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.
According to CME Group's latest financial reports and stock price the company's current number of shares outstanding is 359,686,000. At the end of 2025 the company had 359,686,000 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.