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REGULATORY CAPITAL | 9 Months Ended
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Sep. 30, 2025
REGULATORY CAPITAL [Abstract] |
REGULATORY CAPITAL | REGULATORY CAPITAL As broker-dealers registered with the SEC, Cboe Trading, BIDS Trading, and Cboe Fixed Income are subject to the SEC’s Uniform Net Capital Rule (“Rule 15c3-1”), which requires the maintenance of minimum net capital, as defined therein. The SEC’s requirement also provides that equity capital may not be withdrawn or a cash dividend paid if certain minimum net capital requirements are not met. Cboe Trading, BIDS Trading, and Cboe Fixed Income compute the net capital requirements under the basic method provided for in Rule 15c3-1. As of September 30, 2025, Cboe Trading and BIDS Trading were required to maintain net capital equal to the greater of 6.67% of aggregate indebtedness items, as defined, or $0.1 million. Cboe Fixed Income was required to maintain net capital equal to the greater of 6.67% of aggregate indebtedness items, as defined, or $5.0 thousand. As entities regulated by the FCA, Cboe Europe is subject to the Financial Resource Requirement (“FRR”) and Cboe Chi-X Europe is subject to the Capital Resources Requirement (“CRR”). As a RIE, Cboe Europe computes its FRR in accordance with its Financial Risk Assessment, as agreed by the FCA. In accordance with the Markets in Financial Instruments Directive of the FCA requirements, Cboe Chi-X Europe computes its CRR as the greater of the base requirement of $0.1 million at September 30, 2025, or the summation of the credit risk, market risk and fixed overheads requirements, as defined. Cboe NL has approval from the Dutch Ministry of Finance to operate an RM, an MTF, and an approved publication arrangement in the Netherlands. As an RM, Cboe NL is subject to minimum capital requirements, as established by the Dutch Ministry of Finance in the license dated March 8, 2019. Cboe Clear Europe was granted authorization under European Market Infrastructure Regulation (“EMIR”) by the National Competent Authority, De Nederlandsche Bank (“DNB”). Cboe Clear Europe is required by the EMIR to maintain a minimum amount of capital to reflect an estimate of the capital required to wind down or restructure the activities of the clearinghouse, cover operational, legal, and business risks and to reserve capital to meet credit, counterparty, and market risks not covered by the clearing participants’ collateral and clearing funds. As a designated contract market regulated by the CFTC, CFE is required to meet two capital adequacy tests: (i) its financial resources must be equal to at least twelve months of its projected operating costs and (ii) its unencumbered, liquid financial assets, which may include a line of credit, must be equal to at least six months of its projected operating costs. The amounts presented below represent the greater of the two capital adequacy requirements. As a swap execution facility regulated by the CFTC, Cboe SEF is required to meet two capital adequacy tests: (i) its financial resources must exceed at least twelve months of its projected operating costs and (ii) its unencumbered, liquid financial assets must be equal to the greater of: (a) three months of projected operating costs or (b) its projected wind-down costs. The amounts presented below represent the greater of the two capital adequacy requirements. As of September 30, 2025, Cboe Digital Exchange is subject to regulatory capital requirements, but any capital requirements will cease when formal closure with regulators is complete. As a designated contract market regulated by the CFTC, Cboe Digital Exchange is required to meet two capital adequacy tests: (i) its financial resources must be equal to at least twelve months of its projected operating costs and (ii) its unencumbered, liquid financial assets, which may include a line of credit, must be equal to at least six months of its projected operating costs. The amounts presented below represent the greater of the two capital adequacy requirements. As a derivatives clearing organization regulated by the CFTC, Cboe Clear U.S. is required to meet two capital adequacy tests: (i) its financial resources must be equal to at least twelve months of its projected operating costs and (ii) its unencumbered, liquid financial assets, which may include a line of credit, must be equal to at least six months of its projected operating costs. The amounts presented below represent the greater of the two capital adequacy requirements. Cboe Canada is regulated by the Ontario Securities Commission (“OSC”). Cboe Canada is required to maintain sufficient financial resources for the proper performance of its functions and to meet its responsibilities, but it has no prescribed minimum capital requirement. Cboe Canada must calculate the following financial ratios monthly: (i) current ratio, (ii) a debt to cash flow ratio, and (iii) a financial leverage ratio. Cboe Canada must report the monthly calculations to the OSC on a quarterly basis. Cboe Australia is regulated by the Australian Securities and Investments Commission (“ASIC”). Cboe Australia is required to maintain sufficient financial resources to operate the market properly in accordance with Section 794A(d) of the Corporations Act, which Cboe Australia satisfies by maintaining a prudent cash reserve, which must be equal to at least six months of its projected operating expenses. As of September 30, 2025, Cboe Japan is subject to regulatory capital requirements, but any capital requirements will cease when formal closure with regulators is complete. Cboe Japan is regulated by the Japanese Financial Services Agency (“JFSA”) and the Japan Securities Dealers Association (“JSDA”). Cboe Japan is required to maintain a minimum level of regulatory capital ratio of 120% in accordance with such requirements prescribed by the JFSA and JSDA. 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 September 30, 2025 (in millions):
Subsidiary |  | Regulatory Authority |  | Actual |  | Minimum Requirement
Cboe Trading |  | FINRA/SEC |  | $ | 14.1 |  |  | $ | 0.9 |
BIDS Trading |  | FINRA/SEC |  | 3.5 |  |  | 0.2 |
Cboe Fixed Income |  | FINRA/SEC |  | 3.0 |  |  | 0.1 |
Cboe Europe |  | FCA |  | 73.9 |  |  | 36.5 |
Cboe Chi-X Europe |  | FCA |  | 0.3 |  |  | 0.1 |
Cboe NL |  | Dutch Authority for Financial Markets |  | 20.1 |  |  | 11.6 |
Cboe Clear Europe |  | DNB |  | 124.2 |  |  | 77.5 |
CFE |  | CFTC |  | 182.1 |  |  | 43.5 |
Cboe SEF |  | CFTC |  | 16.4 |  |  | 2.3 |
Cboe Digital Exchange |  | CFTC |  | 23.7 |  |  | — |
Cboe Clear U.S. |  | CFTC |  | 38.6 |  |  | 12.9 |
Cboe Australia |  | ASIC |  | 14.4 |  |  | 5.3 |
Cboe Japan |  | JFSA |  | 8.5 |  |  | 4.3 |

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- Definition The entire disclosure for regulatory capital requirement for depository and lending institutions. Institutions include, but not are not limited to, finance company, insured depository institution, bank holding company, savings and loan association holding company, bank and savings institution not federally insured, mortgage company, foreign financial institution and credit union. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(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 1 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1D Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1F + Details
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