CBOE Holdings, Inc. (CBOE Holdings) is the holding company. The primary business of the Company is the operation of markets for the trading of listed, or exchange-traded, options contracts on three broad product categories: the stocks of individual corporations (equity options), various market indexes (index options) and other exchange-traded products (ETP options), such as exchange-traded funds (ETF options) and exchange-traded notes (ETN options). The Company offers futures products through its futures market. In 2012, the Company introduced S&P 500 Range options on CBOE, and the CBOE NASDAQ-100 Volatility Index futures and S&P 500 Variance futures, all traded on CFE. Security futures and options on the CBOE Emerging Markets ETF Volatility Index, the CBOE Brazil ETF Volatility Index and the CBOE Crude Oil ETF Volatility Index were also launched on CFE and CBOE, respectively.