When you invest in a bond, you are effectively acting as a lender to a government or corporation. The issuer commits to paying you regular interest at a predetermined rate, known as the coupon, and repays the original investment—called the principal or face value—once the bond reaches its maturity date. Unlike stocks, which represent ownership in a company, bonds are debt instruments that prioritize repayment, making them a more stable option for conservative investors.

The primary way investors earn from bonds is through interest payments, which are typically distributed semiannually or quarterly. Additionally, bonds can appreciate in value if market conditions change favorably. For example, if interest rates decline after you purchase a bond, its fixed coupon may become more attractive, increasing its market price. However, selling a bond before maturity carries risks—if interest rates rise, bond prices tend to fall, potentially leading to a loss if you need to sell early.

Bonds are often favored for their ability to provide consistent income while mitigating risk. Retirees and risk-averse investors particularly value them for their predictable cash flow. Another advantage is their seniority in repayment—if a company faces financial distress, bondholders are paid before shareholders. Furthermore, bonds can counterbalance stock market volatility, as they often perform well when equities decline. Some bonds, such as municipal bonds, also offer tax-free income, making them appealing to investors in higher tax brackets.

Despite their stability, bonds are not without risks. Interest rate fluctuations can impact bond prices, and lower-rated bonds (such as high-yield or "junk" bonds) carry a higher risk of default. Investors should assess the issuer’s creditworthiness and align bond maturities with their financial goals. By carefully selecting bonds, investors can enhance portfolio stability while generating reliable returns over time.