SPDR Series Trust - SPDR Portfolio High Yield Bond ETF is an exchange traded fund launched by State Street Global Advisors, Inc. The fund is managed by SSGA Funds Management, Inc. It invests in the fixed income markets of the United States. The fund invests in U.S. dollar denominated below investment grade corporate debt securities rated by Moody's, Fitch, or S&P. It invests in securities with at least 18 months remaining to final maturity. It seeks to track the performance of the ICE BofA US High Yield Index, by using representative sampling technique. SPDR Series Trust - SPDR Portfolio High Yield Bond ETF was formed on June 18, 2012 and is domiciled in the United States.