CME GROUP INC revenue for the last year amounted to 5.05 B EUR, the most of which — 4.16 B EUR — came from its highest performing source at the moment, Clearing and Transaction, the year earlier bringing 3.87 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought CME GROUP INC 4.73 B EUR, and the year before that — 4.39 B EUR.