Significant Clients

9 Months Ended

Sep. 30, 2016

Risks and Uncertainties [Abstract]

Significant Clients

Significant Clients

The Company considers significant clients to be those clients who account for 10% or more of the total U.S. equity market making dollar value traded by the Company. No clients accounted for more than 10% of the Company’s U.S. equity dollar value traded during the three and nine months ended September 30, 2016 or 2015.