Regulatory Requirements and Subsidiary Dividend Restrictions (Tables)

12 Months Ended

Sep. 30, 2020

Capital and Other Regulatory Requirements [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

The following table details the Company’s subsidiaries with a minimum regulatory net capital requirement in excess of $5.0 million as well as the actual regulatory capital of the subsidiary as of September 30, 2020 (in millions):

Subsidiary	Regulatory Authority	Actual		Minimum Requirement
StoneX Financial Inc.	SEC and CFTC	$	229.8	$	137.6
StoneX Financial Ltd.	FCA	$	264.3	$	145.1
Gain Capital Group, LLC	CFTC	$	71.5	$	32.2
Gain Capital U.K. Ltd.	FCA	$	185.4	$	65.2