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CLEARING OPERATIONS - Clearing participant (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
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Clearing Operations |  |
Cboe Clear Europe central bank account | $ 1,690.7 | $ 772.4
Cboe Clear Europe reverse repurchase and other | 342.8 | 62.4
Cboe Clear Digital customer bank deposits | 5.5 | 14.0
Total cash margin deposits, clearing funds, and interoperability funds | 2,039.0 | 848.8
Cboe Clear Europe non-cash contributions | 980.9 | 930.6
Margin Deposits |  |
Clearing Operations |  |
Cboe Clear Europe central bank account | 1,262.2 | 361.3
Cboe Clear Europe reverse repurchase and other | 63.8 | 2.7
Cboe Clear Digital customer bank deposits | 5.5 | 14.0
Total cash margin deposits, clearing funds, and interoperability funds | 1,331.5 | 378.0
Cboe Clear Europe non-cash contributions | 621.8 | 637.0
Clearing Funds |  |
Clearing Operations |  |
Cboe Clear Europe central bank account | 186.8 | 140.1
Cboe Clear Europe reverse repurchase and other | 0.0 | 4.1
Cboe Clear Digital customer bank deposits | 0.0 | 0.0
Total cash margin deposits, clearing funds, and interoperability funds | 186.8 | 144.2
Cboe Clear Europe non-cash contributions | 80.2 | 65.6
Interoperability Funds |  |
Clearing Operations |  |
Cboe Clear Europe central bank account | 241.7 | 271.0
Cboe Clear Europe reverse repurchase and other | 279.0 | 55.6
Cboe Clear Digital customer bank deposits | 0.0 | 0.0
Total cash margin deposits, clearing funds, and interoperability funds | 520.7 | 326.6
Cboe Clear Europe non-cash contributions | $ 278.9 | $ 228.0

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