A fixed-rate bond can trade below its face value even when the issuer continues to make its payments. A low coupon can coexist with a high market yield.
Understanding these distinctions helps executives interpret funding costs and the risk of financial assets held by the business.
Separate coupon from yield
The coupon specifies contractual interest payments. Yield relates the price paid to the modeled payment stream.
A hypothetical €1,000 bond paying €40 annually has a 4% coupon. If its market price changes, the yield changes even though the contractual coupon remains the same.
Yield to maturity summarizes a cash-flow calculation under assumptions. It is not a guarantee that the investor will receive that realized return after default, sale or different reinvestment conditions.
Connect price with required return
For a conventional fixed-rate bond with unchanged promised cash flows, a higher required market yield means a lower present value.
Credit quality, liquidity and embedded options can also affect price. Not every price movement is a pure interest-rate change.
The US Securities and Exchange Commission’s investor guidance distinguishes credit, interest-rate, inflation and liquidity risks in bonds. The existence of a repayment date does not eliminate those exposures.
Interpret duration appropriately
Modified duration approximates percentage price sensitivity to a small change in yield, with other relevant conditions held constant.
A hypothetical modified duration of four implies approximately a 4% price fall for a one-percentage-point yield increase. The estimate becomes less accurate for larger moves and when options or changing cash flows matter.
Duration is not simply remaining maturity. Coupon timing and other characteristics affect the sensitivity. Convexity and additional risk measures may be needed for more detailed analysis.
Distinguish investor and issuer perspectives
For an investor, market-value changes can matter before maturity. For an issuer, a fixed-rate obligation may stabilize coupon payments while retaining refinancing and covenant exposure.
A floating-rate loan responds differently: cash interest can change as the reference rate resets.
Compare the actual payment and maturity profiles. A favorable current rate can conceal a concentrated future refinancing need.
Read the yield curve as information, not certainty
Rates across maturities reflect several influences, including expectations and risk premia. An upward or inverted curve does not provide a guaranteed forecast of future borrowing cost.
Use dated market evidence and test alternatives. Do not copy a historical curve from a teaching example into a current funding decision.
The relevant corporate rate also includes the company’s own credit and contractual conditions.
Connect treasury holdings with cash needs
Assets intended to support near-term obligations should be assessed for availability, market sensitivity and credit exposure.
A long-dated bond is not equivalent to immediately available cash simply because its issuer is highly rated.
For the next debt or treasury review, distinguish coupon, yield, duration, maturity and refinancing date. Explain which exposure affects cash and which affects market value.
The objective is a clearer view of the company’s commitments and resources under changing conditions.