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]

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 you must maintain an equity balance of at least $25,000 in a margin account. The required minimum equity must be in the account prior to any day trading activities. Three months must pass without a day trade for a person so classified to lose the restrictions imposed on them. 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]