“On April 6, 2018, Guggenheim Investments closed the sale of its ETF business to Invesco, Ltd. The Guggenheim ETFs have been transitioned, or are in the process of being transitioned to become part of the Invesco fund family. For information on the transition please click here for information concerning the ETFs.” The former Guggenheim ETFs are now integrated into the Invesco Powershares offerings. For a list of the newly integrated Powershares ETF list, click here. All the Invesco ETFs are included in the constituentdata42.csv file and are updated daily. For a list of all included indexes and ETFS, click here.