Interactive Brokers Group 

Interactive Brokers Group, Inc. operates as an automated electronic broker in the United States and internationally. The company engages in the execution, clearance, and settlement of trades in stocks, options, futures, foreign exchange instruments, bonds, mutual funds, exchange traded funds (ETFs), precious metals, and cryptocurrencies. It also offers custody and service accounts for hedge and mutual funds, ETFs, registered investment advisors, proprietary trading groups, introducing brokers, and individual investors. In addition, the company provides custody, prime brokerage, securities, and margin lending services. It serves institutional and individual customers through electronic exchanges and market centers. Interactive Brokers Group, Inc. was founded in 1977 and is headquartered in Greenwich, Connecticut.