Firm Interview Guides
What to expect at each firm, what to study, and how to prepare. Based on publicly available interview reports.
Jane Street
Collaborative problem-solving with probability and game theory
4 rounds·Low pressure·~21 days
Probability & expected valueGame theoryMarket making games
Citadel / Citadel Securities
Deep technical depth in algorithms and data structures
4 rounds·Moderate pressure·~19 days
Algorithms & data structuresPython and C++ codingDynamic programming
Two Sigma
Data-driven modeling with open-ended analysis
4 rounds·Moderate pressure·~26 days
Data analysis & modelingStatistics & regressionFeature engineering
D.E. Shaw
Rigorous math and statistics with high selectivity
4 rounds·High pressure·~24 days
Mathematics & statisticsAlgorithms & codingBrain teasers
Optiver
Speed and accuracy in mental math and probability
4 rounds·Very High pressure·~22 days
Mental arithmetic (speed-critical)Probability & Bayes theoremMarket intuition
Akuna Capital
Mental math fundamentals and strategic betting games
4 rounds·Very High pressure·~19 days
Mental arithmeticBetting strategy & expected valueProbability
Susquehanna International Group (SIG)
Probability, expected value games, and staying calm under pressure
4 rounds·High pressure·~14 days
Probability & combinatoricsExpected value gamesDeductive logic