The Western Asset High Yield Defined Opportunity Fund Inc. functions as a closed-end investment vehicle, concentrating its portfolio on fixed-income assets. Its inception and primary oversight are managed by Legg Mason Partners Fund Advisor, LLC. Additionally, a collective of entities including Western Asset Management Company, Western Asset Management Company Pte. Ltd., Western Asset Management Company Ltd, and Western Asset Management Company Limited contribute to its co-management. The fund strategically allocates capital across global fixed-income markets, with a particular focus on high-yielding corporate debt instruments. These securities often possess diverse maturity profiles and are typically categorized as below investment grade. Established on July 20, 2010, the fund is legally based in the United States.