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CLEARING OPERATIONS - Clearing Participant (Details) $ in Millions	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Clearing Operations
Cboe Clear Europe central bank account	$ 599.4	$ 841.4
Cboe Clear Europe reverse repurchase and other	1,040.4	0.0
Cboe Clear U.S. customer bank deposits	1.0	4.1
Total cash margin deposits, clearing funds, and interoperability funds	1,640.8	845.5
Cboe Clear Europe non-cash contributions	$ 1,274.5	997.4
Minimum collateralization, as a percent	1.02
Margin Deposits
Clearing Operations
Cboe Clear Europe central bank account	$ 528.7	378.4
Cboe Clear Europe reverse repurchase and other	322.1	0.0
Cboe Clear U.S. customer bank deposits	1.0	4.1
Total cash margin deposits, clearing funds, and interoperability funds	851.8	382.5
Cboe Clear Europe non-cash contributions	881.7	691.4
Clearing Funds
Clearing Operations
Cboe Clear Europe central bank account	9.5	173.7
Cboe Clear Europe reverse repurchase and other	249.9	0.0
Cboe Clear U.S. customer bank deposits	0.0	0.0
Total cash margin deposits, clearing funds, and interoperability funds	259.4	173.7
Cboe Clear Europe non-cash contributions	94.5	80.1
Interoperability Funds
Clearing Operations
Cboe Clear Europe central bank account	61.2	289.3
Cboe Clear Europe reverse repurchase and other	468.4	0.0
Cboe Clear U.S. customer bank deposits	0.0	0.0
Total cash margin deposits, clearing funds, and interoperability funds	529.6	289.3
Cboe Clear Europe non-cash contributions	$ 298.3	$ 225.9

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The amount of central bank account deposits made by clearing participants as on the balance sheet date.

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The amount of non-cash contributions made by clearing participants as on the balance sheet date.

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The amount of reverse repurchase and other deposits made by clearing participants as on the balance sheet date.

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The amount of total contributions made by clearing participants as on the balance sheet date.

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Clearing Participant, Reverse Repurchase, Collateralization, As A Percent, Minimum

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