Interactive Brokers Group, Inc. operates as an automated electronic broker worldwide. It specializes in executing and clearing trades in securities, futures, foreign exchange instruments, bonds, and mutual funds. The company custodies and services accounts for hedge and mutual funds, registered investment advisors, proprietary trading groups, introducing brokers, and individual investors. In addition, it offers custody, prime brokerage, securities, and margin lending services. Further, the company provides electronic execution and clearing services. It serves institutional and individual customers through approximately 120 electronic exchanges and market centers. The company was founded in 1977 and is headquartered in Greenwich, Connecticut.