LeetQuant

Quant interview prep

Crack the quant interview.

79 real problems across probability, stochastic calculus, options and risk — with spaced-repetition review and role-based tracks for traders, researchers and risk.

79
Problems
9
Categories
24
Firms
3
Tracks

Real interview problems

79 problems from the quant “Green Book” and actual desk interviews — each tagged with the firms that ask it: Jane Street, Citadel, Optiver, Two Sigma, SIG and more.

Spaced-repetition review

Rate your recall after each problem and LeetQuant resurfaces it right before you’d forget — the Anki method, tuned for interview prep.

Role-based tracks

Curated, ordered paths for the seat you’re interviewing for: Quant Trader, Quant Researcher, or Risk. Each picks what that role actually gets asked.

Every topic they ask

Brain TeasersProbabilityStochastic ProcessesCalculus & Linear AlgebraAlgorithms & NumericalFinanceOptions & GreeksPortfolio & RiskStatistics

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LeetQuant — practice quant interviews