SEGMENT REPORTING (Tables)

6 Months Ended

Jun. 30, 2023

SEGMENT REPORTING

Summarized financial data of reportable segments

Summarized financial data of reportable segments was as follows (in millions):

			North		Europe								Corporate
			American		and Asia								Items and
	Options		Equities		Pacific		Futures		Global FX		Digital		Eliminations		Total
Three Months Ended June 30, 2023
Revenues	$	471.5	$	320.6	$	68.3	$	30.0	$	18.2	$	(0.8)	$	—	$	907.8
Operating income (loss)		203.7		22.8		5.5		18.4		5.0		(11.0)		0.4		244.8
Three Months Ended June 30, 2022
Revenues	$	438.2	$	432.8	$	67.4	$	30.5	$	16.8	$	0.1	$	—	$	985.8
Operating income (loss)		178.1		32.6		10.7		15.3		2.7		(473.6)		(3.2)		(237.4)

			North		Europe								Corporate
			American		and Asia								Items and
	Options		Equities		Pacific		Futures		Global FX		Digital		Eliminations		Total
Six Months Ended June 30, 2023
Revenues	$	957.6	$	700.4	$	140.6	$	62.1	$	37.0	$	(1.7)	$	—	$	1,896.0
Operating income (loss)		404.7		51.2		16.8		39.3		9.7		(22.4)		(6.6)		492.7
Six Months Ended June 30, 2022
Revenues	$	860.8	$	856.5	$	146.0	$	62.8	$	34.1	$	0.1	$	—	$	1,960.3
Operating income (loss)		340.8		71.2		31.6		32.3		5.1		(473.6)		(5.1)		2.3

Schedule of revenues less cost of revenues by geographic location

	United States		Non-U.S.		Total
Revenues less cost of revenues:
Three months ended June 30, 2023	$	408.0	$	59.1	$	467.1
Three months ended June 30, 2022		368.5		55.6		424.1

	United States		Non-U.S.		Total
Revenues less cost of revenues:
Six months ended June 30, 2023	$	819.6	$	118.9	$	938.5
Six months ended June 30, 2022		723.8		118.4		842.2