Interview Prep
Quant interviews test probability, statistics, quick math and clear reasoning. Practice them here, from easy to hard.
Choose your role
01Quant ResearcherFinds and tests ideas in data, with interviews on probability and statistics.02Quant TraderTrades under time pressure, with interviews on fast math and betting games.03Quant DeveloperBuilds the trading systems, with interviews that start with coding.04Risk / Model ValidationChecks risk and models at banks, with interviews on statistics and finance.
How interviews run
01Online testA timed test of quick math, probability and sometimes code.
02ScreensOne or two calls by phone or video, where you solve problems out loud.
03Final roundSeveral interviews in one day, often called a superday.
Each role has its own process. See the details under your role.
Firm types
Top trading firms and large fundsMany rounds at a fast pace, where hard questions are expected.
BanksA structured process with medium puzzles and harder questions on pricing and risk.
Smaller funds and fintechsFewer rounds with more statistics and code, where your own project often decides.
My own rating from public candidate reports, from 1 for easy to 5 for hard.
All categories
01BrainteasersEasy7Medium6Hard602ProbabilityEasy7Medium7Hard703StatisticsEasy7Medium6Hard604Finance TechnicalsEasy5Medium5Hard505Stochastic CalculusEasy5Medium5Hard506Mental MathPractice generator07Coding (Python)Easy6Medium6Hard608Market Making and Betting GamesEasy6Medium6Hard609BehavioralEasy5Medium5Hard510Questions about your projectsEasy5Medium5Hard5