130+Employees
2004Founded
Chicago, ILHQ
1Open jobs
About Simplex Trading
Simplex Trading is a technology-driven proprietary market-making firm specializing in U.S. equity options and futures options, building its own software to provide liquidity to financial markets. It serves financial markets directly rather than external clients. Founded in 2004, Simplex Trading is headquartered in Chicago, Illinois.
Open positions (1)
Volatility Trader
Chicago, IL, USA · Hybrid · Posted 2026-06-02