v3.22.2.2
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 9 Months Ended
Sep. 30, 2022
Accounting Policies [Abstract]  
Schedule of Concentration of Credit Risk
We derived transaction-based revenues from individual market makers in excess of 10% of total revenues, as follows:
Three Months Ended
September 30,		Nine Months Ended
September 30,
2021202220212022
Market maker:
Citadel Securities, LLC23 %12 %21 %17 %
Entities affiliated with Susquehanna International Group, LLP(1)
13 %6 %11 %9 %
Entities affiliated with Wolverine Holdings, L.P.(2)
13 %6 %10 %8 %
Tai Mo Shan Limited(3)
8 %2 %17 %4 %
All others individually less than 10%16 %30 %19 %25 %
Total as percentage of total revenue:73 %56 %78 %63 %
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(1)Consists of Global Execution Brokers, LP and G1X Execution Services, LLC
(2)Consists of Wolverine Execution Services, LLC and Wolverine Securities, LLC
(3)Member of Jump Trading Group