Trexquant Investment Quantitative Analyst interview with a Markov-chain problem

The process started with an HR call about my background and fit. I then had a technical interview with a quant researcher. It included a LeetCode medium question, then shifted into a more research-oriented problem involving a Markov chain and expected steps using a cube-like setup. What I remember most is that they followed up on the mathematics and also wanted an efficient way to simulate the id…

Shared by a candidate · reported Mar 2026. Interview formats change; use it as a guide, not a script.