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Capital and Other Regulatory Requirements (Tables)

6 Months Ended

Mar. 31, 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 March 31, 2021
Subsidiary			Regulatory Authority						Actual						Minimum Requirement
StoneX Financial Inc.			SEC and CFTC						$	288.4					$	163.6
StoneX Financial Ltd.			Financial Conduct Authority ("FCA")						$	375.8					$	222.4
Gain Capital Group, LLC			CFTC and NFA						$	69.7					$	31.6
Gain Capital U.K., Ltd.			FCA						$	106.6					$	31.5

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

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