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Kevin Grelecki

Kevin Grelecki

Trader at Simplex Trading, LLC

Park Ridge, IL , United States

About

Kevin Grelecki is a seasoned trader currently with Simplex Investments, where he specializes in derivatives and equity markets. Based in the Chicago area, he plays a key role in executing and managing complex trading strategies, focusing particularly on equity index and futures products. At Simplex, he is notably involved in the trading and provision of liquidity for BTIC and block trades in major U.S. equity index futures.

Previously, Kevin served as Senior Trader and Desk Head at IMC Trading, overseeing teams and risk across various equity and derivatives desks during a decade-long tenure. His early career includes experience with agricultural commodity trading at Merrill Lynch, granting him broad exposure to both the commodities and listed derivatives sectors. Across his roles, his expertise has spanned U.S. equity indices, options, futures, and related derivatives markets.

Kevin holds a Bachelor of Science in Finance from the University of Illinois, College of Business. His professional background demonstrates a commitment to innovation and risk management in highly automated, technology-driven trading environments, making notable contributions to liquidity provision and complex derivatives trading in the U.S. markets.

Career History

OrganizationRoleDate RangeDetails
Simplex InvestmentsTraderFeb 2020 to Present
IMC TradingSenior Trader and Desk HeadFeb 2010 to Feb 2020
Spx index derivative trader / team lead for on off-floor broker trading desk . Part of a robust team of SPX traders within the company specializing in high-frequency electronic, broker and floor trad...
Merrill LynchCBOT agricultural commodity trading desk and overnight trading desk assistantFeb 1996 to Jan 2000
Pioneered the use of wireless headset communication into the trading pits between desk and broker to produce an instantaneous means of order execution. Proficient in Globex, Globex 2 and Project A tra...
Pisa Trading LLCDerivatives trader, risk managerAug 2003 to Mar 2009
Derivatives trader, risk manager and profit & loss manager of multi-million dollar derivative portfolio for multiple index option markets including NDX, SPX, RUT, and VIX. Earned CBOT membership Augu...
LaSalle Capital MarketsTraderSep 2002 to Aug 2003
Consistently generated thousands of dollars in daily profits using option-theory, strong mathematics and communication skills in a team-oriented trading atmosphere Supervised and trained all new tradi...
LaSalle Capital MarketsTrader and ClerkApr 2001 to Aug 2003
Floor-based derivatives trader in NDX, QQQ and MNX trading pits.
LaSalle Capital MarketsClerkApr 2001 to Sep 2002
Created a foundation of profitability by ensuring trading and position accuracy of the firm's sizable and high-volume traders Maintained consistent, error-free and efficient communication in high-inte...
Grainguys.com LLCLead Trading Desk AssociateJan 2000 to Apr 2001
Founding member of a CBOT startup floor based commodity brokerage company in agricultural commodities. Lead trading desk contact for all client support issues. Constructed and maintained an internet w...

Education

University of Illinois, College of Business

Bachelor of Science, Finance

1991 1995

Others at Simplex Trading, LLC (24)

NameRoleLocation
Alexander Finch
Alexander Finch
Derivatives TraderChicago, IL , United States
D
Dave Haufe
Chief Technology OfficerChicago, IL , United States
David Lohmann
David Lohmann
SOFR Options TraderChicago, IL , United States
Dimitry Braznichenko
Dimitry Braznichenko
Options TraderChicago, IL , United States
Drew Brandsen
Drew Brandsen
Options TraderChicago, IL , United States
Glen Nixon
Glen Nixon
Algorithmic TraderChicago, IL , United States
Jeff Burianek
Jeff Burianek
US Index Volatility TradingChicago, IL , United States
Jeffrey Abraham
Jeffrey Abraham
Algorithmic Trading AnalystChicago, IL , United States
Jeremy Nau
Jeremy Nau
Derivatives Trader SPXChicago, IL , United States
Lester Crockett
Lester Crockett
Derivatives TraderGlenview, IL , United States
Showing 1-10 of 24 team members

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