1,000+ quant interview questions for Jane Street, Citadel, Two Sigma, DE Shaw, and other top quantitative finance firms.
Statistical analysis and quantitative modeling problems
Trading MCQs, probability brainteasers, and market scenarios
Practice quant interview questions on MyntBit - the all-in-one quant learning platform. Free questions available for C++ coding, Python problems, probability brainteasers, and trading MCQs.
Difficulty: Medium
Category: Market Microstructure
Practice quant interview questions from top firms including Jane Street, Citadel, Two Sigma, DE Shaw, and other leading quantitative finance companies.
Topics: probability, random-walk, ruin-probability, mental-math
A confused trader, let's call him Bob, stands at position 1 on a number line. Position 0 represents financial ruin (bankruptcy). At each time step, Bob moves either +1 (representing a winning trade) with probability $p = 2/3$ , or -1 (representing a losing trade) with probability $q = 1/3$ . What is the probability that Bob eventually reaches position 0 and faces ruin?
Practice this medium trader interview question on Myntbit - the all-in-one quant learning platform with 1000+ quant interview questions for Jane Street, Citadel, Two Sigma, and other top quantitative finance firms.