Patrick H. Arbor

CBOE Livevol LLC provides equity and index options technology and market data services. It offers a spectrum of technology and data solutions including a consolidated feed, real-time programmatic analysis and scanning, historical files and back testing, real-time decision support, flat files, XML web services, web components, custom development and consulting. The company was founded by Stefen Choy in 2009 and is headquarters in Chicago, IL.^ ^

National Futures Association is a self-regulatory organization for the derivatives industry. The non-profit company is based in Chicago, IL. The company's focus is on providing innovative and effective regulatory programs. The company was founded by Leonid Adolfovich Melamed.

NYSE Chicago Holdings, Inc. provides stock exchange and ancillary services. The company was founded in 2005 and is headquartered in Chicago, IL.

Cboe Exchange, Inc. provides options exchange services. It trades equity options, security index options, options on exchange traded notes and products, binary options, one-week and quarterly options, long-term equity anticipation securities options, and flexible exchange options. The firm also provides information on various stock and options trading strategies, options trading tools, stock and option quotes and data; and options information and education. Additionally, they offer access to product information, conference notices, portfolio management tools, and educational materials for institutional investors and products and strategies for advisors to protect client’s portfolios. The company was founded in 1973 and is headquartered in Chicago, IL.