Regulatory Requirement (Tables)

12 Months Ended

Dec. 31, 2018

Regulatory Capital Requirements [Abstract]

Schedule of regulatory capital and regulatory capital requirements

The regulatory capital and regulatory capital requirements of these subsidiaries as of December 31, 2018 were as follows:

(in thousands)	Regulatory Capital		Regulatory Capital Requirement		Excess Regulatory Capital
Virtu Americas LLC	$	381,211	$	2,035	$	379,176
Virtu Financial BD LLC	133,850		1,000		132,850
Virtu Financial Capital Markets LLC	9,457		1,000		8,457

The regulatory capital and regulatory capital requirements of these subsidiaries as of December 31, 2017 were as follows:

(in thousands)	Regulatory Capital		Regulatory Capital Requirement		Excess Regulatory Capital
Virtu Americas LLC	$	379,875	$	1,000	$	378,875
Virtu Financial BD LLC	40,683		1,000		39,683
Virtu Financial Capital Markets LLC	8,308		5,114		3,194