As of December 28, 2018, Invesco Exchange-Traded Self-Indexed Fund Trust - Invesco BulletShares 2018 High Yield Corporate Bond ETF has gone out of business. Invesco Exchange-Traded Self-Indexed Fund Trust - Invesco BulletShares 2018 High Yield Corporate Bond ETF is an exchange traded fund launched and managed Invesco Capital Management LLC. It invests in the fixed income markets of developed countries across the globe. The fund invests in U.S. dollar-denominated corporate bonds with effective maturities in the year 2018. It invests in high yield securities which are rated between BB+ and CCC- by S&P and Fitch and between Ba1 and Caa3 by Moody’s. The fund seeks to track the performance of the NASDAQ BulletShares USD High Yield Corporate Bond 2018 Index, by using representative sampling technique. Invesco Exchange-Traded Self-Indexed Fund Trust - Invesco BulletShares 2018 High Yield Corporate Bond ETF was formed on April 25, 2012 and is domiciled in the United States.