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CLEARING OPERATIONS - Narrative (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 USD ($) form market clearinghouse Counterparty | Dec. 31, 2024 USD ($)
Clearing Operations |  |
Number of clearing houses operated | clearinghouse | 2 |
Number of European equity markets | market | 19 |
Number of European derivative markets | market | 12 |
Restricted cash, current | $ | $ 34.1 | $ 0.0
Cboe Clear Europe Credit Facility |  |
Clearing Operations |  |
Number of central counterparties with whom interoperable agreements are held | Counterparty | 2 |
Number of forms utilized for default waterfalls | form | 2 |
Default and liquidity waterfalls regulatory capital, scenario one | 25.00% |
Cboe Clear Europe Credit Facility | Minimum |  |
Clearing Operations |  |
Default and liquid waterfalls regulatory capital | 35.00% |
Default and liquidity waterfalls regulatory capital, scenario two | 10.00% |
Cboe Clear Europe Credit Facility | Maximum |  |
Clearing Operations |  |
Default and liquid waterfalls regulatory capital | 50.00% |
Default and liquidity waterfalls regulatory capital, scenario two | 25.00% |
Cboe Clear U.S. |  |
Clearing Operations |  |
Restricted cash, current | $ | $ 25.0 |

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