Quantitative Trader Interview Questions

1,130 quantitative trader interview questions shared by candidates

They asked me to find the optimal strategy in a finite sequential game where outcomes were determined by discrete probabilities that had to be inferred from the nature of the problem itself (no. of cards, numbers on cards, etc.). This problem involved maximizing a reward under uncertainty.
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Quantitative Trader

Interviewed at Jane Street

4.4
Dec 4, 2025

They asked me to find the optimal strategy in a finite sequential game where outcomes were determined by discrete probabilities that had to be inferred from the nature of the problem itself (no. of cards, numbers on cards, etc.). This problem involved maximizing a reward under uncertainty.

There were some very primitive online tests, followed by an interview with someone asking logical reasoning and numerical reasoning questions. Following this, there was an interview with the CEO and a chance to go to Dubai for further interviews. I decided to withdraw after the interview with the CEO.
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Quantitative Trader

Interviewed at Cobblestone Energy

4
Sep 21, 2021

There were some very primitive online tests, followed by an interview with someone asking logical reasoning and numerical reasoning questions. Following this, there was an interview with the CEO and a chance to go to Dubai for further interviews. I decided to withdraw after the interview with the CEO.

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