Capital and Other Regulatory Requirements (Tables)

9 Months Ended

Jun. 30, 2021

Capital and Other Regulatory Requirements [Abstract]

Subsidiaries with Minimum Regulatory Requirements

The following table details those subsidiaries with minimum regulatory requirements in excess of $5 million along with the actual balance maintained as of that date.

(in millions)		As of June 30, 2021
Subsidiary	Regulatory Authority	Actual		Minimum Requirement
StoneX Financial Inc.	SEC and CFTC	$	307.0	$	197.9
StoneX Financial Ltd.	Financial Conduct Authority ("FCA")	$	370.1	$	229.8
Gain Capital Group, LLC	CFTC and NFA	$	49.3	$	29.9