Quant Finance Interview Questions

Prepare for quant interviews with probability, statistics, stochastic processes, derivatives, brainteasers, mental math and coding questions across research, trading and development roles.

This practice bank contains role-specific technical and behavioral questions with structured model answers. Visitors can filter by topic and difficulty, bookmark questions and track readiness; five questions per career are available in the free preview.

What to prepare

• Probability and statistics
• Stochastic processes and derivatives
• Mental math and brainteasers
• Algorithms and coding
• Quant research and trading judgment

Representative quant finance interview questions

1. Probability — fundamentals: What is the expected value of a die roll?
2. Probability — fundamentals: What is the mean and variance of a Bernoulli(p)?
3. Probability — fundamentals: What is the probability of at least one 6 in 4 rolls?
4. Probability — fundamentals: What is state Bayes' theorem?
5. Probability — fundamentals: What is monty Hall problem: should you switch?
6. Probability — fundamentals: What is the central limit theorem?
7. Probability — fundamentals: What is the law of large numbers?
8. Probability — fundamentals: What is the expected number of flips to get a head?
9. Probability — fundamentals: What is the difference between covariance and correlation, and why does that distinction matter in practice?
10. Probability — fundamentals: What is a log-normal distribution and where does it appear?
11. Probability — classic cases: What is flip until HH: expected number of flips?
12. Probability — classic cases: What is flip until HTH: expected number of flips?
13. Probability — classic cases: What is the expected value of the max of two dice?
14. Probability — classic cases: What is roll a die, you may re-roll once: optimal expected value?
15. Probability — classic cases: What is two players alternate flips, first heads wins: probability the first player wins?
16. Probability — classic cases: What is birthday paradox: probability 2 of 23 share a birthday?
17. Probability — classic cases: What is coupon collector: expected draws to collect n distinct coupons?
18. Probability — classic cases: What is draw cards until the first ace: expected number drawn?

Related interview guides

• Investment Banking Interview Questions
• Private Equity Interview Questions
• Asset Management Interview Questions
• Hedge Fund Interview Questions

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