Fixed income refers to investment securities that pay investors fixed interest payments until the maturity date. The most commonly known fixed income investments are government, municipalities and corporate bonds, but CDs and money market funds are also types of fixed income., A fixed income security is an investment that pays regular income in the form of a coupon payment, interest payment or preferred dividend., Fixed income securities are a broad class of very liquid and highly traded debt instruments, the most common of which is a bond., Fixed income investing is a lower-risk strategy that focuses on generating consistent payments from investments such as bonds, money-market funds and certificates of deposit, or CDs. Here's what , Fixed-income securities also trade differently than equities. Whereas equities, such as common stock, trade on exchanges or other established trading venues, many fixed-income securities trade over-the-counter on a principal basis. [1] The term "fixed" in "fixed income" refers to both the schedule of obligatory payments and the amount., Fixed-income securities, like bonds and treasury bills, provide regular interest payments and predictable income with principal repayment at maturity. Common types of fixed-income securities include government bonds, corporate bonds, municipal bonds, and mortgage-backed securities..