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How Does Inflation Affect Fixed-Income Investments?

Inflation can have a negative impact on fixed-income assets when it results in higher interest rates. Central banks, like the U.S. Federal Reserve, typically have inflation targets. When inflation begins to exceed the desired threshold, officials will increase interest rates.

Since the interest payments from existing fixed-income assets become less competitive relative to newer higher rate fixed-income instruments, prices of existing fixed-income assets will typically fall. In other words, there is an inverse relationship between interest rates and fixed-income asset prices. High inflation can also undermine the returns from strategies that rely on fixed payments.

Key Takeaways

  • Inflation can have a negative impact on fixed-income assets when it results in higher interest rates.
  • Fixed-income instruments include bonds and certificates of deposit (CD).
  • Prices of fixed-income assets move opposite to their yields.
  • Inflation typically occurs during periods of economic strength and when prices for wages, merchandise, and commodities begin to increase.
  • The Consumer Price Index (CPI) and Producer Price Index (PPI) are economic indicators that are commonly used to gauge inflation.

What Drives Inflation

Inflation is typically defined as a sustained increase in the price level for goods and services throughout an economy. There is no widespread consensus on the primary cause of inflation, but most economists agree that inflation often surfaces during periods of strength in the economy. When unemployment rates fall, companies must begin paying higher wages, leading to an increase in production costs. Those increases are passed along to the consumer in the form of higher prices for goods and services.

Inflation can also occur when a country’s government prints more money than is justified by the country’s wealth, causing the value of the currency and its purchasing power to decrease.

Inflation and Interest Rates

Fixed-income assets are debt securities that deliver regular payments—sometimes called coupons—to holders until maturity. Examples include corporate bonds, government debt, municipal bonds, and certificates of deposit. For instance, a company issues a 5% corporate bond with a $1,000 face value that matures in five years. The bond pays $50 (5% of $1,000) per year for five years and then returns the $1,000 when the bond matures.

Now, suppose high inflation is driving up interest rates and to compete with other bond issuers, the same company must now issue five-year bonds at 6%. If the investor holding the 5% bond wants to sell their bond in the market, they must now compete with the newer 6% bond. Therefore, it is unlikely they will find a buyer for their bond for the full $1,000 face value. Instead, the bond might be worth around $850, which translates into an annual yield of 6% given the $50 per year annual interest payment.

While the bondholder can always hold the bond until maturity and receive the full $1,000 face value at maturity, the hypothetical example illustrates how bond prices can fall, forcing yields higher due to the competition from similar, newer bonds. The real impact depends on the type of fixed-income instrument being held, how rapidly rates are rising, and where (short-term or long-term) rates are moving higher along the yield curve.

Inflationary Risk

Understanding the difference between nominal and real interest rates can also help you better understand how inflation negatively affects fixed-income assets. A bond’s nominal interest rate does not take inflation into account, and an investor will only earn that amount when inflation is zero. A bond’s real interest rate, on the other hand, indicates the investor’s real return by subtracting inflation from the nominal interest rate.

For example, if the nominal interest rate is 4% and inflation is 3%, the real interest rate is 1%. If inflation is higher than the nominal interest rate, the bondholder’s return is not keeping pace with the rising cost of living due to inflation. As many investors rely on bonds as a predictable source of income, periods of high inflation are undermining their returns. This is known as inflationary risk.


One of the most problematic aspects of inflation is that its impact on investments is not stated explicitly. Instead, investors often monitor economic indicators like the Producer Price Index (PPI) and Consumer Price Index (CPI) to get a sense of general inflation trends.

When economists talk about rising inflation, they are usually referring to a rise in the Consumer Price Index, which tracks overall prices at the retail level. The Producer Price Index, on the other hand, consists of prices of consumer goods and capital goods paid to producers (mostly by retailers). Inflationary trends are reflected earlier in the PPI than they are in the CPI. So, the PPI can be useful to investors as an early signal of impending inflation.

Why Are Interest Rates and Bond Prices Inversely Related?

Bond prices move up when interest rates fall, and vice-versa. This is because bonds that pay a fixed interest (coupon) rate will become less attractive when new bonds can be issued with higher yields (and so these older bonds trade at a discount). Likewise, if interest rates fall, new bonds will yield less, making the older ones more attractive (which then trade at a premium).

Is Inflation Good or Bad for Stocks?

While they generally hold up better to inflation than bonds, stocks can also fall due to inflation as companies may take time to pass on their cost increases to consumers, eroding profits. In general, value stocks tend to perform better in high inflation periods and growth stocks perform better when inflation is low.

Which Assets Hedge Against Inflation?

Historically, real estate, gold, and other commodities have been lauded as inflation hedges. Empirical work, however, reveals that these asset classes do not always live up to their status as a good hedge against inflation.

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