International Securities Exchange Holdings

International Securities Exchange Holdings is the largest equity options exchange in the world based on contract trading volume.

International Securities Exchange Holdings, Inc. (ISE Holdings) operates two U.S. options exchanges, International Securities Exchange, LLC (ISE) and ISE Gemini, LLC (ISE Gemini), and delivers a superior trading experience to its member firms through its patented market structure, industry-leading technology, unique functionality for trading complex orders, and award-winning customer service. In addition to the options business, ISE ETF Ventures provides its partners with a broad range of capabilities in index development, index licensing, and financing of exchange-traded products. ISE Market Data also offers a full suite of advanced real-time and historical data solutions. ISE Holdings’ wholly-owned subsidiary Longitude licenses its proprietary technology for event-driven applications in a diverse range of industries.