Simple definition
The coupon rate is the fixed yearly interest a bond promises to pay, stated as a percentage of its face value — the amount printed on the bond. It's set when the bond is issued and doesn't change, no matter what the bond later trades for. Think of it as a fixed rent the borrower agreed to pay you each year for lending your money.
Why it matters
The coupon rate tells you the dollar income a bond will pay each year, which matters if you rely on that steady cash. It's fixed, so it won't rise with interest rates — a reason bond prices fall when new bonds offer higher coupons.
Real-life example
A bond has a $1,000 face value and a 5% coupon rate. That means it pays $50 in interest every year (5% of $1,000), usually split into two $25 payments. That $50 stays the same each year regardless of whether the bond's market price rises or falls.
Formula
Coupon rate = annual coupon payment ÷ face value
Common mistakes
- Confusing the coupon rate with the yield you actually earn if you buy at a different price.
- Expecting the coupon payment to rise when interest rates go up — it stays fixed.
- Thinking a high coupon always means a good deal, ignoring price and credit risk.
- Forgetting the coupon is based on face value, not on what you paid for the bond.
Pro tips
- Read the coupon rate as a fixed dollar amount off the face value, not off your purchase price.
- Compare coupon rate to current yield to see what a bond really pays at today's price.
- Weigh a high coupon against the issuer's credit quality before assuming it's a bargain.
- Note the payment schedule so you know when the interest actually arrives.
Related Money Dictionary terms
- BondA loan you make to a government or company that pays you interest and returns your money on a set date.
- YieldThe income an investment pays you each year, shown as a percentage of its current price.
- Yield to MaturityThe total return you would earn on a bond if you held it until it matures and reinvested all interest.
- Face ValueThe amount a bond issuer promises to repay when the bond matures, also called par value.
- Current YieldA bond's annual interest payment divided by its current market price, showing income relative to today's cost.
- Treasury BondA long-term loan to the U.S. government that pays fixed interest and is considered very low risk.
Frequently asked questions
Does the coupon rate change over the life of the bond?
For most bonds, no — the coupon rate is fixed when the bond is issued and stays the same until it matures. Some bonds have floating rates that adjust with a benchmark, but a standard fixed-rate bond pays the same coupon every year no matter what happens to interest rates or its price.
How is coupon rate different from yield?
The coupon rate is fixed and based on face value; yield reflects what you actually earn based on the price you pay. Buy a bond below face value and your yield is higher than the coupon; buy above face value and it's lower. Coupon is set at issue, yield moves with price.
Why do some bonds have a 0% coupon rate?
Zero-coupon bonds pay no annual interest. Instead, you buy them for less than face value and receive the full face value at maturity. Your return comes from that price difference rather than yearly payments. They suit savers who want a known lump sum at a future date rather than regular income.
Knowing what Coupon Rate means is knowledge — the first half. A brick gets placed when you act on it: check a bond you hold and multiply its coupon rate by face value to see its yearly income.
Sources & references
More in Investing
Plain-English education — not personalized legal, tax, or investment advice.