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REGULATORY CAPITAL (Tables)

6 Months Ended

Jun. 30, 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 June 30, 2025 (in millions):

Subsidiary						Regulatory Authority						Actual						Minimum Requirement
Cboe Trading						FINRA/SEC						$	13.4					$	1.0
BIDS Trading						FINRA/SEC						6.2						0.2
Cboe Fixed Income						FINRA/SEC						3.6						0.1
Cboe Europe						FCA						100.3						37.3
Cboe Chi-X Europe						FCA						0.3						0.1
Cboe NL						Dutch Authority for Financial Markets						17.8						9.9
Cboe Clear Europe						DNB						125.7						77.9
CFE						CFTC						58.6						42.3
Cboe SEF						CFTC						4.4						2.5
Cboe Digital Exchange						CFTC						27.0						0.2
Cboe Clear U.S.						CFTC						38.6						12.0
Cboe Australia						ASIC						14.9						5.2
Cboe Japan						JFSA						11.2						4.6

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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/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 2: http://www.xbrl.org/2009/role/commonPracticeRef
-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 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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