Trader Quant Interview Questions

741 trader quant interview questions shared by candidates

You and an opponent are each given a number between 0 and 1 uniformly, and the higher number wins 1 point from the other. Having seen your number and not your opponents, you can choose offer double the odds or just continue to see their number. If you offer double, the opponent can, having seen their number either reject the offer (losing 1) or play double, potentially losing or winning 2 based on the numbers. How should you play?
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Quant Trader Intern

Interviewed at Jane Street

4.4
Dec 12, 2024

You and an opponent are each given a number between 0 and 1 uniformly, and the higher number wins 1 point from the other. Having seen your number and not your opponents, you can choose offer double the odds or just continue to see their number. If you offer double, the opponent can, having seen their number either reject the offer (losing 1) or play double, potentially losing or winning 2 based on the numbers. How should you play?

Probability and statistics questions: e.g. I am playing a dice game with a six-sided dice. I can roll the dice as many times as possible until I roll a 6 at which point I can't roll anymore. The amount of points I get is the sum of the numbers I roll. However, if I roll a 6 (and have to stop rolling), then my score becomes 0. What is the best strategy for the game?
avatar

Quant Trader Intern

Interviewed at Jane Street

4.4
Jan 31, 2024

Probability and statistics questions: e.g. I am playing a dice game with a six-sided dice. I can roll the dice as many times as possible until I roll a 6 at which point I can't roll anymore. The amount of points I get is the sum of the numbers I roll. However, if I roll a 6 (and have to stop rolling), then my score becomes 0. What is the best strategy for the game?

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