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DEBT (Tables)

9 Months Ended

Sep. 30, 2025

Debt Disclosure [Abstract]

Schedule of Debt

The Company’s debt consisted of the following as of September 30, 2025 and December 31, 2024 (in millions):

			September 30, 2025						December 31, 2024
$650 million fixed rate Senior Notes due January 2027, stated rate of 3.650%			$	649.1					$	648.6
$500 million fixed rate Senior Notes due December 2030, stated rate of 1.625%			496.1						495.5
$300 million fixed rate Senior Notes due March 2032, stated rate of 3.000%			297.2						296.9
Revolving Credit Agreement			—						—
Cboe Clear Europe Credit Facility			—						—
Total debt			$	1,442.4					$	1,441.0

Schedule of Future Expected Repayments Related to Senior Notes

The future expected repayments related to the Senior Notes as of September 30, 2025 are as follows (in millions):

Remainder of 2025			$	—
2026			—
2027			650.0
2028			—
2029			—
Thereafter			800.0
Principal amounts repayable			1,450.0
Debt issuance costs			(4.4)
Unamortized discounts on notes			(3.2)
Total debt outstanding			$	1,442.4

Schedule of Interest Expense, Net

Components of interest expense, net recognized in the condensed consolidated statements of income for the three and nine months ended September 30, 2025 and 2024 are as follows (in millions):

			Three Months Ended September 30,												Nine Months Ended September 30,
			2025						2024						2025						2024
Components of interest expense:
Contractual interest			$	12.7					$	12.2					$	37.2					$	36.8
Amortization of debt discount and issuance costs			0.6						0.6						1.8						1.8
Interest expense			$	13.3					$	12.8					$	39.0					$	38.6
Interest income			(14.3)						(11.4)						(34.0)						(20.1)
Interest (income) expense, net			$	(1.0)					$	1.4					$	5.0					$	18.5

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