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CLEARING OPERATIONS - Cboe Clear Digital (Details)
$ in Millions
Sep. 30, 2023
USD ($)
jurisdiction
Dec. 31, 2022
USD ($)
Clearing Operations    
Customer bank deposits $ 15.8 $ 12.7
Digital assets - safeguarded assets 40.2 22.9
Total $ 56.0 $ 35.6
Cboe Clear Digital    
Clearing Operations    
Number Of U.S. Jurisdictions authorized | jurisdiction 50