Interactive Brokers Group, Inc. revenue for the last year amounted to 4.34 B USD, the most of which — 4.34 B USD — came from its highest performing source at the moment, Electronic Brokerage, the year earlier bringing 3.07 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Interactive Brokers Group, Inc. 3.03 B USD, and the year before that — 2.12 B USD.