Yield to Maturity
Lambert M. SurhoneISBN: 978-6-1320-0130-6;
The Yield to maturity (YTM) or redemption yield of a bond or other fixed-interest security, such as gilts, is the internal rate of return (IRR, overall interest rate) earned by an investor who buys the bond today at the market price, assuming that the bond will be held until maturity, and that all coupon and principal payments will be made on schedule. Yield to maturity is actually an estimation of future return, as the rate at which coupon payments can be reinvested when received is unknown. It enables investors to compare the merits of different financial instruments. The YTM is often given in terms of Annual Percentage Rate (A.P.R.), but more usually market convention is followed: in a number of major markets the convention is to quote yields semi-annually (see compound interest: thus, for example, an annual effective yield of 10.25% would be quoted as 5.00%, because 1.05 x 1.05 = 1.1025).
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