REGULATORY CAPITAL (Tables)

9 Months Ended

Sep. 30, 2024

REGULATORY CAPITAL [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 September 30, 2024 (in millions):

Subsidiary	Regulatory Authority	Actual		Minimum Requirement
Cboe Trading	FINRA/SEC	$	11.3	$	1.0
BIDS Trading	FINRA/SEC	10.1		0.4
Cboe Fixed Income	FINRA/SEC	4.9		0.1
Cboe Europe	FCA	67.5		34.7
Cboe Chi-X Europe	FCA	0.1		0.1
Cboe NL	Dutch Authority for Financial Markets	16.7		7.9
Cboe Clear Europe	DNB	89.1		62.8
CFE	CFTC	60.5		41.2
Cboe SEF	CFTC	2.7		2.0
Cboe Digital Exchange	CFTC	33.6		6.1
Cboe Clear Digital	CFTC	31.0		6.4
Cboe Australia	ASIC	19.2		5.4
Cboe Japan	JFSA	11.4		5.0