v3.26.1
GOODWILL, INTANGIBLE ASSETS, NET, AND DIGITAL ASSETS HELD - Narrative (Details)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Oct. 31, 2022
token
Jun. 30, 2026
USD ($)
token
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
token
Jun. 30, 2026
USD ($)
token
Jun. 30, 2025
USD ($)
token
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Intangible Assets                
Impairment of indefinite-lived intangible assets     $ 1.8       $ 1.8  
Impairment of intangible assets   $ 0.4     $ 0.4     $ 18.9
Cboe Netherlands Services Company B.V | Data Provider Agreement with Pyth Data Association                
Intangible Assets                
Number of token issued in a exchange or transaction | token 16,666,666       1,590,000      
Term of restricted tokens issued (in years) 4 years              
Number of tokens sold | token   0   3,000,000 0 4,200,000    
Recognized gain on sale of tokens       $ 0.3   $ 0.6    
Customer relationships                
Intangible Assets                
Impairment of finite-lived intangible assets       $ 17.1   $ 17.1