Chicago Board Options Exchange (CBOE), the largest U.S. options exchange and creator of listed options, began trading standardized, listed options in 1973.  CBOE offers equity, index and ETF options, including proprietary products, such as S&P 500 options (SPX), the most active U.S. index option, and options on the CBOE Volatility Index (VIX), self-described as the world's barometer for market volatility.   Other products engineered by CBOE include equity options, security index options, LEAPS options, FLEX options, and benchmark products, such as the CBOE S&P 500 BuyWrite Index (BXM).

CBOE's Hybrid Trading System incorporates electronic and open outcry trading, enabling customers to choose their trading method. CBOE's Hybrid is powered by CBOEdirect, a proprietary, state-of-the-art electronic platform that also supports the CBOE Futures Exchange (CFE), CBOE Stock Exchange (CBSX) and OneChicago.  CBOE is home to the Options Institute and CBOE.com, named "Best of the Web" for options information and education.

    C2.   C2 Options Exchange, an all-electronic exchange, is a wholly-owned subsidiary of CBOE Holdings, Inc.  C2 operates under a separate exchange license with its own rules and access structure, employing a market model that provides a maker-taker fee schedule and a modified price-time matching algorithm for multiply-listed classes.

    CBSX.   The CBOE Stock Exchange (CBSX) offers liquidity rebates and dedicated liquidity provision, all within a fully electronic strict price-time priority trading environment. A Regulation-NMS compliant facility of CBOE, CBSX runs on CBOE's highly reliable and versatile CBOEdirect trading platform - the same platform that powers the largest options exchange in the U.S.

    CFE.   CBOE Futures Exchange (CFE) is the home of volatility futures, featuring futures on the CBOE Volatility Index (VIX). CFE is owned by CBOE and its trades are cleared by the triple-A rated Options Clearing Corporation (OCC). CFE is an all-electronic, open access market model with dedicated market makers and market participants providing liquidity.  "Trading Volatility Has Never Been Easier."   [CBOE.com]