Gary Katz

The Options Clearing Corp. provides equity derivatives clearing services. It provides central counterparty clearing and settlement services to stock exchanges and trading platforms for options, financial futures, security futures and securities lending transactions. The company was founded in 1973 and is headquartered in Chicago, IL.

New York Stock Exchange, Inc. operates securities exchange market. The company offers services to equity and stock market participants like listed companies, individual and institutional investors, and member firms of the stock exchange. It bring together cash equities and derivatives exchange for listings, trading in cash equities, equity and interest rate derivatives, bonds, and the distribution of market data. New York Stock Exchange was founded in 1792 and is headquartered in New York City, NY

Nasdaq ISE LLC operates equity and trading options exchange. It transformed the options industry by creating efficient markets through innovative market structure and technology. It provides investors with a transparent marketplace for price and liquidity discovery on centrally cleared options products. The company was founded by David Krell in May 2000 and is headquartered in New York, NY.

Direct Edge Holdings LLC operates an electronic communication network for trading financial products. It trades all listed U.S. equities with a market share in the, the company regularly trades shares, fluctuating with the overall market volume. It operates two separate platforms, EDGA Exchange and EDGX Exchange. The EDGA Exchange is a low cost exchange with a taker and maker pricing model. The EDGX Exchange is an exchange with maker and taker pricing model offering high rebates for liquidity providers. The company was founded in 1998 and is headquartered in Jersey City, NJ.

Eurex Zuerich AG engages in electronic trading with financial market products such as options, futures, securities lending, and repurchase agreements. It also provides services in electronic stock exchange trading, particularly in the area of software development, as well as processing and provision of financial data. The company was founded on December 19, 1986 and is headquartered in Zurich, Switzerland.

Eurex Frankfurt AG operates as a futures and options exchange. The company provides access to futures and options market for European derivatives and offers clearing services for derivatives, equities, and bonds repos. It offers a range of products such as interest rate, equity, equity index, volatility index, and exchange traded funds derivatives. The company was founded in December, 1996 and is headquartered in Frankfurt am Main, Germany.

International Securities Exchange Holdings, Inc. operates and regulates a registered national securities exchange. The company was founded in September 1997 and is headquartered in New York, NY.