Adding TIPS bonds to a portfolio may protect against rising inflation

Treasury Inflation-Protected Securities (TIPS) may help safeguard your portfolio against the effects of rising prices, but they do include risks.

Tags: Bonds, Investing
Published: January 21, 2020

TIPS are issued by the U.S. government and, like other Treasury securities you may add to a portfolio, are backed by the full faith and credit of the federal government. However, there’s a major difference: Unlike regular Treasuries, TIPS are adjusted for inflation based on the consumer price index (CPI).

Does inflation affect bonds?

Yes, inflation does affect bonds and can be the “enemy” of bondholders. Consider a traditional bond that pays 3 percent while inflation is only 1 percent. Your purchasing power is positive since your return is greater than inflation. However, if inflation is 4 percent during the life of the bond, despite having a positive return, your bond has not kept up with inflation and your purchasing power falls.

TIPS can help lessen how inflation affects bonds by providing a potential for a total rate of return that adjusts with inflation.

How TIPS work

The principal amount of TIPS is linked to CPI, published by the Bureau of Labor Statistics, adjusted for three months prior. The inflation-adjusted principal value will not be realized until the issue matures or is sold.

For example, say you own TIPS valued at $10,000 with a coupon of 5 percent. Normally, that would result in income of $500 for the year (TIPS issue interest payments twice a year).

  • If the CPI increases 3 percent, the principal would be adjusted by the same percentage, resulting in you receiving 5 percent of $10,300 for the year, or $515.
  • If the CPI declines 4 percent, the $10,000 principal on your TIPS is readjusted to $9,600, and the 5 percent coupon gives a return of $480.


TIPS can help lessen how inflation affects bonds by providing a potential for a total rate of return that adjusts with inflation.

The pros and cons of TIPS

TIPS may seem like an obvious choice to help protect against inflation, but they have pros and cons.


  • TIPS allow investor purchasing power to keep pace with inflation.
  • TIPS are backed by the full faith and credit of the U.S. government, and thus have low credit risk.


  • Like traditional bonds, rising interest rates generally reduce the price of TIPS, just as lower interest rates drive prices higher.
  • As rising prices result in a rising principal amount for TIPS, declining prices mean a declining principal value for TIPS, which can lower the return.

Generally, TIPS outperform traditional government bonds when inflation is higher than the market expects. And they underperform traditional U.S. government bonds when inflation is lower than market expectations.

TIPS and taxes

Interest payments from TIPS are subject to federal tax but exempt from state and local taxes. In addition, the amount of increase in principal value is considered taxable income at the federal level, though exempt from state and local taxes. That can create the “phantom income” effect: Increases in principal are taxed when they occur, not when they are actually realized.


Read more about the effects of inflation on investments.


Based on our strategic approach to creating diversified portfolios, guidelines are in place concerning the construction of portfolios and how investments should be allocated to specific asset classes based on client goals, objectives and tolerance for risk. Not all recommended asset classes will be suitable for every portfolio. Diversification and asset allocation do not guarantee returns or protect against losses.
Past performance is no guarantee of future results. All performance data, while deemed obtained from reliable sources, are not guaranteed for accuracy. Indexes mentioned are unmanaged and are not available for investment.
Investments in fixed income securities are subject to various risks, including changes in interest rates, credit quality, market valuations, liquidity, prepayments, early redemption, corporate events, tax ramifications and other factors. Investment in fixed income securities typically decrease in value when interest rates rise. This risk is usually greater for longer-term securities. Investments in lower-rated and non-rated securities present a greater risk of loss to principal and interest than higher-rated securities. Treasury Inflation-Protected Securities (TIPS) offer a lower return compared to other similar investments and the principal value may increase or decrease with the rate of inflation. Gains in principal are taxable in that year, even though not paid out until maturity.