: The minimum amount of equity an investor must maintain in their margin account after the purchase.

Buying on margin is the practice of purchasing stocks by paying a small percentage of the price (a down payment) and borrowing the remaining balance from a broker. This strategy uses to increase buying power, allowing investors to control more shares than they could with cash alone. Key Concepts and Terminology

: The stocks purchased on margin serve as collateral for the broker's loan. Benefits and Risks What did "buying on margin" mean in the 1920s? - Quizlet