrictions and is treated differently than a trader that holds positions overnight. In order to day trade: [3]

Day trading in cash accounts

The Pattern Day Trading rule regulates the use of margin and is defined only for margin accounts. Cash accounts, by definition, do not borrow on margin, so day trading is subject to separate rules regarding Cash Accounts. Cash account holders may still engage in certain day trades, as long as the activity does not result in free riding, which is the sale of securities bought with unsettled funds. An instance of free-riding will cause a cash account to be restricted for 90 days to purchasing securities with cash up front. Under Regulation T, brokers must freeze an investor's account for 90 days if the investor sells securities that have not been fully paid (i.e. paid for with unavailable funds). During this 90-day period, the investor must fully pay for any purchase on the date of the trade. [7]

References

  1. "Pattern Day Trader". Investor.gov. SEC. Retrieved October 16, 2025.
  2. 1 2 "Day-Trading Margin: SEC Approves Proposed Rule Change Relating to Day-Trading Margin Requirements" (PDF). FINRA. April 2001. Retrieved October 16, 2025.
  3. 1 2 "4210: Margin Requirements". FINRA.Complinet.com. Financial Industry Regulatory Authority. Archived from the original on April 3, 2016. Retrieved September 18, 2020.
  4. "NYSE Rule 4210 incorporated into the FINRA Rule Book".
  5. "Amendments to Rule 431 ("Margin Requirements") Regarding "Day Trading"" (PDF).
  6. "Margin Rules for Day Trading" (PDF).
  7. "SEC Office of Investor Education and Advocacy, "Trading in Cash Accounts: Beware of the 90-Day Freeze" (PDF).