Minimum Margin

Dictionary Says

Definition of 'Minimum Margin'

The initial amount required to be deposited in a margin account before trading on margin or selling short. For example, the NYSE and the NASD require investors to deposit a minimum of $2,000 in cash or securities to open a margin account. Keep in mind that this amount is only a minimum - some brokerages may require you to deposit more than $2,000.
Investopedia Says

Investopedia explains 'Minimum Margin'

When you buy on margin, there are key levels - as governed by the Federal Reserve Board's Regulation T - that must be maintained throughout the life of a trade. The minimum margin, which states that a broker can't extend any credit to accounts with less than $2,000 in cash (or securities) is the first requirement. Second, an initial margin of 50% is required for a trade to be entered. Third, the maintenance margin says that you must maintain equity of at least 25% or be hit with a margin call.  

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  • Regulation T - Reg T

    The Federal Reserve Board regulation that governs customer cash accounts and the amount of credit that brokerage firms and dealers may extend to customers for the purchase of securities.
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    • Federal Reserve Board - FRB

      The governing body of the Federal Reserve System. The seven members of the board of governors are appointed by the president, subject to confirmation by the Senate.
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    • Remargining

      The process of bringing an account up to minimum equity standards by depositing more cash or equity. This typically occurs after the account holder has received a margin call.When a ...
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    • Initial Margin

      The percentage of the purchase price of securities (that can be purchased on margin) that the investor must pay for with his or her own cash or marginable securities. Also called the ...
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    • Maintenance Margin

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    • Margin Call

      A broker's demand on an investor using margin to deposit additional money or securities so that the margin account is brought up to the minimum maintenance margin. Margin calls occur ...
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