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Simplex Trading

Proprietary trading firm leveraging advanced tech

Volatility Trader

Quantitative Trading / Algorithm DevelopmentConfirmed live in the last 24 hours
Full-timeChicago, IL, USA

About the Job

Requirements

  • Minimum 3–5 years of professional experience in a volatility trading, volatility research, or portfolio management role.
  • Demonstrated track record of generating and executing profitable trading ideas.
  • Strong practical foundation in options theory and Bayesian statistics/probability.
  • Ability to exercise strong analytical judgment under uncertainty and operate decisively under constraints.
  • Precise technical communication skills, including presenting conclusions and articulating associated inputs, assumptions, and process.
  • Sufficient technical skills to independently interface with data and prototype research ideas.

Responsibilities

  • Conduct research to identify market dislocations, mispricings, or other trading opportunities in the volatility space.
  • Monitor and manage live positions, focusing on order flow dynamics and counterparty behavior.
  • Work with the core market-making team to develop systematic approaches to volatility valuation or pricing overlays.
  • Continuously improve the firm's tools for volatility research, risk management, and P&L attribution.
  • Clearly communicate and document research methodology and trading decisions for collaboration and review.
  • Identify market opportunities with favorable risk-reward profiles to generate trade ideas and enhance market-making pricing systems.
  • Manage discretionary positions and collaborate with the market-making team to improve hedging, risk management, and edge capture.

About the Company

Simplex Trading

Proprietary trading firm leveraging advanced tech

Simplex Trading builds and operates proprietary software and trading systems to identify and capitalize on financial opportunities in the markets. Its technology works through algorithms and tooling developed by in-house technologists and data-driven traders, enabling automated trade execution and continuous strategy refinement. It differentiates itself by relying on a fully in-house tech stack and collaborative team, rather than depending on off-the-shelf platforms. Its goal is to generate financial opportunity and growth through automation and advanced software while attracting top technical and trading talent.

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