CME Group operates the world's largest derivatives exchange complex, listing and operating markets for futures and options contracts across six asset classes: interest rates, equity indices, FX, agricultural commodities, energy, and metals. Key benchmark products include SOFR and U.S. Treasury futures, E-mini S&P 500 and Nasdaq 100 futures, WTI crude oil, gold, corn and soybeans, and Bitcoin and Ether futures. Contracts trade electronically through CME's Globex platform, nearly 24 hours a day. Beyond derivatives, CME operates BrokerTec (U.S. Treasury and repo cash markets), EBS (spot FX), a derivatives clearing house that acts as central counterparty to every trade, and a market data business selling real-time and historical data to financial institutions globally. CME earns revenue primarily by charging a fee per contract traded and cleared, meaning total revenue is a function of volume and rate per contract. CME's cost structure is largely fixed, so incremental volume drives high incremental margins. CME also earns a spread on cash and non-cash collateral posted by clearing members against open positions. The market data business is subscription-based and recurring, with annual price increases. CME pursues growth through retail expansion — partnering with roughly 130 retail broker platforms and offering micro-sized contracts — product innovation, international expansion, and a new securities clearing business targeting U.S. Treasury and repo clearing mandates. CME returns most earnings to shareholders through a regular quarterly dividend and a large annual variable dividend.