CALL MONEY. A London money-market term used to describe short-term loans advanced to bill-brokers by banks on security. Another name for such advances is "day-to-day money," or even "over-night money." Such advances are essential to the bill-broker, who requires prompt loans to deal with bills offering. Call money is advanced on the security of bills of exchange or of bearer securities, and the name expresses the fact that, lent for a very short period, the bank making the advance has the money for practical purposes at call. (See MONEY MARKET.) Call Loan.—According to the custom in use by the New York Stock Exchange, a lender wishing repayment of a call loan must notify the borrower by 12 .30 P.M. in order to receive payment on that day, and a borrower wishing to terminate a call loan must notify the lender before I P.M., or else he can be charged an other day's interest. It is possible to stipulate a rate of interest on a call loan but this practice is quite unusual. Interest is com monly paid at the "call loan rate," which may vary from day to day. The lender notifies the borrower of any rise or fall in the interest rate, which is known as "marking up rates" or "marking down rates."