STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2023

Stock-based Compensation

Summary of restricted stock activity

		Weighted
	Number of	average grant
	Shares	date fair value
Nonvested stock at December 31, 2022	556,062	$	112.07
Granted	338,794		126.50
Vested	(236,487)		108.21
Forfeited	(41,822)		120.51
Nonvested stock at September 30, 2023	616,547	$	120.91

Summary of performance-based restricted stock units activity

		Weighted
	Number of	average grant
	Shares	date fair value
Nonvested stock at December 31, 2022	166,702	$	125.08
Granted	86,646		143.75
Vested	(55,399)		130.05
Forfeited	(55,627)		143.52
Nonvested stock at September 30, 2023	142,322	$	127.31

Cboe Digital Restricted Common Units

Stock-based Compensation

Summary of stock option/warrant activity

The following table summarizes the option activity during the nine months ended September 30, 2023 (in millions, except number of units and contractual term):

		Weighted				Weighted
	Number of	average exercise		Aggregate		average remaining
	Units	price		intrinsic value		contractual term
Nonvested units at December 31, 2022	185	$	0.3	$	—	6 years
Granted	—		—		—
Vested	—		—		—
Outstanding at September 30, 2023	185	$	0.3	$	—	5 years

Cboe Digital Warrants

Stock-based Compensation

Summary of stock option/warrant activity

The following table summarizes the Warrant activity during the nine months ended September 30, 2023 (in millions, except number of units):

		Weighted
	Number of	average exercise
	Units	price
Nonvested units at December 31, 2022	80	$	0.2
Granted	—		—
Vested	—		—
Outstanding at September 30, 2023	80	$	0.2