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  1. Jane Street26 min

    A Jane Street Trading Mock Interview with Graham and Andrea

    Graham, Andrea, Michael

    In a simulated quantitative trading interview, veteran trader Graham guides new hire Andrea through three variations of a die-rolling game designed to test her mathematical modeling and game theory skills. Andrea derives optimal stopping thresholds for static and consumable die scenarios while iterating toward a Nash equilibrium in an adversarial version where the casino actively minimizes her earnings. This exercise highlights Jane Street's evaluation criteria, which prioritize the candidate's ability to clarify rules, articulate a logical thought process, and collaboratively solve complex problems under changing constraints.