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Regulatory Requirements and Subsidiary Dividend Restrictions (Tables)

12 Months Ended

Sep. 30, 2024

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, 2024 (in millions):

Subsidiary			Regulatory Authority												Actual						Minimum Requirement
StoneX Financial Inc.			SEC and CFTC												$	435.7					$	243.5
StoneX Financial Ltd			FCA												$	433.8					$	358.0
GAIN Capital Group, LLC			CFTC and NFA												$	57.1					$	29.7
StoneX Financial Pte. Ltd.			MAS												$	100.6					$	22.3
StoneX Markets LLC			CFTC and NFA												$	237.9					$	134.3

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- Definition

Capital and Other Regulatory Requirements [Abstract]

+ References

No definition available.

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- Definition

Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B

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