The CME Group is one of the world's largest options exchanges and the largest futures exchange in the world, based in Chicago in the state of Illinois, the company was formed on July 12, 2007 through the merger of the Chicago Board of Trade and Chicago Mercantile Exchange.
CME Group stock (symbol: CME) underwent one stock split.The stock split occurred on July 23rd, 2012.One CME share bought prior to July 23rd, 2012 would equal to 5 CME shares today.