SPDR Nuveen Bloomberg High Yield Municipal Bond 

The fund invests substantially all, but at least 80%, of its total assets in the securities comprising the index and in securities that the Sub-Adviser determines have economic characteristics that are substantially identical to the economic characteristics of the securities that comprise the index. The index measures the performance of USD-denominated high-yield municipal bonds issued by U.S. states, the District of Columbia, U.S. territories and local governments or agencies.