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REGULATORY CAPITAL (Tables) | 12 Months Ended
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Dec. 31, 2024
Broker-Dealer [Abstract] |
Schedule of actual and minimum regulatory capital requirements of the subsidiary | The following table presents the Company’s subsidiaries with regulatory capital requirements discussed above, as well as the actual and minimum regulatory capital requirements of the subsidiary as of December 31, 2024 (in millions):
Subsidiary |  | Regulatory Authority |  | Actual |  | Minimum Requirement
Cboe Trading |  | FINRA/SEC |  | $ | 11.0 |  | $ | 1.1
BIDS Trading |  | FINRA/SEC |  | 8.0 |  | 0.2
Cboe Fixed Income |  | FINRA/SEC |  | 4.4 |  | 0.1
Cboe Europe |  | FCA |  | 65.1 |  | 32.7
Cboe Chi-X Europe |  | FCA |  | 0.1 |  | 0.1
Cboe NL |  | Dutch Authority for Financial Markets |  | 12.5 |  | 8.4
Cboe Clear Europe |  | DNB |  | 89.2 |  | 57.9
CFE |  | CFTC |  | 60.4 |  | 41.4
Cboe SEF |  | CFTC |  | 2.9 |  | 2.0
Cboe Digital Exchange |  | CFTC |  | 35.1 |  | 2.9
Cboe Clear U.S. |  | CFTC |  | 31.6 |  | 10.5
Cboe Australia |  | ASIC |  | 13.5 |  | 5.0
Cboe Japan |  | JFSA |  | 10.0 |  | 4.4

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- Definition Tabular disclosure of net capital requirement for broker-dealer under Securities and Exchange Commission (SEC) regulation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Rule 15c3-1 -Number 240 -Section 15c3-1 -Publisher SEC + Details
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