150 Most Frequently Asked Questions On Quant Interviews Best

A medical test is 99% accurate (sensitivity and specificity). A disease affects 0.1% of the population. If a patient tests positive, what is the actual probability they have the disease?

How do you price a digital cash-or-nothing call option using the risk-neutral valuation framework?

: What is the probability that the top two cards of a well-shuffled 52-card deck are both aces? 150 Most Frequently Asked Questions On Quant Interviews

: Define path-dependent derivatives. How do Asian options (average price) and Lookback options (maximum/minimum price) differ in valuation complexity?

Explain the mathematical update rule for Stochastic Gradient Descent (SGD) versus Adam optimization. A medical test is 99% accurate (sensitivity and specificity)

Interviewers use these to see how you handle the "unknown." They aren't looking for the right answer as much as a logical, structured thought process . Common puzzles involve coin flipping, bridge crossing, or lightbulb logic problems. 5. Behavioral Fit

"Because the normal is symmetric but we cut off half the distribution – the expected value shifts to the conditional mean, not the median." How do you price a digital cash-or-nothing call

What are the restrictions on the eigenvalues of a stochastic/Markov matrix?