Interactive Brokers
 Interactive Brokers Group Inc. (IB) is a U.S. based online discount brokerage firm headquartered in Greenwich CT in the United States and with offices in Budapest Chicago Hong Kong London Montreal Mumbai Shanghai Saint Petersburg Sydney Tallinn Tokyo and Zug. The IB Group consists of subsidiaries operating on most major stock option futures forex bond ETF and CFD exchanges worldwide.IB is regulated by the U.S.