Richard G. DuFour

IPXI Holdings LLC operates as a holding private company. The company is based in Greenwich, CT.

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.

OneChicago LLC engages in providing electronic exchange services. It focuses on futures on individual stocks, narrow-based indexes, and ETFs. The firm offers single stock futures exchange services to invest and trade equity products for traders, brokers, and investors. It also provides market data, including quotes, list of market data vendors, market data vendor fees and licensing and various products. The company was founded in 2001 and is headquartered in Chicago, IL.