v3.25.1
Regulatory Capital Requirements (Tables)
 6 Months Ended
Mar. 31, 2025
Capital and Other Regulatory Requirements [Abstract]  
Schedule of Subsidiaries with Minimum Regulatory Requirements The following table details those subsidiaries with minimum regulatory requirements in excess of $10.0 million along with the actual balance maintained as of that date.
(in millions) As of March 31, 2025
SubsidiaryRegulatory AuthorityActualMinimum
Requirement
StoneX Financial Inc.SEC and CFTC$426.5 $252.2 
StoneX Financial Ltd.FCA$563.0 $437.2 
Gain Capital Group, LLCCFTC and NFA$56.2 $30.8 
StoneX Financial Pte. Ltd.MAS$112.0 $24.3 
StoneX Markets LLCCFTC and NFA$245.4 $134.2