Regulatory Requirements and Subsidiary Dividend Restrictions (Tables)

12 Months Ended

Sep. 30, 2021

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 $10.0 million as well as the actual regulatory capital of the subsidiary as of September 30, 2021 (in millions):

Subsidiary	Regulatory Authority	Actual		Minimum Requirement
StoneX Financial Inc.	SEC and CFTC	$	311.2	$	198.9
StoneX Financial Ltd.	FCA	$	368.5	$	218.4
Gain Capital Group, LLC	CFTC	$	49.4	$	30.1
StoneX Financial Pte. Ltd.	MAS	$	45.4	$	15.9