CME Group Inc., headquartered in Chicago, Illinois, operates exchanges and provides clearing services for trading in financial derivatives such as futures contracts, options, and swaps. Its exchanges include the Chicago Mercantile Exchange, the Chicago Board of Trade, the New York Mercantile Exchange, and the Commodity Exchange. The company also owns 27% of S&P Dow Jones Indices. The company operates the Globex Trading System, an electronic trading platform that allows customers in approximately 150 countries to trade futures and options contracts. The company also operates two platforms for spot market trading: BrokerTec, which facilitates dealer-to-dealer trading in fixed-income products, and EBS, which provides spot trading in foreign exchange markets. CME Clearing serves as a counterparty to every transaction cleared by the company. Financial derivatives traded on CME's exchanges are tied to interest rates, stock market indexes, energy-related products, agricultural products, exchange currencies, metals, and cryptocurrency. Institutional trading represents 85% to 90% of the company's trading volume.