A corporate bond is a loan you make to a company, and the company pays you back with interest

When you buy a corporate bond, you are lending money to a business. The company promises to pay you interest on that loan at regular intervals—usually twice a year—and to return your full investment on a set date called the maturity date. That date might be 5 years away, 10 years away, or 30 years away, depending on the bond.

Unlike a stock, which makes you a partial owner of the company, a bond makes you a creditor. The company owes you money, just as it owes money to a bank. If the company does well or poorly, the bond payment stays the same. You get what was promised, nothing more and nothing less—unless the company fails to pay, which is rare but possible.

Corporate bonds are issued by companies of all sizes: large corporations you know by name, mid-sized manufacturers, utilities, retailers, and financial firms. They use the money they raise from selling bonds to build factories, buy equipment, pay off other debts, or fund operations.

Key Takeaways

  • A corporate bond is a debt security where you lend money to a company and receive regular interest payments plus your principal back at maturity.
  • The interest rate (called the coupon) depends on how risky the bond is and what interest rates are in the broader economy.
  • Corporate bonds are traded on secondary markets, so you can sell before maturity, but the price you get depends on current interest rates and the company's financial health.
  • Investment-grade bonds are considered safer; high-yield (junk) bonds offer higher interest but carry real risk of default.
  • You can own corporate bonds directly or through a bond fund or ETF, which spreads your risk across many bonds.

How the interest rate on a corporate bond is set

The interest rate—called the coupon rate—is determined when the bond is first issued. It reflects two main things: the general level of interest rates in the economy at that moment, and how risky the lender (the company) appears to be.

If the Federal Reserve has raised interest rates, new corporate bonds will offer higher coupons to compete with other investments. If a company has a strong balance sheet, a long history of paying debts on time, and stable earnings, it can offer a lower coupon because investors trust it. If a company is newer, has high debt already, or operates in a shaky industry, it must offer a higher coupon to attract lenders willing to take the risk.

Once the coupon is set, it does not change. If you buy a bond paying 5% and hold it to maturity, you get 5% per year for the life of the bond, even if interest rates in the economy rise to 7% or fall to 2%.

Why bond prices move even though the coupon stays fixed

After a bond is issued, it can be bought and sold on the secondary market, just like a stock. The price you pay if you buy an existing bond is not always the same as its face value (the amount the company will pay back at maturity).

If interest rates in the economy rise after your bond was issued, new bonds will offer higher coupons. Your old bond, paying a lower coupon, becomes less attractive. To sell it, you have to accept a lower price—a discount—to make the total return competitive. The opposite happens if rates fall: your bond's higher coupon becomes valuable, and you can sell it for more than face value.

This matters if you need to sell before maturity. If you hold the bond until it matures, you get your full face value back regardless of what price you paid. But if you sell early, you might get less or more than you paid, depending on how interest rates have moved.

Investment-grade versus high-yield bonds

Rating agencies like Moody's, S&P, and Fitch assign grades to corporate bonds based on the company's ability to pay. Investment-grade bonds are rated BBB or higher (using S&P's scale) and are considered relatively safe. They come from established companies with steady cash flow and manageable debt levels.

High-yield bonds, also called junk bonds, are rated below BBB. They come from companies with weaker finances, higher debt, or less predictable earnings. The company offers a much higher coupon—sometimes 6%, 8%, or even higher—to compensate investors for the real risk that the company might not pay.

The difference matters. An investment-grade bond from a utility company might pay 4%, while a high-yield bond from a struggling retailer might pay 8%. The extra 4% is not assistance programs; it is compensation for the chance that the retailer defaults and you lose part or all of your investment. During economic downturns, high-yield bonds often fall sharply in price because the default risk rises.

How to own corporate bonds: direct ownership versus funds

You can buy individual corporate bonds through a brokerage account, just as you would buy stocks. You need a minimum investment—often $1,000 to $5,000 per bond—and you pay a commission or markup to the broker. Owning individual bonds lets you hold them to maturity and collect the full face value, which is predictable if the company does not default.

Many people instead own corporate bonds through a bond fund or bond ETF. These are pools of many bonds managed by a professional. You buy shares of the fund, and your money is spread across dozens or hundreds of bonds. This reduces the risk that any single company's default will hurt you much. Bond funds charge an annual fee (typically 0.1% to 0.5% for ETFs, higher for actively managed funds), and the price of the fund shares moves daily based on interest rates and credit conditions, just like individual bond prices do.

Bond funds are more liquid—you can sell your shares any day the market is open—but you do not get a may provide return of principal at a set date. Individual bonds are less liquid but offer certainty if held to maturity.

What happens if a company defaults on a bond

Default means the company stops paying interest or fails to return your principal at maturity. It is uncommon for investment-grade bonds—default rates are typically under 1% per year—but it does happen, especially during recessions or in industries facing disruption.

If a company defaults, you do not automatically lose everything. Bondholders are creditors and have a claim on the company's assets ahead of stockholders. In bankruptcy, the company's assets are sold and the proceeds are distributed: secured creditors (like banks with collateral) get paid first, then bondholders, then stockholders. You might recover 50 cents on the dollar, or 10 cents, or nothing, depending on how much the company is worth and how many creditors are ahead of you.

This is why credit rating and the company's financial health matter. A company with strong cash flow and low debt is far less likely to default than one that is already struggling.

The relationship between corporate bonds and the broader economy

Corporate bond prices and yields move with economic conditions. When the economy is strong and companies are profitable, investors feel confident and are willing to accept lower yields. Bond prices rise. When recession looms or a company's industry faces trouble, investors demand higher yields to compensate for risk. Bond prices fall.

The Federal Reserve's interest rate decisions also matter. When the Fed raises rates, newly issued bonds offer higher coupons, making existing bonds with lower coupons less valuable. When the Fed cuts rates, the opposite happens. Long-term bond investors have to think about where interest rates are headed, not just where they are today.

Frequently Asked Questions

Can I lose money on a corporate bond if I hold it to maturity?

Yes, if the company defaults and cannot pay. But if the company stays solvent, you get your full principal back at maturity, regardless of what the bond's price was in the market. Default risk is real but low for investment-grade bonds. High-yield bonds carry meaningful default risk.

What is the difference between a corporate bond and a Treasury bond?

A Treasury bond is issued by the U.S. government and backed by the government's taxing power. Default risk is essentially zero. A corporate bond is issued by a company and backed only by that company's ability to pay. Corporate bonds offer higher yields because they carry more risk.

Should I buy individual bonds or a bond fund?

Individual bonds work well if you have enough money to diversify across several bonds and you want predictable income until maturity. Bond funds are simpler if you have less money or want professional management and daily liquidity. Funds charge ongoing fees but reduce the impact of any single default.

What happens to my bond if interest rates fall?

If you hold the bond to maturity, nothing—you still get your coupon and full principal back. If you sell before maturity, the bond's price rises because its coupon is now more attractive than new bonds paying lower rates. This is a gain if you sell.

How do I know if a bond is safe?

Check the credit rating from Moody's, S&P, or Fitch. BBB or higher is investment-grade and generally safer. Below BBB is high-yield and carries real default risk. Also look at the company's debt level, cash flow, and industry. A strong company in a stable industry is safer than a weak one in a declining industry.