SEGMENT REPORTING (Tables)

6 Months Ended

Jun. 30, 2020

SEGMENT REPORTING

Summarized Financial Information by Reportable Segment

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

											Corporate
							European				Items and
	Options		U.S. Equities		Futures		Equities		Global FX		Eliminations		Total
Three Months Ended June 30, 2020
Revenues	$	317.6	$	490.5	$	21.6	$	25.3	$	13.7	$	—	$	868.7
Operating income (loss)		93.4		55.9		8.3		5.4		1.1		(2.4)		161.7
Three Months Ended June 30, 2019
Revenues	$	246.1	$	298.7	$	33.8	$	28.7	$	13.1	$	0.2	$	620.6
Operating income (loss)		80.1		36.4		19.4		5.7		(1.6)		(14.8)		125.2

											Corporate
							European				Items and
	Options		U.S. Equities		Futures		Equities		Global FX		Eliminations		Total
Six Months Ended June 30, 2020
Revenues	$	674.1	$	964.2	$	63.1	$	58.2	$	30.6	$	—	$	1,790.2
Operating income (loss)		236.8		104.9		35.2		14.9		4.1		(7.8)		388.1
Six Months Ended June 30, 2019
Revenues	$	477.1	$	594.5	$	64.3	$	59.0	$	27.0	$	0.2	$	1,222.1
Operating income (loss)		167.1		74.0		37.7		11.5		(2.0)		(17.7)		270.6