minimum margin, or cash balance, that a customer must maintain on deposit with
his or her brokerage firm in order to continue purchasing securities on margin, or with borrowed funds.
"maintenance margin." YourDictionary, n.d. Web. 15 August 2018. <http://www.yourdictionary.com/maintenance-margin>.
maintenance margin. (n.d.). Retrieved August 15th, 2018, from http://www.yourdictionary.com/maintenance-margin