James S. Rubinstein
Professional summary
James Samuel Rubinstein, who also goes by James Rubinstein, is a registered financial professional currently at GTS SECURITIES LLC located in New York, New York and GTS EXECUTION SERVICES LLC located in New York, New York.
James is registered as a RR (Registered Representative) and started their career in finance in 1999. James has worked at 11 firms and has passed the Series 63, SIE, Series 57, Series 3, Series 55, Series 7 and Series 24 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - BD
Click below to view James Samuel Rubinstein's CRS (Customer Relationship Summary).
Certified licenses
Experience
December 10, 2025 - Present
GTS SECURITIES LLC
Office #1: 625 Avenue Of The Americas 3rd Floor, New York, NY 10011December 15, 2025 - Present
GTS EXECUTION SERVICES LLC
Office #1: 625 Avenue Of Americas 3rd Floor, New York, NY 10011July 16, 2025 - November 25, 2025
INTERACTIVE BROKERS LLC
June 25, 2025 - November 25, 2025
INTERACTIVE BROKERS CORP.
February 28, 2022 - May 31, 2023
LIQUIDNET, INC.
March 30, 2021 - December 24, 2021
BNP PARIBAS SECURITIES CORP.
October 11, 2018 - April 13, 2021
DEUTSCHE BANK SECURITIES INC.
June 14, 2006 - July 12, 2018
UBS SECURITIES LLC
October 20, 2004 - June 12, 2006
FLEXTRADE LLC
August 1, 2000 - November 20, 2002
INSTINET, LLC
September 24, 1999 - August 1, 2000
REUTERS C CORPORATION
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(12/10/2025)
Exams
Series 55
Date: 4/26/2000
Limited Representative-Equity Trader ExamCboe BYX Exchange, Inc.
Cboe BZX Exchange, Inc.
Cboe EDGA Exchange, Inc.
Cboe EDGX Exchange, Inc.
FINRA
Investors' Exchange LLC
MEMX LLC
MIAX PEARL, LLC
NYSE American LLC
NYSE Arca, Inc.
NYSE National, Inc.
NYSE Texas, Inc.
Nasdaq BX, Inc.
Nasdaq PHLX LLC
Nasdaq Stock Market
New York Stock Exchange
Current Firm
GTS EXECUTION SERVICES LLC
CRD#: 306364 / SEC#: , 8-70455
Contact information
FINRA licenses (21 States and Territories)
Documents
Red Flags
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