v3.26.1
CLEARING OPERATIONS - Clearing Participant (Details)
$ in Millions
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Clearing Operations    
Cboe Clear Europe central bank account $ 245.6 $ 1,156.5
Cboe Clear Europe reverse repurchase and other 2,292.9 460.5
Cboe Clear U.S. customer bank deposits 3.8 1.2
Total cash margin deposits, default fund, and interoperability fund 2,542.3 1,618.2
Cboe Clear Europe non-cash contributions $ 1,298.2 949.0
Minimum collateralization, as a percent 1.02  
Margin Deposits    
Clearing Operations    
Cboe Clear Europe central bank account $ 167.1 755.3
Cboe Clear Europe reverse repurchase and other 1,520.1 137.1
Cboe Clear U.S. customer bank deposits 3.8 1.2
Total cash margin deposits, default fund, and interoperability fund 1,691.0 893.6
Cboe Clear Europe non-cash contributions 864.9 601.3
Default Fund    
Clearing Operations    
Cboe Clear Europe central bank account 16.9 146.8
Cboe Clear Europe reverse repurchase and other 279.5 135.2
Cboe Clear U.S. customer bank deposits 0.0 0.0
Total cash margin deposits, default fund, and interoperability fund 296.4 282.0
Cboe Clear Europe non-cash contributions 70.0 70.1
Interoperability Fund    
Clearing Operations    
Cboe Clear Europe central bank account 61.6 254.4
Cboe Clear Europe reverse repurchase and other 493.3 188.2
Cboe Clear U.S. customer bank deposits 0.0 0.0
Total cash margin deposits, default fund, and interoperability fund 554.9 442.6
Cboe Clear Europe non-cash contributions $ 363.3 $ 277.6