v3.26.1
Investment Income - Narrative (Details) - HKD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Crypto Asset, Activity [Line Items]    
Option premium income $ 8,139,300  
Proceeds from call options   $ 3,841,500
Stable coins    
Crypto Asset, Activity [Line Items]    
Option premium income $ 4,297,800