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Overview

Interactive Brokers Group, Inc. (IB) is an online discount brokerage firm in the United States. The company traces its origin to 1977 when Thomas Peterffy bought a seat on the American Stock Exchange as an individual market maker, and formed T.P. & Co. the following year. Today, the company consists of many subsidiaries around the world, operating on most major stock, futures, bonds, forex, and options exchanges worldwide.