Maturity and Tenor
Maturity and Tenor
Maturity is the date when a bond issuer returns the principal (par value) to you. Tenor is the original lifespan when the bond was issued. Remaining maturity is how much time is left until that date. Time to maturity is the single biggest driver of a bond's interest rate risk.
Key takeaways
- Maturity is the contractual end date of a bond; tenor is the original time period set at issuance
- A bond issued in 2020 with a 10-year tenor has a 2030 maturity date; in 2025, its remaining maturity is 5 years
- Bonds with longer maturities are more sensitive to interest rate changes; a 20-year bond's price swings more than a 2-year bond's when rates move
- The maturity date is fixed (unless the bond is called or the issuer defaults), but the remaining maturity shrinks by one day each day
- Most bonds are issued with tenors ranging from 2 to 30 years; anything longer is rare and anything shorter is usually a note or bill
The maturity date: the countdown timer
Every bond has a maturity date—the day when you receive the final coupon payment plus the principal (par value). If you buy a corporate bond issued in 2023 with a 7-year tenor, the maturity date is 2030. On that date, the issuer pays you and the bond is retired. The bond ceases to exist (unless it is refinanced or rolled over into a new bond by the issuer, but that is the issuer's choice, not yours).
The maturity date is fixed at issuance. It does not move unless the issuer negotiates with bondholders to extend the maturity (rare) or calls the bond early (if callable). It does not depend on what you paid for the bond, when you bought it, or when you might want to sell. The maturity date is part of the bond's DNA.
This certainty is valuable. You know that, barring default or call, you will receive the par value on the stated date. That is the foundation of fixed income investing. You can plan around it.
Tenor vs remaining maturity
Tenor is the original lifespan of the bond at the time of issuance. A "10-year bond" has a 10-year tenor. The U.S. Treasury issued a 10-year note in May 2020; its tenor was 10 years and its maturity date was May 2030.
Remaining maturity is how much time is left until maturity. In 2025, that same Treasury note had 5 years remaining until maturity (assuming May 2025 as the measurement date). The tenor (10 years) does not change; it is a historical fact. The remaining maturity (5 years) shrinks every day.
Investors often use "maturity" and "tenor" interchangeably when discussing newly issued bonds. A "5-year bond" issued today has a 5-year tenor and a maturity date 5 years away. But once the bond trades in the secondary market, the terminology diverges. A secondary-market bond is described by its remaining maturity, not its original tenor. A bond with 2 years left is a "2-year bond," even though it might have been issued as a 10-year bond and has only moved through 8 years of its life.
The maturity spectrum
Bonds are grouped by remaining maturity:
- Short-term — under 3 years remaining maturity. Often called notes or bills.
- Intermediate-term — 3 to 10 years. The sweet spot for many investors; liquid, not too volatile.
- Long-term — over 10 years. More price-sensitive to rate changes; larger swings.
- Ultra-long — 20, 30, or 50 years. Very sensitive to rates. The Treasury also issued a 100-year bond; such securities are rare.
The longer the remaining maturity, the more the bond's price will move when interest rates change. A 30-year Treasury bond with a 3% coupon might fall 20% if rates rise to 5%. A 2-year Treasury with a 3% coupon might fall only 3%. Time to maturity is the primary determinant of this sensitivity, a concept formalized as duration.
Maturity and coupon together
A bond's maturity and coupon together determine the bond's cash flows and risk. A high-coupon, short-maturity bond (e.g., 7% coupon, 2 years to go) pays you a lot of income quickly, so the bond's value does not move as much if rates change. A low-coupon, long-maturity bond (e.g., 2% coupon, 20 years remaining) exposes you to a lot of future uncertainty, so its price swings more.
A zero-coupon bond (no coupon, pays only par at maturity) is extremely sensitive to rates. All of the cash flow is back-loaded to the maturity date. A tiny rate change causes a big price move. A zero-coupon bond with 10 years remaining will see its price swing more than a 10-year coupon-paying bond.
The shape of the yield curve
The maturity dimension of the bond market is expressed in the yield curve. The yield curve is a graph of bond yields plotted against their maturity. A typical curve is upward-sloping: short-maturity bonds (e.g., 2-year Treasuries) have lower yields than long-maturity bonds (e.g., 10-year or 30-year Treasuries). This reflects the extra risk (interest rate risk) embedded in longer bonds. You demand extra yield to lock your money away for 30 years instead of 2 years.
Occasionally, the curve inverts: short rates exceed long rates. This often precedes a recession. Investors see economic trouble ahead and bid up long bonds for safety, depressing long yields. Or central banks raise short rates rapidly to fight inflation, while long rates fall as inflation is expected to recede. An inverted yield curve is an anomaly and often temporary.
The shape of the curve matters for your bond portfolio. If you own intermediate-term bonds (5–10 years) and the curve is steep (long rates much higher than short rates), the incentive to reach for longer maturities is strong, but you accept more price volatility. If the curve is flat, the extra yield for going long is not compelling, so many investors stick with intermediate bonds.
Maturity and credit risk
The maturity of a bond also influences its credit risk. A 2-year bond issued by a struggling company is more likely to be repaid because 2 years is a short time frame for the company to stabilize or refinance. A 30-year bond issued by the same company is riskier; a lot can go wrong in 30 years. The company might default, the industry might collapse, competition might intensify.
This is why credit spreads widen as you move out the maturity spectrum. The 2-year corporate bond might trade at 100 basis points above Treasury (1% spread). The 10-year might trade at 150 bps. The 30-year might trade at 200 bps. You are compensated for taking on longer-dated credit risk.
Bond ladders and maturity
A bond ladder is a portfolio technique in which you buy bonds with different maturities, spaced evenly (e.g., one bond maturing each year). As each bond matures, you reinvest the principal in a new bond at the long end of the ladder. This approach reduces reinvestment risk and gives you regular access to principal for redeployment.
For example, a 5-rung ladder might own a 1-year bond, a 2-year bond, a 3-year, a 4-year, and a 5-year bond. Each year, one bond matures and you buy a new 5-year bond, keeping the ladder shape. The ladder averages out interest rate risk; you are not exposed to just one maturity.
Callable bonds and effective maturity
A callable bond has a stated maturity date, but the issuer can call (repay) the bond at par before that date. The bondholder is then left with par principal and must reinvest at new, possibly lower, rates. This caps your upside if rates fall, because the bond will be called away.
The effective maturity of a callable bond is often shorter than its stated maturity. If rates fall sharply and the issuer calls the bond, you will not hold it until the original maturity date. Your yield to call will be lower than your yield to maturity. Credit analysts account for this by quoting yield to worst, which assumes the least favorable scenario (call if rates fall, maturity if rates rise).
Maturity buckets in a bond fund
A bond fund typically holds bonds across a range of maturities. The fund's prospectus will specify a maturity profile. A "short-term bond fund" might own bonds with an average maturity of 1–3 years. An "intermediate bond fund" might own an average maturity of 5–7 years. A "long-term bond fund" might own 15–20 years.
The average maturity (or the related measure, duration) describes the fund's interest rate sensitivity. A short-term bond fund will have smaller price swings than a long-term bond fund. During a period of rising rates, short-term bond funds hold up better because their shorter duration means less downside. During a period of falling rates, long-term bond funds outperform because their longer duration means bigger upside.
The zero-maturity limit
Bonds are finite; they have a maturity date. Even the longest-dated bond (the U.K. consols, which are perpetual, or the Treasury's 100-year bonds) have a stated maturity or a presumed horizon. You cannot own a bond that never matures (though you can own a perpetual stock or a perpetual preferred share).
This finitude is both a strength and a constraint. Strength: you know the repayment is coming. Constraint: you must manage reinvestment and roll-over when the bond matures.
Maturity and inflation
For bonds with long maturities, inflation risk becomes material. A 30-year Treasury bought today with a 2% coupon might be eroded by inflation over three decades. If average inflation runs 3% per year, your real return (inflation-adjusted return) is negative. This is why long-term bonds are more sensitive to inflation expectations.
Treasury Inflation-Protected Securities (TIPS) address this by adjusting the principal and coupon based on the Consumer Price Index. A TIPS bond will have its par value increased if inflation rises, ensuring your real return is protected. TIPS usually have longer maturities (5, 10, 20, 30 years) to make inflation protection meaningful.
Maturity brackets and portfolio construction
Professional investors often think about bonds in maturity buckets:
- Core maturity (e.g., 5–7 years): the bulk of a bond allocation, balancing yield and volatility.
- Barbell (short + long): owning bonds at the short end (1–2 years) and long end (20+ years) with little in the middle.
- Bullet (concentrated maturity): owning bonds bunched around one maturity to match a known liability date.
Each strategy uses maturity differently. A barbell captures both the safety of short bonds and the high yield of long bonds, while minimizing middle-of-the-road mediocrity. A bullet is useful for a retiree who knows they need $500,000 in 15 years; buying 15-year bonds ensures the repayment date matches the need.
Conclusion: maturity is destiny
Maturity is not a casual detail on a bond. It is the fundamental anchor of the bond contract and the primary driver of interest rate risk. A 20-year bond and a 2-year bond issue by the same company and paying the same coupon will behave very differently. The 20-year bond will fluctuate wildly with interest rate moves; the 2-year bond will trade near par. Your choice of maturity, combined with your coupon, defines your bond's risk and return profile.
Process
Related concepts
Next
The maturity date is fixed, but the investor's decision of when to get paid introduces another dimension: the payment frequency. Some bonds pay once a year, others semi-annually or monthly. That frequency shapes the cash flow you actually receive.