The Chicago Board Options Exchange (CBOE) is a leading marketplace for trading options on various financial instruments, including stocks and indexes. Established in 1973, it was the first exchange to list standardized options, allowing investors to buy and sell options contracts more efficiently. CBOE plays a crucial role in the financial markets by providing a platform for price discovery and risk management. It offers a range of products, including equity options, index options, and exchange-traded products, catering to both individual and institutional investors.