An amount paid by the account holder (either in cash or "marginable securities" which is held by the brokerage against non cash or high risk investments, or where the brokerage has lent the account holder the means to undertake a particular trade.
An amount paid by the account holder (either in cash or "marginable securities" which is held by the brokerage against non cash or high risk investments, or where the brokerage has lent the account holder the means to undertake a particular trade.