As of December 30, 2016, Claymore Exchange-Traded Fund Trust - Guggenheim BulletShares 2016 Corporate Bond ETF has gone out of business. Claymore Exchange-Traded Fund Trust - Guggenheim BulletShares 2016 Corporate Bond ETF is an exchange traded fund launched and managed by Guggenheim Funds Investment Advisors, LLC. It invests in 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 2016. It invests in investment-grade securities rated BBB- and above by S&P and Fitch and Baa3 and above by Moody’s. The fund seeks to track the performance of the NASDAQ BulletShares USD Corporate Bond 2016 Index, by using representative sampling technique. It was formerly known as Claymore Exchange-Traded Fund Trust - Claymore BulletShares 2016 Corporate Bond ETF. Claymore Exchange-Traded Fund Trust - Guggenheim BulletShares 2016 Corporate Bond ETF was formed on June 7, 2010 and is domiciled in the United States.