Bond Discount
Quick Definition
When a bond trades below its face (par) value, typically because its coupon rate is lower than prevailing market interest rates.
What Is Bond Discount?
A bond discount occurs when a bond's market price falls below its face (par) value, which is typically $1,000. This happens primarily when the bond's coupon rate is lower than current market interest rates — investors are unwilling to pay full price for a below-market coupon. For example, if a bond pays a 3% coupon but newly issued bonds pay 5%, the older bond must trade at a discount to compensate buyers for the lower income stream. The discount narrows as the bond approaches maturity, eventually converging to par value at maturity in a process called "pull to par." Bond discounts can also result from deteriorating credit quality or increased default risk. For tax purposes, the discount on bonds purchased in the secondary market may be treated as ordinary income (market discount) or capital gain depending on how the bond was originally issued and the investor's holding period.
Bond Discount Example
- 1A $1,000 par bond with 3% coupon trades at $920 when market rates are 5% — the $80 discount compensates for the lower coupon
- 2Zero-coupon bonds always trade at a deep discount since they pay no periodic interest
Related Terms
Bond Premium
When a bond trades above its face (par) value, typically because its coupon rate is higher than prevailing market interest rates.
Par Value
The face value of a bond, typically $1,000, representing the amount repaid to the bondholder at maturity.
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.
Coupon Rate
The annual interest rate stated on a bond, expressed as a percentage of face value, that determines the periodic coupon payments.
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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