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30 September 2026

Bond yields explained

Discover the relationship between bond yields and your portfolio's performance

Bond yields explained

Bond yields are a crucial aspect of investing, as they directly impact the performance of a portfolio. Bond yields refer to the return an investor can expect from a bond, typically expressed as a percentage of the bond’s face value. This return is influenced by various factors, including the bond’s duration which is a measure of its sensitivity to changes in interest rates.

The yield curve is a graphical representation of the relationship between bond yields and their corresponding durations. It is typically upward-sloping, indicating that bonds with longer durations offer higher yields to compensate for the increased risk. However, the yield curve can also be flat or even inverted, depending on market conditions.

Understanding Duration and Convexity

Duration is a measure of a bond’s price sensitivity to changes in interest rates. A bond with a higher duration will experience a greater change in price in response to a given change in interest rates. Convexity on the other hand, measures the degree to which a bond’s duration changes in response to changes in interest rates. A bond with high convexity will experience a greater change in duration in response to a given change in interest rates.

Correlations with Equities, Real Estate, and Crypto

The relationship between bond yields and other asset classes, such as equitiesreal estate and crypto is complex and influenced by various factors. Generally, when bond yields rise, equities and real estate tend to decline, as higher interest rates increase the cost of borrowing and reduce the attractiveness of these assets. Crypto, being a relatively new and volatile asset class, tends to be less correlated with bond yields, but its price can still be influenced by changes in interest rates.

Scenario Analysis: Rising, Flat, and Falling-Rate Regimes

In a rising-rate regime bond yields increase, and investors may need to adjust their portfolios to maintain returns. This can involve shifting to bonds with shorter durations or exploring alternative asset classes. In a flat-rate regime bond yields remain stable, and investors may focus on maintaining their current portfolio allocations. In a falling-rate regime bond yields decrease, and investors may need to adjust their portfolios to capitalize on the increased demand for bonds.

Practical Rules for Rebalancing

When interest rates change, investors should rebalance their portfolios to maintain their target asset allocation. This can involve selling bonds that have increased in value and purchasing those that have decreased. Investors should also consider the tax implications of rebalancing and aim to minimize tax liabilities. By understanding the mechanics of bond yields and their relationships with other asset classes, investors can make informed decisions and navigate changing interest rate environments effectively.