OTC Markets Group Inc. revenue for the last year amounted to 106.66 M USD, the most of which — 46.93 M USD — came from its highest performing source at the moment, Corporate Services, the year earlier bringing 47.80 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought OTC Markets Group Inc. 72.08 M USD, and the year before that — 68.99 M USD.