Group One Trading, LP

Group One is a leading specialist and market maker in exchange listed derivatives. Headquartered in Chicago, we maintain a floor presence with specialist posts on the Chicago Board Options Exchange and NYSE AMEX. Armed with expertise developed through a rigorous training program, our traders provide competitive liquidity across a broad range of securities. We manage portfolios of several hundred issues, and simultaneously stream quotes across multiple exchanges. Our unique understanding of pricing and special situations, combined with real time risk management and superior technology allow us to stay a step ahead of the markets.

Our Risk Management group works with all functional areas of the firm to stress test the complexities of our positions, systems and operational risk. Thanks to a real time risk database, our desk is able to simultaneously monitor the activity and exposure of the entire firm's positions. With over 6,000 unique positions, our business analytics database ensures that we are not only taking intelligent risks, but also maximizing returns and capitalizing on opportunities as they expand and contract.