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Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Fixed income is an investment category built mainly around debt: an investor lends money to a government or company in exchange for payments set by the security’s terms. Bonds are its best-known example. The payments may be predictable, but the investment is not risk-free: a bond’s market price can change before maturity, and an issuer may fail to pay. Bond yields and interest rates also influence borrowing, saving, spending, and investment across the economy, though their effects unfold with delays and alongside many other forces.
What does fixed income mean?
Fixed income refers to investments that represent debt and are designed to provide cash flows under stated terms. When you buy a bond, you are lending money to its issuer. The issuer promises to pay interest, if applicable, and repay principal according to the bond’s terms. Governments, municipalities, and companies issue bonds.
The label “fixed” can be misleading. It often describes a contractual coupon or payment schedule—not a guaranteed return, a guaranteed payment, or a market price that stays unchanged. Some fixed-income securities have floating payments, and some, such as zero-coupon bonds, make no periodic interest payments.
A bond has a face value, a maturity date, and terms governing its payments. Its market price before maturity can be higher or lower than its face value. If you sell before maturity, the price you receive depends on market conditions and the bond’s features; it may produce a gain or a loss.
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What are the main types of bonds?
U.S. Treasury securities
Treasuries are debt securities issued by the U.S. government. Investor.gov describes Treasury bills as short-term securities that can mature from a few days through 52 weeks, Treasury notes as securities with maturities of up to ten years, and Treasury bonds as longer-term securities that typically mature in 30 years. These are instrument definitions, not a statement of current yields. Treasury Inflation-Protected Securities (TIPS) adjust principal based on changes in the Consumer Price Index and pay interest every six months. Investor.gov’s bond overview explains these categories.
Municipal bonds
Municipal bonds are issued by states, cities, counties, and other government entities. General-obligation bonds are backed by an issuer’s general fund or specific taxes, according to Investor.gov. Interest is generally exempt from federal income tax and may also be exempt from state and local taxes for residents of the issuing state. Tax treatment depends on the security and the investor’s circumstances, so do not assume every municipal bond or investor receives the same treatment. Investor.gov outlines municipal bonds and related considerations.
Corporate bonds
Companies issue corporate bonds to borrow money. Their credit quality varies: investment-grade bonds and high-yield bonds represent different levels of credit risk, including the risk that an issuer will not make promised payments. Corporate debt may be short-, medium-, or long-term. A bond’s label alone does not establish whether it is suitable; issuer capacity to pay and the bond’s specific terms matter. See the FINRA overview of bonds.
Fixed-rate, floating-rate, and zero-coupon structures
- Fixed-rate bonds: Pay a stated coupon that does not change with market rates during the coupon period.
- Floating-rate bonds: Reset interest payments periodically against a benchmark or index, so payments can change as rates change.
- Zero-coupon bonds: Pay no periodic coupon. The investor receives a payment at maturity above the purchase price; the difference is the investment return before applicable taxes and costs.
These categories describe payment structures, while Treasury, municipal, and corporate describe issuers. A bond can therefore fit both kinds of description. FINRA’s bond information discusses bond structures and risks.
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Why can a bond’s price fall when interest rates rise?
Existing fixed-rate bond prices generally move in the opposite direction from market interest rates. If new bonds offer higher coupons, an older bond with a lower fixed coupon may need to sell for less to attract a buyer. If market rates fall, the older bond’s fixed payments may look more attractive, which can support a higher price.
This relationship matters most when a bond is sold before maturity: the sale price reflects prevailing market conditions, not just the original purchase price or face value. Investor.gov summarizes the relationship as “When Interest Rates Go Up, Prices of Fixed-Rate Bonds Fall” in its bond guide.
What risks do fixed-income investments carry?
- Interest-rate risk: A change in market rates can change the price of an existing fixed-rate bond. Selling before maturity can realize a loss or a gain.
- Credit and default risk: The issuer may fail to make interest or principal payments. The issuer’s financial capacity and credit quality are central considerations.
- Inflation risk: Inflation reduces the purchasing power of fixed payments. TIPS adjust principal with an inflation index, but that does not remove every investment risk.
- Liquidity risk: You may not find a buyer quickly at the time or price you want.
- Call and reinvestment risk: Some bonds can be repaid early under their terms. If that happens, you may need to reinvest when available rates are lower.
Holding a performing bond to maturity generally means receiving its face value under the bond’s terms, but it does not guarantee that the issuer will perform, preserve the investment’s purchasing power, or protect you from the opportunity cost of having committed money at a particular rate. The SEC’s Investor.gov bond guide describes these risks.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How do bond markets and interest rates affect the economy?
The Federal Reserve’s policy rate influences other interest rates and broader financial conditions. Those conditions affect the cost of credit for households and businesses. When borrowing becomes cheaper, households may spend more and firms may find investment more attractive. Stronger demand can support hiring and put pressure on wages and other costs. Higher real interest rates tend to make borrowing more expensive and restrain economic activity and price growth.
These are transmission channels, not automatic outcomes. Policy affects the economy with lags, and the Federal Reserve notes that the links between monetary policy, inflation, and employment are neither direct nor immediate. Many other forces also influence economic activity and prices. See the Federal Reserve’s explanations of monetary policy goals and how policy works and monetary policy and the economy.
Bond markets are part of this process because Treasury and corporate yields influence financing costs, while rate changes affect the prices of bonds already outstanding. These changes matter to borrowers, savers, investors, and institutions that hold bonds. Fixed income is one channel through which financial conditions reach the wider economy; it does not by itself determine whether the economy grows, contracts, adds jobs, or experiences inflation.
How should you compare two bonds?
Compare securities on the same dimensions rather than relying on a headline yield or issuer category alone:
- Issuer and credit quality: Who owes the payments, and what is the risk of missed payments?
- Maturity: When is principal due, and how long might your money be committed?
- Coupon and reset terms: Is the rate fixed or floating, and, if it resets, what benchmark and schedule apply?
- Price and yield: What would you pay, and what return does that price imply under the bond’s terms?
- Interest-rate sensitivity: How could changes in market rates affect the price if you need to sell early?
- Liquidity: How readily could you sell at a reasonable price?
- Inflation exposure: How might inflation affect the purchasing power of payments?
- Call or prepayment provisions: Can the issuer repay early, and what would that mean for your plans?
- Municipal tax treatment: If relevant, how does the specific bond’s tax treatment apply to your situation?
Terms vary from bond to bond, so review the offering or account documents for the specific security rather than assuming every bond in a category works the same way.
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