What does this Practice Note cover? This Practice Note provides an introduction to high yield bonds. It looks at: • the investors in these instruments, such as institutional investors and funds • the reasons for investing in them, including their advantages as compared to loans (for example, higher potential returns) • the entities that issue these instruments, typically corporates with sub-investment grade credit ratings, and • an overview of the high yield bond market, including its size, key participants, and typical features What are high yield bonds? Bonds are capital markets instruments representing a form of debt security. For more information on capital markets and bond issues, see Practice Note: Key features of the debt capital markets. High yield bonds, also known as junk bonds or speculative grade bonds, are bonds that generally offer investors higher rates of return than other types of corporate bonds because they are deemed to be riskier investments. High yield bonds are bonds that typically have been rated as sub-investment grade (Ba1/BB+ and below) at issuance by one