The minimum equity required to support an investment position, the maximum percentage of the investment that can be loaned by the brokerage firm - is set by the Federal Reserve Board. To buy on margin refers to borrowing part of the purchase price of a security from a brokerage firm.
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Margin: A deposit contributed by a customer as a percentage of the current market value of the securities held in a margin account is thus the margin amount. This amount changes as the price of the investment changes. basicaly, margin is a buying a security by borrowing funds from a brokerage house.
Margin: A deposit contributed by a customer as a percentage of the current market value of the securities held in a margin account is thus the margin amount. This amount changes as the price of the investment changes. basicaly, margin is a buying a security by borrowing funds from a brokerage house.