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STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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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 | ​
​

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