REGULATORY CAPITAL (Tables)

12 Months Ended

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