Bond Yield
Quick Definition
The return an investor earns from a bond, expressed as an annual percentage, which can be measured in several ways including current yield and yield-to-maturity.
What Is Bond Yield?
Bond yield represents the return an investor receives from a bond investment, expressed as an annualized percentage. There are several ways to measure yield, each providing different insights. Current yield is the simplest: annual coupon payment divided by the bond's current market price. Yield-to-maturity (YTM) is the most comprehensive measure, calculating the total return if held to maturity including coupon payments, reinvestment income, and any gain or loss from the difference between purchase price and par value. Yield-to-call (YTC) calculates return assuming the bond is called at the earliest call date. Yield-to-worst (YTW) is the lowest of YTM and all possible YTC values, representing the worst-case scenario. Bond yields move inversely to bond prices — when prices rise, yields fall, and vice versa. This inverse relationship is one of the most fundamental concepts in fixed income investing and is driven by the fixed nature of coupon payments.
Bond Yield Example
- 1A $1,000 par bond with 5% coupon bought at $950 has current yield of 5.26% ($50/$950) but YTM of 5.6% including the $50 gain at maturity
- 2When the 10-year Treasury yield rises from 4% to 5%, existing bond prices drop approximately 8% (for 10-year duration)
Related Terms
Yield to Maturity (YTM)
The total annualized return an investor earns if a bond is held until maturity, accounting for coupon payments, purchase price, and par value at redemption.
Current Yield
A bond's annual coupon payment divided by its current market price, providing a simple snapshot of income return.
Coupon Rate
The annual interest rate stated on a bond, expressed as a percentage of face value, that determines the periodic coupon payments.
Bond Spread
The yield difference between a bond and a benchmark security (usually a Treasury), reflecting the additional risk compensation investors demand.
Bond
A fixed-income debt security where investors loan money to an issuer in exchange for regular interest payments and return of principal at maturity.
Treasury Bond (T-Bond)
A long-term U.S. government debt security with a maturity of 20 or 30 years, paying semiannual coupon interest.
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