Chicago Mercantile Exchange
- noun a commodity market based in Chicago, trading in livestock futures, and in financial futures on the IMM.
- Also known as the Chicago Merc or the Merc, the CME is a derivative exchange originally founded in 1898. The CME merged with the Chicago Board of Trade in 2007 to form part of the CME Group, Inc. The CME hosts trading of a range of financial instruments, including currencies, commodities, equities, and interest rates.