Quant Interview Practice Questions

1,000+ quant interview questions for Jane Street, Citadel, Two Sigma, DE Shaw, and other top quantitative finance firms.

Quant Researcher Questions (100)

Statistical analysis and quantitative modeling problems

  • Amihud Illiquidity Ratio - easy statistical_analysis question
  • Sortino Ratio - easy statistical_analysis question
  • KDE Value-at-Risk Estimate - hard statistical_analysis question
  • Coskewness Matrix - hard portfolio_optimization question
  • Modified Sharpe Ratio - medium risk_management question
  • Realized Variance Signature Plot - medium time_series question
  • Rolling Volume-Weighted Average Price - easy data_manipulation question
  • Absorption Ratio - easy risk_management question
  • Exponentially Weighted Quantile - medium statistical_analysis question
  • Cross-Sectional Factor Neutralization - medium machine_learning question
  • Tick Imbalance Bars - hard data_manipulation question
  • Lead-Lag Cross-Correlation - medium time_series question
  • Heston Stochastic Volatility Call Price - hard options_pricing question
  • Garman-Klass-Yang-Zhang Volatility - medium statistical_analysis question
  • Hawkes Process Intensity - medium stochastic_processes question
  • Kyle's Lambda Estimation - medium statistical_analysis question
  • Garman-Kohlhagen FX Option Price - easy options_pricing question
  • Bachelier Option Price - easy options_pricing question
  • Carr-Madan Fourier European Call Price - hard derivatives question
  • Detrended Fluctuation Analysis Exponent - medium time_series question
  • Corwin-Schultz High-Low Spread Estimator - medium data_manipulation question
  • Herfindahl-Hirschman Portfolio Concentration - easy portfolio_optimization question
  • Kendall's Tau Rank Correlation - easy statistical_analysis question
  • Baxter-King Band-Pass Filter - medium time_series question
  • Cochrane-Orcutt GLS Regression - medium statistical_analysis question
  • Merton Jump-Diffusion Call Price - hard derivatives question
  • EWMA Kurtosis Estimator - medium statistical_analysis question
  • Treynor Ratio - easy portfolio_optimization question
  • Clark-West Forecast Comparison Test - medium statistical_analysis question
  • Modified Dietz Return - medium portfolio_optimization question
  • GPD Tail VaR (Peaks Over Threshold) - hard risk_management question
  • Wald-Wolfowitz Runs Test - medium statistical_analysis question
  • Omega Ratio - medium risk_management question
  • Breusch-Pagan Heteroskedasticity Test - hard statistical_analysis question
  • Circular Block Bootstrap Confidence Interval - hard statistical_analysis question
  • Spectral Risk Measure - hard risk_management question
  • Linear Quantile Regression - medium statistical_analysis question
  • Effective Number of Bets - medium portfolio_optimization question
  • Lopez VaR Scoring Rule - easy risk_management question
  • Augmented Dickey-Fuller Test Statistic - hard statistical_analysis question
  • Ornstein-Uhlenbeck MLE Calibration - hard time_series question
  • Kalman Filter for 1D State-Space Model - medium time_series question
  • Parametric Expected Shortfall - easy risk_management question
  • Hamilton Regime-Switching Filter - hard time_series question
  • Marginal Contribution to Parametric VaR - hard risk_management question
  • Yule-Walker Partial Autocorrelation - medium time_series question
  • EWMA Skewness Estimator - medium statistical_analysis question
  • EWMA Pearson Correlation - easy risk_management question
  • Sample Autocorrelation Function - medium time_series question
  • Hill Estimator for Tail Index - hard risk_management question
  • EWMA Beta Hedge Ratio - medium risk_management question
  • Two-Sample Kolmogorov-Smirnov Statistic - easy statistical_analysis question
  • Theil-Sen Robust Slope Estimator - medium statistical_analysis question
  • Gerber Statistic - medium statistical_analysis question
  • Marchenko-Pastur Eigenvalue Clipping - hard machine_learning question
  • Ulcer Index - medium risk_management question
  • Variance Inflation Factor - medium statistical_analysis question
  • Spearman Rank Correlation - easy statistical_analysis question
  • Down-and-Out Call Option - hard options_pricing question
  • Margrabe's Exchange Option - medium options_pricing question
  • Mean-Reversion Half-Life via OLS - medium time_series question
  • Conditional Drawdown at Risk - medium risk_management question
  • Weighted Pearson Correlation - easy statistical_analysis question
  • Two-State Hidden Markov Model: Viterbi Decoding - hard machine_learning question
  • Oracle Approximating Shrinkage (OAS) Covariance Estimator - medium data_manipulation question
  • Realized Semivariance Decomposition - medium time_series question
  • Implementation Shortfall - easy backtesting question
  • Bootstrap Confidence Interval for Sharpe Ratio - easy statistical_analysis question
  • Geometric Brownian Motion MLE - medium time_series question
  • Factor Model Residual Decomposition - medium machine_learning question
  • Merton Distance-to-Default - hard risk_management question
  • Upside/Downside Capture Ratios - easy backtesting question
  • Dynamic Time Warping Distance - medium time_series question
  • Hierarchical Risk Parity Portfolio Weights - hard portfolio_optimization question
  • Cornish-Fisher Parametric VaR - medium risk_management question
  • GJR-GARCH(1,1) Conditional Variance Sequence - medium time_series question
  • PSD Matrix Repair via Eigenvalue Clipping - medium data_manipulation question
  • Diebold-Mariano Forecast Comparison Test - easy statistical_analysis question
  • Hurst Exponent via Rescaled Range Analysis - medium time_series question
  • Realized Kernel Variance with Bartlett Correction - hard statistical_analysis question
  • GARCH(1,1) Log-Likelihood - medium statistical_analysis question
  • AR(p) Order Selection via AIC - medium time_series question
  • Yang-Zhang OHLC Volatility Estimator - easy statistical_analysis question
  • Parkinson Range-Based Volatility - easy statistical_analysis question
  • Parametric Component VaR - medium risk_management question
  • Christoffersen Conditional Coverage Backtest - hard backtesting question
  • Durbin-Watson Autocorrelation Statistic - easy statistical_analysis question
  • Black-Scholes Delta, Gamma, and Vega - medium options_pricing question
  • CRR Binomial Tree European Option Pricing - medium options_pricing question
  • Maximum Diversification Portfolio - hard portfolio_optimization question
  • Probabilistic Sharpe Ratio - hard statistical_analysis question
  • Kupiec Proportion of Failures VaR Backtest - medium risk_management question
  • ARCH LM Test for Conditional Heteroscedasticity - medium time_series question
  • Cramer-von Mises Normality Test - medium statistical_analysis question
  • Pairs Trading Z-Score Signal - medium backtesting question
  • Dollar Bar Construction - medium data_manipulation question
  • Yield to Maturity via Newton-Raphson - medium options_pricing question
  • Recursive Least Squares with Forgetting Factor - hard time_series question
  • Garman-Klass Volatility Estimator - medium risk_management question
  • Nelson-Siegel Yield Curve Fit - medium options_pricing question

Quant Trader Questions (50)

Trading MCQs, probability brainteasers, and market scenarios

  • Expected Value of Perfect Information - hard Conditional Expected Value question
  • Zipf Distribution in Order Flow - hard Market Microstructure question
  • One-Step Binomial Model: Risk-Neutral Probability - medium Options & Greeks question
  • Curse of Dimensionality in Finance - medium Data Science question
  • Markov Chain Steady State - hard Probability & Statistics question
  • Dark Pool Midpoint Fill - medium Market Microstructure question
  • Contango and Roll Yield - easy Finance question
  • Drunkard's Walk - hard Probability & Statistics question
  • Order Book Data Structure - medium Number Theory & Algorithms question
  • Portfolio Aggregate Delta Calculation - medium Options & Greeks question
  • Entropy of a Fair Die - medium Probability & Statistics question
  • S&P 500 Backtest Bias - medium Regression Analysis question
  • Lévy Flight Trader - hard Probability & Statistics question
  • Conditional Independence and Marginal Independence - medium Conditional Probability question
  • False Discovery Rate Control - hard Regression Analysis question
  • Covariance Calculation - easy Probability & Statistics question
  • Jensen's Inequality and Log Returns - medium Probability & Statistics question
  • Poisson Arrival Probability - easy Probability & Statistics question
  • Volatility Drag Calculation - medium Finance question
  • Memory-Mapped Tick Data - medium Networking & Systems question
  • Jumbo Frames and Throughput - easy Networking & Systems question
  • TCP Congestion Control Impact - medium Networking & Systems question
  • Kernel Ring Buffer Performance - hard Networking & Systems question
  • NUMA-Aware Memory Allocation - hard Networking & Systems question
  • Spin Lock vs Mutex - medium Networking & Systems question
  • Context Switching and Thread Pinning - medium Networking & Systems question
  • MESI Protocol and False Sharing - hard Networking & Systems question
  • Zero-Copy Latency Impact - hard Networking & Systems question
  • Nagle's Algorithm Latency Impact - medium Networking & Systems question
  • PTP vs NTP Precision - medium Networking & Systems question
  • FPGA vs CPU Order Processing - medium Networking & Systems question
  • Multicast vs. Unicast Market Data - medium Networking & Systems question
  • DPDK Latency Reduction - hard Networking & Systems question
  • TCP vs UDP for Market Data - easy Networking & Systems question
  • Swaption Pricing Model - hard Algorithms & Data Structures question
  • Cross-Currency Swap Features - hard Financial Instruments question
  • TIPS Principal Adjustment - medium Algorithms & Data Structures question
  • Callable Bond Convexity - hard Algorithms & Data Structures question
  • Convertible Bond Embedded Option - hard Algorithms & Data Structures question
  • Repo Rate and Financing - medium Algorithms & Data Structures question
  • Immunization with Duration Matching - medium Algorithms & Data Structures question
  • Bootstrapping a Yield Curve - hard Algorithms & Data Structures question
  • Z-Spread vs OAS on Callable Bonds - hard Algorithms & Data Structures question
  • Credit Default Swap Trigger Event - medium Algorithms & Data Structures question
  • OIS-SOFR Spread Interpretation - medium Algorithms & Data Structures question
  • Swap Rate vs. Par Rate - medium Algorithms & Data Structures question
  • Key Rate Duration vs. Effective Duration - hard Algorithms & Data Structures question
  • DV01 Calculation - medium Algorithms & Data Structures question
  • Bond Price Change Approximation - medium Algorithms & Data Structures question
  • Decimal Precision in Trading - easy Code Analysis question

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