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For decades, fixed-income investors could count on steady coupon income as the primary source of return. But the last several years have rewritten that playbook. As the chart below shows, price movements—both positive and negative—have increasingly dominated the return experience for bonds. In fact, over the past decade, price movements have accounted for about 61% of total fixed-income returns each quarter. In some periods, the magnitude of price return has far outweighed the contribution from coupons, making the overall return profile more volatile than many investors expect from fixed income.

FIGURE 1

Price Volatility, Not Coupons, Has Driven Bond Performance  
Bloomberg US Aggregate Bond Index Quarterly Sources of Total Return (%) 

Bar chart showing that bond returns since 2015 have been driven more by price changes than coupon income.

Chart data as of 6/15-6/25. Past performance does not guarantee future results. Bloomberg US Aggregate Bond Index is composed of securities that cover the US investment-grade fixed-rate bond market, with index components for government and corporate securities, mortgage pass-through securities, and asset-backed securities. Indices are unmanaged and not available for direct investment. Data Sources: Morningstar and Hartford Funds, 7/25.

Breaking Down Bond Returns: Coupons vs. Price Moves

Coupon returns are generally predictable because they’re calculated as a fixed percentage of the bond’s face value at the time of issuance. Price returns, on the other hand, reflect the market’s reaction to shifting interest rates, yield-curve dynamics,3 and changing risk premiums. Since the pandemic, inflation shocks and rapid Federal Reserve (Fed) policy shifts have amplified these effects, creating wide swings in quarterly price returns. For investors, that means the path of rates, not just the level, has become a critical driver of outcomes.

This shift isn’t happening by chance. Inflation shocks, rapid Fed pivots, and shifting risk premiums have pushed interest-rate sensitivity to the forefront of fixed income. In this environment, with an uncertain path forward for interest-rate policy, price swings may overshadow the steady drip of income, making the old “buy and hold for yield” playbook less reliable.

 

Adapting to a More Volatile Bond Market

The takeaway isn’t that bonds have lost their value—it’s that fixed-income strategies need to adapt. Active management of duration4 and curve positioning, stress-testing for rate volatility, and diversifying across sectors have become essential tools. Yield and price appreciation still matter in fixed income, but the road to those returns is far less predictable than it once was. For financial professionals and investors alike, understanding where returns come from, and the risks that come with them, has never been more important.

 

To learn more about managing fixed-income risk,  please talk to your financial professional.

 

1 Bond coupons refer to the periodic interest payments made to bondholders during the life of the bond. These payments are typically expressed as a percentage of the bond’s face value and are paid annually or semiannually.

2 A risk premium is the investment return an asset is expected to yield in excess of the risk-free rate of return.

3 The yield curve is a line that plots interest rates of bonds having equal credit quality but differing maturity dates; its slope is used to forecast the state of the economy and interest-rate changes.

4 Duration is a measure of the sensitivity of an investment’s price to nominal interest-rate movement.

Important Risks: Investing involves risk, including the possible loss of principal. • Fixed income security risks include credit, liquidity, call, duration, and interest-rate risk. As interest rates rise, bond prices generally fall. • Diversification does not ensure a profit or protect against a loss in declining market.

This information should not be considered investment advice or a recommendation to buy/sell any security. In addition, it does not take into account the specific investment objectives, tax and financial condition of any specific person. This information has been prepared from sources believed reliable, but the accuracy and completeness of the information cannot be guaranteed. This material and/or its contents are current at the time of writing and are subject to change without notice.


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Insight from Hartford Funds
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