Bond Basics: How Interest Rates Affect Bond Yields | Natixis Investment Managers (2024)

To help tame inflation, the US Federal Reserve (Fed) raised its benchmark interest rate to its highest level in 15 years – now at the targeted range of 5.00%-5.25% after its May 2023 meeting. While the bulk of Fed rate hikes appear to be in the rearview mirror, the Fed is expected to boost the rate a little more in 2023. Whether a rising rate scenario qualifies as good or bad news, it may depend on your point of view – and time horizon.

When rates rise, bond prices fall, which can cause immediate pain to fixed income investors. However, rising rates are good for bond “income” or coupon returns. Rising rates mean more income, which compounds over time, enabling bond holders to reinvest coupons at higher rates (more on this “bond math” below). Overall, higher rates offer the potential for greater income and total return in the future. So, now that there is more income potential in the bond markets than there has been in many years, perhaps now is an opportune time to revisit some bond basics.

Bonds and interest rates
Bonds are debt securities issued by governments and corporations to fund their operations. Investors can purchase bonds from the issuer, who is then required to make interest payments on a regular schedule over a set number of years. (This is why bond investments are also known as fixed income.) The amount of interest paid reflects the prevailing interest rate environment at the time of issuance and is fixed over the life of the bond. This is where inflation concerns may enter the equation.

Bond prices, coupons, and yields
Regardless of whether a bond is issued by a government or a corporation, the mechanics of bond pricing are the same. Bonds are issued at a specific rate of interest that the issuer will pay to investors, known as the coupon. Once issued, the coupon never changes – but prevailing interest rates can. When that happens, an existing bond’s coupon rate may become more or less attractive by comparison, and that affects its price.

  • When an existing bond has a higher coupon than a newly issued bond, it pays out more income. Investors may be willing to pay more to own it, driving its market price up.
  • Conversely, when an existing bond has a lower coupon than current rates, investors may find it less appealing, and its market price may go down.

The relationship between a bond’s current price and its coupon is known as its yield, which is the amount of return an investor will realize on a bond, calculated by dividing its face value by its coupon. As market conditions affect a bond’s price, its yield will also change. For example:

As Bond Price Declines, Yield Increases
Bond Basics: How Interest Rates Affect Bond Yields | Natixis Investment Managers (1)

Source: Natixis Investment Managers

Understanding bond math
Understanding the relationship between bond prices and yields helps explain why bond investors can lose money based on the current price of their bonds, even though the interest income may help offset some of the price decline. When interest rates rise, prices of existing bonds tend to fall, even though the coupon rates remain constant, and yields go up. Conversely, when interest rates fall, prices of existing bonds tend to rise, their coupon remains constant – and yields go down.

Quality matters
Not surprisingly, a bond’s quality also has a direct bearing on its price and yield. Bonds are rated by independent agencies, with AAA/Aaa to BBB/Baa considered “investment grade.” These higher-quality bonds generally have a lower yield than non-investment grade or non-rated securities because they are considered more likely to make all of their scheduled interest payments. Conversely, lower rated or “high yield” bonds pay higher coupon rates because there is a greater possibility that the issuer could default and fail to make payments.

Fixed income investment options
Investors consider fixed income for different reasons: a low-risk anchor for their portfolio, diversification from equities, inflation, or interest rate concerns, among others. Actively managed fixed income mutual funds can invest in bonds, notes, and other securities issued by governments and corporations in the US and almost any country in the world. For example:

  • US government bonds are considered the highest quality and safest, as the US has never defaulted on its debt. Sovereign debt of other countries, such as emerging markets, may be riskier, depending upon the country’s economic or political stability.
  • Corporate bonds, ranging from investment grade to high yield, are typically seen as somewhat riskier than US government bonds, and may have higher interest rates to compensate for the additional risk.
  • Bank loans are debt issued to a company by a bank or similar financial institution and repackaged for sale to investors. As bank loans are typically secured by the issuer’s assets and rank senior to the company’s other debt, they are considered less risky than other fixed income bonds. They sometimes offer a floating rate feature, where the adjusting rate can be helpful in a rising interest rate environment.
  • Municipal bonds are issued by a state, municipality, or county to finance its capital expenditures (construction of bridges, highways, schools). They are exempt from federal taxes and thus attractive to high income investors.
  • TIPS (Treasury Inflation-Protected Securities) are bonds issued by the US government wherein the principal value increases in line with inflation changes. They aim to protect investors from a loss of purchasing power due to inflation.

Choosing the right bond fund
Specific bond funds may offer one of the fixed income instruments listed above, or some combination thereof. Multisector funds, for example, make tactical allocations to different sectors for added return potential, and may help to hedge against interest rate or volatility risk. Bond funds are offered across an array of risk/return objectives, credit quality (investment grade or high yield), and the desired duration of income needs, from short-term to long-term investments, perhaps for retirement. Funds may also satisfy investors’ desire to support sustainability by integrating ESG (environmental, social, governance) considerations into the investment manager’s research and decision making process.

A fund’s specific investments can vary widely, based on the fund’s investment style, risk/return objectives, benchmark, and other factors. As a result, some fixed income funds may tend to be more stable, while others have greater potential for price fluctuations and growth.

With so many variables to consider, most financial advisors recommend actively managed fixed income mutual funds for their clients rather than individual bonds. Active bond funds offer experienced professional managers, a specified investment objective, diversification, and daily liquidity. For investors seeking exposure to certain fixed income indices, sectors, duration ranges, etc., the flexibility of actively managed ETFs may be a consideration.

Be sure to reach out to your financial advisor to discuss the right mix of fixed income investments for your needs. Depending on your age, risk tolerance, and overall income needs, your advisor can help you maintain an appropriate level of income diversification in your portfolio.

All investing involves risk, including the risk of loss. Investment risk exists with equity, fixed income, and alternative investments. There is no assurance that any investment will meet its performance objectives or that losses will be avoided.

Fixed income securities may carry one or more of the following risks: credit, interest rate (as interest rates rise, bond prices usually fall), inflation and liquidity.

Mortgage-related and asset-backed securities are subject to the risks of the mortgages and assets underlying the securities. Other related risks include prepayment risk, which is the risk that the securities may be prepaid, potentially resulting in the reinvestment of the prepaid amounts into securities with lower yields.

Below investment grade fixed income securities may be subject to greater risks (including the risk of default) than other fixed income securities.

Foreign and emerging market securities may be subject to greater political, economic, environmental, credit, currency and information risks. Foreign securities may be subject to higher volatility than US securities, due to varying degrees of regulation and limited liquidity. These risks are magnified in emerging markets.

Currency exchange rates between the US dollar and foreign currencies may cause the value of the fund's investments to decline.

Inflation protected securities move with the rate of inflation and carry the risk that in deflationary conditions (when inflation is negative) the value of the bond may decrease.

An exchange-traded fund, or ETF, is a marketable security that tracks an index, commodity, bond, or a basket of assets like an index fund. ETFs trade like common stock on a stock exchange and experience price fluctuations throughout the day as they are bought and sold. Short-term fixed income ETFs invest in fixed income securities with durations between one and five years.

Unlike passive investments, there are no indexes that an active investment attempts to track or replicate. Thus, the ability of an active investment to achieve its objectives will depend on the effectiveness of the investment manager.

Sustainable investing focuses on investments in companies that relate to certain sustainable development themes and demonstrate adherence to environmental, social and governance (ESG) practices; therefore the universe of investments may be limited and investors may not be able to take advantage of the same opportunities or market trends as investors that do not use such criteria. This could have a negative impact on an investor's overall performance depending on whether such investments are in or out of favor.


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Bond Basics: How Interest Rates Affect Bond Yields | Natixis Investment Managers (2024)

FAQs

How are bond yields affected by interest rates? ›

When the Fed increases the federal funds rate, the price of existing fixed-rate bonds decreases and the yields on new fixed-rate bonds increases. The opposite happens when interest rates go down: existing fixed-rate bond prices go up and new fixed-rate bond yields decline.

How does the bond market affect the stock market? ›

For bonds, an increase in real interest rates leads to an increase in bond yields and a decrease in prices. For stocks, increased borrowing costs can impact corporate profits and cash flows, leading to decreased demand from investors, and potentially causing stock prices to fall.

Do bond traders care more about yield to maturity or current yield? ›

To complicate things, the coupon rate may also be referred to as the yield from the bond. Generally, a bond investor is likelier to base a decision on an instrument's coupon rate. A bond trader is more likely to consider its yield to maturity.

What is the effect of a bond's investment rating on its yield? ›

The higher a bond's rating, the lower the interest rate it will carry, due to the lower risk, all else equal. The bond rating agencies rate all types of bonds, from corporate bonds to sovereign bonds.

Why do bond yields increase when interest rates rise? ›

Rising rates mean more income, which compounds over time, enabling bond holders to reinvest coupons at higher rates (more on this “bond math” below). Overall, higher rates offer the potential for greater income and total return in the future.

What happens to high yield bonds when interest rates go up? ›

When rates go up, bond prices typically go down, and when interest rates decline, bond prices typically rise. This is a fundamental principle of bond investing, which leaves investors exposed to interest rate risk—the risk that an investment's value will fluctuate due to changes in interest rates.

Should you buy bonds when interest rates are high? ›

Should I only buy bonds when interest rates are high? There are advantages to purchasing bonds after interest rates have risen. Along with generating a larger income stream, such bonds may be subject to less interest rate risk, as there may be a reduced chance of rates moving significantly higher from current levels.

Should you sell bonds when interest rates rise? ›

Unless you are set on holding your bonds until maturity despite the upcoming availability of more lucrative options, a looming interest rate hike should be a clear sell signal.

What is a bond yield for dummies? ›

Yield: This is a measure of interest that takes into account the bond's fluctuating changes in value. There are different ways to measure yield, but the simplest is the coupon of the bond divided by the current price. Face value: This is the amount the bond is worth when it's issued, also known as "par" value.

Is it better to buy bonds when yields are high or low? ›

Rising yields can create capital losses in the short term, but can set the stage for higher future returns. When interest rates are rising, you can purchase new bonds at higher yields. Over time the portfolio earns more income than it would have if interest rates had remained lower.

Do bond yields go up or down in recession? ›

The bond market is inversely correlated with the federal funds rate and short term interest rates. When interest rates drop during a recession, bond prices increase, and bond yields decrease. During periods of economic growth that follow a recession, interest rates start to increase.

Can you lose money on bonds if held to maturity? ›

Bonds are often touted as less risky than stocks—and for the most part, they are—but that does not mean you cannot lose money owning bonds. Bond prices decline when interest rates rise, when the issuer experiences a negative credit event, or as market liquidity dries up.

Does a higher bond rating mean a lower yield? ›

Bonds with higher ratings typically have a lower yield. Bonds with lower ratings generally offer higher yields, but the risk that the issuer will default is greater. You should carefully weigh the risks of investing in these bonds.

What causes bonds to sell for a premium? ›

A premium bond is a bond trading above its face value or costs more than the face amount on the bond. A bond might trade at a premium because its interest rate is higher than the current market interest rates.

Why do bond yields rise with inflation? ›

If market participants believe that there is higher inflation on the horizon, interest rates and bond yields will rise (and prices will decrease) to compensate for the loss of the purchasing power of future cash flows. Bonds with the longest cash flows will see their yields rise and prices fall the most.

Are bond yields inversely related to interest rates? ›

If interest rates decline to pre-COVID-19 levels (1-2%), then your bond will become much more valuable in the secondary market, as it pays a higher coupon rate and could sell for above its original purchase price. This is the inverse relationship between interest rates and bond prices.

Are high yield bonds affected by interest rates? ›

U.S. high-yield bonds feel the impact of rising rates like other higher-quality bonds, but usually less so.

How much is a $100 savings bond worth after 30 years? ›

How to get the most value from your savings bonds
Face ValuePurchase Amount30-Year Value (Purchased May 1990)
$50 Bond$100$207.36
$100 Bond$200$414.72
$500 Bond$400$1,036.80
$1,000 Bond$800$2,073.60

Do bonds go up when yields go down? ›

Yield is a general term that relates to the return on the capital you invest in a bond. Price and yield are inversely related: As the price of a bond goes up, its yield goes down, and vice versa.

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