The Chicago Mercantile Exchange (CME) was first opened in 1898 as the Chicago Butter and Egg Board and adopted its current name in 1919. The exchange became public in 2002 and since its inception, it has been a leading center for risk management products, such as options, futures, and other derivatives. The CME uses two systems of trading. The first system is the original mode of trading, called the “open outcry” system.