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CLEARING OPERATIONS - Clearing participant (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Clearing Operations |  |
Cboe Clear Europe central bank account | $ 841.4 | $ 772.4
Cboe Clear Europe reverse repurchase and other | 0.0 | 62.4
Cboe Clear U.S. customer bank deposits | 4.1 | 14.0
Total cash margin deposits, clearing funds, and interoperability funds | 845.5 | 848.8
Cboe Clear Europe non-cash contributions | 997.4 | 930.6
Margin Deposits |  |
Clearing Operations |  |
Cboe Clear Europe central bank account | 378.4 | 361.3
Cboe Clear Europe reverse repurchase and other | 0.0 | 2.7
Cboe Clear U.S. customer bank deposits | 4.1 | 14.0
Total cash margin deposits, clearing funds, and interoperability funds | 382.5 | 378.0
Cboe Clear Europe non-cash contributions | 691.4 | 637.0
Clearing Funds |  |
Clearing Operations |  |
Cboe Clear Europe central bank account | 173.7 | 140.1
Cboe Clear Europe reverse repurchase and other | 0.0 | 4.1
Cboe Clear U.S. customer bank deposits | 0.0 | 0.0
Total cash margin deposits, clearing funds, and interoperability funds | 173.7 | 144.2
Cboe Clear Europe non-cash contributions | 80.1 | 65.6
Interoperability Funds |  |
Clearing Operations |  |
Cboe Clear Europe central bank account | 289.3 | 271.0
Cboe Clear Europe reverse repurchase and other | 0.0 | 55.6
Cboe Clear U.S. customer bank deposits | 0.0 | 0.0
Total cash margin deposits, clearing funds, and interoperability funds | 289.3 | 326.6
Cboe Clear Europe non-cash contributions | $ 225.9 | $ 228.0

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