Regulatory Capital Requirements (Tables)

6 Months Ended

Mar. 31, 2023

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, 2023
Subsidiary	Regulatory Authority	Actual		Minimum Requirement
StoneX Financial Inc.	SEC and CFTC	$	394.7	$	228.8
StoneX Financial Ltd.	Financial Conduct Authority (“FCA”)	$	493.1	$	358.0
Gain Capital Group, LLC	CFTC and NFA	$	54.3	$	29.3
StoneX Financial Pte. Ltd.	Monetary Authority of Singapore ("MAS")	$	65.9	$	17.8
StoneX Markets LLC	CFTC and NFA	$	211.3	$	121.4