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What Is a Bond Yield

A bond yield expresses the return a bond offers relative to its price, letting you compare bonds with different coupons and prices. Because yield moves as prices change, it is a more flexible measure than the fixed coupon alone. This guide explains the main yield measures and the checks to run before you rely on any single number.

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How yield relates to price and coupon

The coupon is fixed when a bond is issued, but the price you pay can differ from the face value. Yield connects the two. When a bond's price falls, its yield rises; when the price rises, the yield falls. Keeping this inverse relationship in mind helps you read quotes and understand why yields shift with markets.

Coupon is fixed; the market price can change over time.
Price and yield generally move in opposite directions.
A bond bought below par can yield more than its coupon.
Yield helps compare bonds with different prices and coupons.

Common yield measures

Different yield figures answer different questions. Current yield divides the annual coupon by the current price. Yield to maturity estimates the total return if you hold to the repayment date and reinvest coupons at the same rate. Each measure rests on assumptions, so check which one a source is quoting before comparing.

Current yield: annual coupon divided by current price.
Yield to maturity: estimated return if held to maturity.
Yield to call: return if the issuer repays early where allowed.
Always confirm which measure a quote refers to.

Using yield with care

A higher yield often signals higher perceived risk rather than a better deal. Yields reflect the market's view of credit quality, time to maturity and interest rate expectations. Comparing yields without checking the underlying issuer and terms can be misleading, so treat yield as one input among several.

Higher yield can reflect higher credit or interest rate risk.
Compare yields only on similar terms and maturities.
Assumptions behind a figure affect what it really means.
Verify the numbers in current product documents.

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FAQ

Why does yield rise when price falls?

The coupon payment is fixed in cash terms, so paying a lower price for that same payment increases your return relative to the price. That is why yield and price generally move in opposite directions.

Is a higher yield always better?

No. A higher yield often reflects higher perceived risk, such as weaker credit quality or longer maturity. Compare yields only across similar bonds and read the issuer details before drawing conclusions.

Which yield measure should I look at?

It depends on your question. Current yield shows income relative to price, while yield to maturity estimates total return if held to the end. Confirm which measure a source uses so you compare like with like.