The American Stock Exchange (AMEX) is the third-largest options exchange in the United States, known for pioneering index options on broad-based and sector indices. Acquired by NYSE Euronext in 2008, AMEX combines electronic trading with a human-based open outcry system.
The world's oldest futures and options exchange, the Chicago Board of Trade (CBOT) was formed in 1848 as a centralized marketplace for the grain trade. Over the years, its product line has expanded to include numerous contracts on agricultural commodities and financial instruments.
