margin Using money borrowed from a broker/dealer to purchase securities; here also called buying on margin. opposite of buying outright. Also, the amount of equity required for an investment in securities purchased on credit. Also, the face value of a loan minus the value of the pledged collateral. see also pre-tax profit margin, gross margin, net liquid assets, operating leverage, net operating margin, net margin, initial margin, operating income, option margin, initial margin, profit margin, remargining, undermargined account, variation margin, credit, security deposit
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