The QuantVault problem bank

3,286 quant interview problems with worked solutions, across 17 topics. 391 problems are free with full step-by-step solutions — no account needed. The rest are part of QuantVault Pro.

Topics

• Coding — 782 problems
• Probability — 561 problems
• Expectation — 434 problems
• Statistics — 204 problems
• Combinatorics — 179 problems
• Regression — 168 problems
• Optimization — 125 problems
• Options Pricing — 123 problems
• Brain Teaser — 101 problems
• Game Theory — 100 problems
• Machine Learning — 90 problems
• Finance — 89 problems
• Market Microstructure — 81 problems
• Stochastic Process — 70 problems
• Linear Algebra — 67 problems
• Time Series — 66 problems
• Random Variables — 46 problems

Free problems with full solutions

• Identifying a Truth-Teller With One Question Brain Teaser · medium
• Poisoned Bottle Identification with Binary Testing Brain Teaser · medium
• Breaking a Stick into a Triangle Probability · easy
• Expected Time for All Ants to Fall Off a Stick Expectation · hard
• HHT Before THH in Coin Flips Probability · medium
• Mislabeled Bins Brain Teaser · easy
• Monty Hall With Envelopes Probability · medium
• Optimal Stopping: Three-Roll Dice Game Expectation · medium
• The Secretary Problem Expectation · hard
• Acute Triangle from Random Points on a Circle Probability · medium
• Airplane Boarding Problem Expectation · medium
• Bertrand's Box Paradox Probability · easy
• Bugs on a Bar Expectation · medium
• Eight Coins, One Heavier: Two Weighings Combinatorics · medium
• Expected Payoff of the Red-Black Card Game Expectation · hard
• Expected Sum of Rolls in the Coupon Collector Problem Expectation · medium
• Fair Outcome from an Extremely Biased Coin Probability · hard
• Five Points on a Hemisphere Probability · hard
• Four Switches, One Light Bulb Brain Teaser · medium
• Hilbert's Hotel: Accommodating Infinite Guests Brain Teaser · medium
• Keep or Play: Optimal Replay in a Coin-Flipping Game Expectation · medium
• Optimal Coin Pair Reflipping Expectation · medium
• Optimal Sample Size Before a Directional Bet Expectation · hard
• Optimal Switching in the Two Envelope Problem Probability · medium
• Parity of the Last Element in a Set Reduction Game Brain Teaser · medium
• Witness Reliability and Bayes' Theorem Probability · medium
• Counterfeit Coin With One Weighing Brain Teaser · easy
• Coupon Collector's Problem Expectation · medium
• Expected Number of Fixed Points in a Random Permutation Expectation · medium
• Expected Winnings of a Repeat-Stop Dice Game Expectation · medium
• Gambler's Ruin on a Fair Coin Probability · easy
• Marble Parity Puzzle Probability · medium
• Two Children and a Boy Probability · easy
• Average Speed Over Two Laps Brain Teaser · medium
• Bayesian Die Identification Probability · easy
• Beating a Loaded Die Probability · easy
• Birthday Problem Probability · easy
• Blind Coin Flip Strategy Brain Teaser · easy
• Bridge and Lantern Crossing Optimization Optimization · medium
• Brownian Motion Exit From an Interval Stochastic Process · hard
• Coin Swap II: Equal Winning Probability Probability · medium
• Consecutive Wins Game Probability · medium
• Dice With All Pairwise Sums Represented Combinatorics · medium
• Even vs Odd Heads and Coin Fairness Probability · medium
• Expected Arc Length Between Random Points on a Sphere Expectation · medium
• Expected Draws to First Ace Expectation · medium
• Expected Number of Local Maxima in a Circle Expectation · medium
• Expected Number of Loops from Tying Rope Ends Expectation · medium
• Expected Number of Uniforms to Exceed One Expectation · easy
• Expected Number of Uniforms to Exceed a Threshold Expectation · medium
• Expected Value of a Coin Flip Game Expectation · easy
• Gambler's Ruin with Biased Dice Probability · medium
• Guaranteed Birth Month Match: Pigeonhole Principle Combinatorics · easy
• HTH vs HH: Which Pattern Appears First? Stochastic Process · medium
• Jointly Normal and Uncorrelated Implies Independent Probability · medium
• Limiting Distribution of Fixed Points of a Random Function Probability · medium
• Matching Colors from Two Jars Probability · easy
• Monte Carlo Backtest of Kelly and Fractional Kelly Strategies Expectation · medium
• Monty Hall With 100 Doors Probability · easy
• Optimal Kelly Bet Sizing for a Mean-Reversion Signal Optimization · medium
• Optimal Stopping for Maximum of Uniforms Expectation · hard
• Optimal Stopping in a Blue-Red Ball Draw Game Theory · hard
• Order Statistics: Expectations and Densities for Uniform Samples Expectation · medium
• Pattern Race: HTH vs HHT Probability · medium
• Pirate Game and Coupon Collector's Problem Game Theory · easy
• Probability No One Gets Their Own Hat Probability · medium
• Probability Two Friends Sit Adjacent in a Row Probability · easy
• Probability a Random Triangle Contains the Center of a Circle Probability · medium
• Probability a Three-Legged Disk Table Stands Probability · medium
• Simpson's Paradox with Poisson Scoring Probability · hard
• Splitting One Uniform Into Two Independent Uniforms Probability · medium
• Tightest Moment Bound on a Tail Probability Probability · hard
• Total Score of a Random Partitioning Game Combinatorics · medium
• Unbiased Coin from a Biased Coin Expectation · medium
• Unknown Die with Uniform Sum Probability · easy
• Variance and Expectation Inequality Random Variables · easy
• Wallet Bid: Conditional Expected Total Expectation · medium
• Weekend Rain Bounds via Frechet-Hoeffding Probability · medium
• Absorption Probability on a Finite Random Walk Stochastic Process · hard
• Bayesian Coin Selection and Sequential Betting Probability · medium
• Breaking Even in a Coin Game Probability · medium
• Comparing a Dice Sum to a Coin Count Probability · medium
• Dice Sum vs. Coin Flip Count Probability · medium
• Distance Between Two Random Cutpoints Probability · medium
• Distinct Outcomes in Dice Rolls Probability · medium
• Expected Sum of Dice Rolls Until a Target Face Expectation · medium
• Generalized Monty Hall: n Doors Probability · medium
• Last Roll of a Cumulative Sum Game Expectation · easy
• Matching Multiset of Three Dice Rolls Probability · hard
• Maximize Red Marble Probability with Two Drawers Probability · medium
• Maximum of Multiple Dice Rolls Probability · easy
• Non-Transitive Dice Probability · easy
• Optimal Card Betting With a Known Deck Game Theory · hard
• Perfectly Balanced Dice Rolls Probability · medium
• Pirate Hat Puzzle: Cooperative Parity Strategy Game Theory · medium
• Poisson Limit of Lottery Winners Probability · medium
• Posterior Probability of a Double-Headed Coin Probability · easy
• Posterior for a Double-Headed Coin Probability · easy
• Probability That 1 Was Selected Given Increasing Order Probability · hard
• Probability of a Void Suit in a Card Hand Probability · medium
• Simulating a 2:3 Odds Ratio with Fair Coins Probability · medium
• Triangle Sharing a Side with a Regular Polygon Probability · medium
• Winning From Deuce With a Weaker Serve Probability · medium
• Age Whose Square Is the Year Brain Teaser · easy
• All Evens Before Any Odd on a Fair Die Probability · medium
• Bayesian Coin Identification Probability · easy
• Biased Random Walk Reaching Position 1 Probability · medium
• Corner Absorption From a 3x3 Center Stochastic Process · medium
• Day of the Week for January 1, 2078 Brain Teaser · medium
• Edit Distance (Levenshtein Distance) Coding · medium
• Even Heads with Mixed Fair and Unfair Coins Probability · medium
• Expected Rolls to Reach Position 10 in a Symmetric Random Walk Expectation · medium
• Expected Sum of Two Dice with Cancellation on Doubles Expectation · medium
• Half-Kelly Betting With Equal Wins and Losses Expectation · medium
• Optimal Guess in a Dice Payout Game Expectation · medium
• Probability That Uniform Plus Exponential Exceeds One Probability · medium
• Probability That a Uniform Quotient Lies in an Interval Probability · medium
• Probability That the Product of Three Dice Is Prime Probability · easy
• Probability a Group Sits Together at a Circular Table Probability · hard
• Probability of Exactly One Win Before Bankruptcy Probability · medium
• Probability of Three of a Kind in a 5-Card Hand Probability · medium
• Probability via Area: Point Above a Parabola in a Unit Circle Probability · medium
• Random Walk on a Telephone Pad: Divisibility by 2 Probability · medium
• Two-Digit Number Whose Digit Product Equals Half Itself Brain Teaser · easy
• Aces Before Kings: Probability via Exchangeability Probability · medium
• Bayesian Coin Inference and Kelly Betting with Beta Prior Expectation · hard
• Conditional Marble Draw with Three Colors Probability · medium
• Conditional Probability Under Sample Space Reduction Probability · easy
• Conditional Probability of a Weekend Party Day Probability · easy
• Counting Proper Parenthesizations (Catalan Numbers) Combinatorics · medium
• Defective Cat Plushie Expectation · medium
• Even vs. Odd Heads: Does Symmetry Force Fairness? Probability · medium
• Expected Absolute Value of a Normal Random Variable Expectation · medium
• Expected Adjacent Couples at a Round Table Expectation · medium
• Expected Distance to Escape a Room Expectation · medium
• Expected Flips for Consecutive Heads Expectation · medium
• Expected Flips for Two Consecutive Heads Expectation · medium
• Expected Hitting Time of a Birth-Death Chain Expectation · hard
• Expected Insertions to Pay a Parking Meter Expectation · medium
• Expected Mid Change From Poisson Order Flow Expectation · medium
• Expected Rolls Until Cumulative Sum Reaches n Expectation · medium
• Expected Rolls for a Consecutive 4-5 Sequence Expectation · medium
• Expected Steps Between Circle Intersections Expectation · medium
• First Repeated Die Roll Probability · medium
• First-Passage Probabilities and Optimal Barriers for Brownian Motion with Drift Stochastic Process · hard
• Fixed Point Probability in a Random Permutation Probability · easy
• Futures Exchange Data Feed Delay Probability · medium
• Generate Uniform 1-7 from Uniform 1-5 Probability · medium
• Glosten-Milgrom Zero-Profit Bid-Ask Quotes Market Microstructure · medium
• Last Marble Standing Probability · medium
• Last White Kitten with Three Black Remaining Probability · medium
• Lily Pad Doubling: Head Start Problem Brain Teaser · easy
• Lions and Gazelle: Backward Induction Game Theory · easy
• Marble Transfer: Conditional Probability Probability · easy
• Matching Royals: Each Player Gets One of Each Rank Probability · medium
• Minimal Market Spread Under Correlation Uncertainty Finance · hard
• Minimum Tests to Find the Broken Revision Combinatorics · easy
• Monte Carlo Methods and Variance Reduction Probability · medium
• Non-Adjacent Selection from 1 to 10 Probability · medium
• Odd Die, Even Result After Subtraction Probability · easy
• Pattern Waiting Time Expectation · hard
• Pirate Gold Division: Extending the Pattern Game Theory · hard
• Posterior Fair Value from Noisy Signal Probability · medium
• Posterior Probability of Gender Given Infection Probability · easy
• Prime Picker Expected Payoff Expectation · easy
• Probability a Random Subset Is Contained in Another Probability · medium
• Probability the Last Die Roll Is Two When Summing Past 100 Probability · hard
• Race to Three Heads Probability · hard
• Rainbow Train Rearrangement Probability · medium
• HTH vs HTT Pattern Race Probability · medium
• Random Walk on a Table -- Expected Steps to Fall Off Expectation · medium
• Scotty's Car Between Vacant Spots Probability · medium
• Stationary Distribution of a Candy Conveyor Belt Markov Chain Probability · easy
• The Birthday Problem: Shared Birthdays in a Room Probability · easy
• The Other Ball in the Box Probability · easy
• Three-Way Duel With Rational Players Game Theory · hard
• Tic-Tac-Toe by Random Ball Placement Probability · medium
• Trade-by-Trade Realized P&L Engine With FIFO Matching Coding · hard
• Two Marks in the Same Region Probability · easy
• Uniform Point in the Unit Disk Without Rejection Random Variables · medium
• Uniform Sum Distribution with Non-Fair Dice Probability · hard
• Unreliable Witness and Bayes' Theorem Probability · easy
• Bayesian Posterior with Two Binary Signals Probability · easy
• Chebyshev Bound for Bivariate Normal Difference Probability · medium
• Counting Friend Circles Coding · medium
• Dice Payoff: Product of Two vs. Square of One Expectation · easy
• Expected Chord Length Through a Disk (Random Radius Method) Expectation · medium
• Expected Distinct Cards from Packs Expectation · easy
• Expected Payoff of a Capped Coin-Flip Game Expectation · medium
• Expected Rolls to See an Odd Number Expectation · easy
• Expected Sum Until Rolling a 1 Expectation · medium
• Gaussian Half-Space Probability Probability · hard
• Lucky Lottery Probability Probability · easy
• Maximum Fair Penalty in a Dice Payout Game Expectation · medium
• Mean and Variance of a Mixture of Normals Expectation · medium
• Minimum Number of Rooms for Interval Partitioning Coding · medium
• Monte Carlo Estimation of Pi and e Probability · medium
• Probability of More Heads Than Tails With Odd Flips Probability · easy
• Probability of Truth Given Corroboration Probability · medium
• Sample Mean of a Product Sequence Probability · medium
• Snake Weight System of Equations Brain Teaser · easy
• The Fly Between Two Cars Expectation · easy
• Tyre Rotation for Maximum Distance Brain Teaser · medium
• 24 Game Solver Coding · medium
• Closest Median Profit Between Traders Coding · medium
• Conditional Expectation of Brownian Motion Given Its Absolute Value Expectation · medium
• Convex Quadrilateral from Random Chords Probability · medium
• Correlation Under Linear Transformations Random Variables · easy
• Eigenvalues of a Rank-1 Matrix Linear Algebra · easy
• Expected Adjacent Boy-Girl Pairs in a Random Line Expectation · medium
• Expected Length of a Zigzag Prefix Expectation · hard
• Expected Positions Exceeding Values in a Random Permutation Expectation · easy
• Expected Runs in a Card Deck Expectation · medium
• Expected Steps to Remove a Random Subtree Tree Expectation · medium
• Fair Dice Comparison: d20 vs. 3d6 Probability · medium
• Hitting a Fixed Target with a Growing Die Probability · hard
• How Many Green Gloves in the Box? Probability · easy
• MLE for a Bernoulli Parameter Statistics · easy
• Mean and Variance of a Clipped Normal Expectation · medium
• Optimal Blind Buy Time in a Three-State Process Stochastic Process · hard
• Posterior Return Probability with Binary Regime Indicators Probability · medium
• Probability of Four of a Kind in a 5-Card Poker Hand Probability · easy
• Standard Deviation of Nested Halving Intervals Expectation · medium
• Standard Normal MGF and Even Moments Expectation · medium
• C++ Class Design: 2D Point with Coordinates and Hashing Coding · medium
• C++ unordered_map Default Value Behavior Coding · easy
• C++: const Pointer Declarations Coding · easy
• Conditional Uniform Selection: Expected Value Expectation · easy
• Count Even-Product Triplets Combinatorics · easy
• Design Tic-Tac-Toe Coding · medium
• Distinct Orders to Break Stacked Targets Combinatorics · medium
• ETF Tracking Error: Tail Probability and VaR Statistics · hard
• Expected Radial Distance on a Circular Disk Expectation · easy
• Finding the Heavy Bean With a Balance Scale Combinatorics · medium
• Finding the k-th Hamming Number Coding · medium
• Limit of the Fibonacci Ratio Brain Teaser · easy
• Maximum Handshakers in a Room Combinatorics · easy
• Nim-Style Counting Game: Optimal Strategy and Losing Positions Game Theory · medium
• Numerically Stable Log-Sum-Exp and Softmax Coding · medium
• Optimal Strategy for Rolling a 20-Sided Die with 100 Chances Game Theory · medium
• Optimal Strategy for a Three-Card Game Game Theory · medium
• Probability That All Faces Appear in Consecutive Rolls Probability · hard
• Quickselect: Finding the K-th Smallest Element Coding · medium
• Ruler Length from Colored Segments Combinatorics · easy
• Shortest Subarray with Exactly K Distinct Values Coding · hard
• Sum of Weights From Pairwise Sums Combinatorics · easy
• Three Sum Coding · medium
• Three-Card Straight From Combined Decks Probability · medium
• Three-State Subset Count with Bold Elements Combinatorics · easy
• Two-Suit Five-Card Hand Count Combinatorics · easy
• Alternating Sum of Squares Combinatorics · easy
• Approximating Zeros of a Continuous Function Coding · medium
• Correct Interpretation of a Frequentist Confidence Interval Statistics · easy
• Counting Digit Occurrences in a Range Combinatorics · hard
• Design a Class with Save and N-th Smallest Query Coding · medium
• Digits of 2^1000 and 5^1000 Written Side by Side Combinatorics · easy
• Dividing Students into Labeled Groups Combinatorics · medium
• Expected Value and Variance of the Absolute Difference of Uniforms Expectation · medium
• Expected Value of the Geometric PMF at Its Own Random Variable Expectation · medium
• Expected Value of the Minimum of Two Uniforms Expectation · easy
• Integer Arithmetic on Decimal Strings Coding · medium
• Largest Fancy Number At Most N Combinatorics · hard
• Limit of Integer Partition Count Combinatorics · medium
• Maximum Drawdown in a Sliding Window Time Series · hard
• Poisson Probability Generating Function Expectation · easy
• Restricted Rock-Paper-Scissors Nash Equilibrium Game Theory · medium
• Sharing a Secret: Locks and Keys Combinatorics · medium
• Space Station Population Capacity Brain Teaser · easy
• Sum of Integers Without Digits 7 or 8 Combinatorics · easy
• Top META Trader by Transaction Volume Coding · medium
• Two-Sum on a Sorted Array Coding · easy
• Bayes-Optimal Decision Rule for a Noisy Signal Game Theory · medium
• Counting Game to 200 Game Theory · medium
• Eigenvalue Interpretation in PCA Linear Algebra · easy
• Expected Wait for Two Independent Train Lines Expectation · medium
• Joint Normal Conditional Probability Probability · hard
• Market Making the Population Guessing Game Game Theory · medium
• Maximum Profit from Stock Trades Coding · easy
• Minimax Card Number Assignment Game Theory · hard
• Newton's Method for Square Roots Optimization · medium
• Single-Elimination Tournament Bracket Count Combinatorics · easy
• Streaming Maximum Drawdown With Rolling Window Coding · medium
• Streaming Quantile Approximation with T-Digest Coding · hard
• Variance of an Exponentiated Gamma Random Variable Expectation · medium
• Bayesian Posterior for a Biased Die Statistics · medium
• Binomial Tree Option Pricer Options Pricing · medium
• Black-Scholes Assumptions and the American Call Delta Options Pricing · medium
• Blackjack Bonus Wagering Strategy Game Theory · medium
• Card Game: Redraw vs. Switch Option Game Theory · medium
• Compiler-Generated Special Member Functions in C++ Coding · easy
• False Discovery in Alpha Mining Statistics · medium
• K-Means Clustering From Scratch Machine Learning · medium
• Mean as the Minimizer of Squared Loss Optimization · easy
• Numerical / Monte Carlo Greek Estimation Options Pricing · hard
• Omitted Variable Bias and Suppressor Variables Regression · hard
• Out-of-Distribution Prediction: Dog Weight Regression Machine Learning · easy
• Proportional Resource Sharing Combinatorics · easy
• Python yield and C++ friend/static Keywords Coding · easy
• R-Squared Invariance Under Transformations Regression · easy
• Range of Reverse Regression Slope Given Forward Slope Regression · medium
• Smallest Multiple of 66 At Least 600,000 Combinatorics · easy
• Theta-Gamma Relationship and Delta-Hedged P&L Options Pricing · hard
• Vector Projection and Gram-Schmidt Orthogonalization Linear Algebra · medium
• Why Use Adjusted R-Squared? Regression · easy
• Winsorization Impact on OLS Statistics · hard
• Bayesian ML, Overfitting, and Error Metrics Statistics · medium
• Bayesian Update from a No-Trade Event Statistics · medium
• Bucket Sort for Uniform Samples Coding · medium
• Computing OLS When the Design Matrix Is Too Large for Memory Linear Algebra · medium
• Correlation Range with Four Variables Linear Algebra · hard
• Correlation of Sum and Difference Random Variables · easy
• Count Subarrays with Sum in a Range Coding · hard
• DAG Reachability Queries with Preprocessing Coding · hard
• Detecting Multicollinearity in OLS Regression · hard
• Effects of Multicollinearity on Regression Regression · medium
• Fisher Information for Exponential Samples Statistics · hard
• K Disjoint Maximum-Sum Subarrays Coding · hard
• Longest Increasing Subsequence with Reconstruction Coding · hard
• Maximum Non-Overlapping Interval Scheduling Coding · medium
• Maximum Points in a Rotating Angle Coding · medium
• OLS with Correlated Errors Regression · medium
• Online Mean and Variance for Streaming Returns Statistics · medium
• Order Book Data Structure and Arbitrage Detection Coding · hard
• Reducing Portfolio Volatility Finance · medium
• Second Largest with Minimum Comparisons Coding · hard
• Streaming Merge Join with Missing Keys Coding · medium
• Why We Divide by n-1 in Sample Variance Statistics · medium
• Count Subarrays With Sum Less Than K Coding · medium
• Eigenvalues of the All-Ones Matrix Linear Algebra · easy
• Gradient Boosting vs. Random Forests, Batch Normalization, and SGD Momentum Machine Learning · easy
• Hyperparameter Selection in Machine Learning Machine Learning · easy
• Longest Subarray With Sum K Coding · medium
• OLS vs Ridge vs Lasso Regression Regression · medium
• Optimal Fibonacci Computation Coding · medium
• Optimal Tender Price for a Block Trade Optimization · medium
• Optimal Tick Improvement for a Market Maker Optimization · medium
• Option Pricing on a Dice Product Options Pricing · easy
• Quantile Regression: Check Loss, KKT Conditions, and Scalable Optimization Regression · hard
• Sampling Multivariate Normals via Spectral Decomposition Linear Algebra · medium
• Shortest Path on a Grid with Alternating Move Directions Coding · medium
• Take-It-or-Leave-It Pricing with Adverse Selection Game Theory · medium
• Basket Return and Dollar P&L Calculation Finance · easy
• Delta of a Digital Call Option Options Pricing · medium
• Implied Probabilities and Bookmaker Overround Finance · easy
• Knowledge Gradient for Two Bernoulli Arms Optimization · hard
• OLS Assumptions, Violations, and Diagnostics Regression · medium
• OLS Coefficient Confidence Intervals Regression · medium
• Suppressor Variables in Multiple Regression Regression · medium
• Systematic vs. Idiosyncratic Risk Finance · easy
• ACF and PACF of an ARMA(1,1) Process Time Series · hard
• Bond Duration and Convexity Approximation Finance · medium
• Breusch-Pagan Heteroskedasticity Test Statistics · hard
• Cross-Sectional Factor Model Estimation and Diagnostics Regression · medium
• Detecting the Direction of Time in a Price Series Time Series · medium
• Estimating the Hurst Exponent via Rescaled Range Analysis Time Series · hard
• Estimation with Equicorrelated Normal Samples Statistics · hard
• From ML Signals to Live Trades Finance · medium
• Ljung-Box Test for Serial Correlation in Returns Statistics · hard
• Lookahead Bias From Universe Membership Leakage Machine Learning · medium
• Maximizing a Quadratic Form Optimization · medium
• Maximum Ones in a Nilpotent Binary Matrix Linear Algebra · hard
• Minimum of x^x on (0, 1] Optimization · medium
• Missing Data Imputation and Regression Pipeline Machine Learning · medium
• Nonparametric Walk-Forward Backtest Protocol Finance · hard
• Numerical Function Minimization via Gradient Descent Optimization · medium
• Order Book Dynamics and Price Formation Market Microstructure · easy
• Problems With L0 Regularization Optimization · medium
• Ridge vs. Lasso Regression Regression · medium
• Ridge vs. Lasso Regression: Theory and Practice Regression · medium
• Ridge vs. Lasso Shrinkage in the SVD Basis Regression · medium
• Straddle Gamma Across Price Movement Options Pricing · medium
• The Roll Spread Estimator Market Microstructure · medium
• CDS Par Spread Derivation Under Constant Hazard Rate Options Pricing · hard
• Comparing Forecasting Models for Daily Asset Returns Machine Learning · medium
• MDP Formulation for Stock Trading Optimization · medium
• Optimal Bid-Ask Quotes Against an Informed Trader Market Microstructure · medium
• Revenue Optimization with Poisson Demand Optimization · medium
• Two-Sided Market Making With Overround Finance · hard
• VaR and ES via Peaks-Over-Threshold Statistics · hard
• Designing a City Rent Prediction System Machine Learning · medium
• European Call Option With Infinite Maturity Options Pricing · medium
• Newton's Method: Quadratic Convergence Proof and Stopping Rule Optimization · medium
• Onsite Data Analysis Project Machine Learning · medium
• Replicating Arbitrary Payoffs with Calls and Puts Options Pricing · hard
• Black-Scholes Monte Carlo Pricer Options Pricing · hard
• Cross-Asset Market Making with Correlated Fundamentals Market Microstructure · hard
• Lamppost Toggle Cycle on a Square Stochastic Process · medium
• Martingale Property of Brownian Motion Stochastic Process · medium
• Robust Kalman Filtering: Handling Outlier Measurements Stochastic Process · hard