CME Group Inc. is a financial services company. Headquartered in Chicago, the company operates financial derivatives exchanges including the Chicago Mercantile Exchange, Chicago Board of Trade, New York Mercantile Exchange, and The Commodity Exchange. The company also owns 27% of S&P Dow Jones Indices. It is the world's largest operator of financial derivatives exchanges. Its exchanges are platforms for trading in agricultural products, currencies, energy, interest rates, metals, futures contracts, options, stock indexes, and cryptocurrencies futures. In addition to its headquarters in Chicago, the company also has offices in New York, Washington, and Houston in the U.S., as well as abroad in London, Bangalore, Beijing, Belfast, Calgary, Hong Kong, Seoul, Singapore, and Tokyo. Wikipedia