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STOCK-BASED COMPENSATION (Tables)
12 Months Ended
Dec. 31, 2022
Stock-based Compensation  
Summary of stock option/warrant activity

Weighted

Number of

average exercise

    

Shares

    

price

Outstanding, January 1, 2020

$

10,834

$

18.59

Exercised

10,834

18.59

Outstanding, December 31, 2020

 

$

$

Exercised

 

Outstanding, December 31, 2021

 

$

$

Exercised

 

Outstanding and exercisable December 31, 2022

$

$

Summary of restricted stock activity

Weighted

 

Number of

average grant 

 

    

shares

    

date fair value

 

Nonvested stock at January 1, 2020

436,013

$

91.58

Granted

193,912

115.89

Vested

(272,258)

88.32

Forfeited

(15,585)

106.70

Nonvested stock at December 31, 2020

342,082

$

108.40

Granted

298,084

92.32

Vested

(166,598)

106.13

Forfeited

(30,249)

97.01

Nonvested stock at December 31, 2021

 

443,319

$

99.22

Granted

 

369,037

119.97

Vested

 

(201,457)

99.87

Forfeited

 

(54,837)

106.07

Nonvested stock at December 31, 2022

 

556,062

$

112.07

Summary of performance-based restricted stock units

Weighted

Number of

average grant 

    

Shares

    

date fair value

Nonvested stock at January 1, 2020

132,248

$

107.21

Granted

72,975

125.62

Vested

(48,053)

108.91

Forfeited

(34,504)

109.85

Nonvested stock at December 31, 2020

122,666

$

115.18

Granted

71,302

98.32

Vested

(29,468)

111.45

Forfeited

(12,090)

110.20

Nonvested stock at December 31, 2021

 

152,410

$

108.41

Granted

 

64,668

141.41

Vested

 

(16,834)

96.00

Forfeited

 

(33,542)

95.40

Nonvested stock at December 31, 2022

 

166,702

$

125.08

Cboe Digital Restricted Common Units  
Stock-based Compensation  
Summary of stock option/warrant activity

The following table summarizes the option activity during the year ended December 31, 2022 (in millions, except number of shares and contractual term):

Weighted

Weighted

average

Number of

average

Aggregate

remaining

shares

exercise price

intrinsic value

contractual term

Outstanding, January 1, 2022

$

$

Granted

185

0.3

6 years

Vested

Outstanding and exercisable December 31, 2022

185

$

0.3

$

6 years

Cboe Digital Warrants  
Stock-based Compensation  
Summary of stock option/warrant activity

Weighted

Number of

average

shares

exercise price

Outstanding, January 1, 2022

$

Granted

80

0.2

Vested

Outstanding and exercisable December 31, 2022

80

$

0.2