The State Street SPDR Nuveen ICE High Yield Municipal Bond ETF seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of the ICE US Select High Yield Crossover Municipal IndexThe Index is market capitalization-weighted and designed to measure the performance of lower-rated (A3/A+ or lower) and unrated U. S. dollar-denominated tax-exempt debt publicly issued in the U. S. domestic market by U.