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REGULATORY CAPITAL (Tables)

3 Months Ended

Mar. 31, 2025

REGULATORY CAPITAL [Abstract]

Schedule of Actual and Minimum Regulatory Capital Requirements of the Subsidiary

The following table presents the Company’s subsidiaries with regulatory capital requirements discussed above, as well as the actual and minimum regulatory capital requirements of the subsidiary as of March 31, 2025 (in millions):

Subsidiary						Regulatory Authority						Actual						Minimum Requirement
Cboe Trading						FINRA/SEC						$	11.0					$	1.1
BIDS Trading						FINRA/SEC						5.7						0.2
Cboe Fixed Income						FINRA/SEC						4.0						0.1
Cboe Europe						FCA						67.1						33.6
Cboe Chi-X Europe						FCA						0.3						0.1
Cboe NL						Dutch Authority for Financial Markets						14.2						8.7
Cboe Clear Europe						DNB						104.1						63.0
CFE						CFTC						62.6						42.6
Cboe SEF						CFTC						3.8						2.4
Cboe Digital Exchange						CFTC						30.5						1.1
Cboe Clear U.S.						CFTC						31.3						11.9
Cboe Australia						ASIC						15.4						5.0
Cboe Japan						JFSA						10.5						4.7

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- References

No definition available.

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- Definition

Tabular disclosure of required and actual net worth amounts for mortgage banking as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481586/948-10-50-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 948
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481586/948-10-50-5

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 948
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481586/948-10-50-5

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 948
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481586/948-10-50-5

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