Trainee Trader Interview Questions

8,646 trainee trader interview questions shared by candidates

1 of the Final Round question: there is a token, which works as the following: you can pay XX$ to buy it, and then propose a bet. If you wins the bet, then that's it, and you can keep the token and use it in next round. If you lose the bet, you can use the token to take back half of your money. How much is that token worth based on the chips both side have on that day?
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Assistant Trader

Interviewed at Jane Street

4.4
Sep 28, 2012

1 of the Final Round question: there is a token, which works as the following: you can pay XX$ to buy it, and then propose a bet. If you wins the bet, then that's it, and you can keep the token and use it in next round. If you lose the bet, you can use the token to take back half of your money. How much is that token worth based on the chips both side have on that day?

A bus has some number of people initially. At first stop, three quarters of the passenger get off, and 7 get on the bus. At the second stop, the same thing happened, three quarters of the passenger get off, and 7 get on the bus. At the third stop, exactly the same thing happened as previous two stops. What is the minimum number of passengers to start with?
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Quantitative Trader

Interviewed at Jane Street

4.4
Dec 15, 2013

A bus has some number of people initially. At first stop, three quarters of the passenger get off, and 7 get on the bus. At the second stop, the same thing happened, three quarters of the passenger get off, and 7 get on the bus. At the third stop, exactly the same thing happened as previous two stops. What is the minimum number of passengers to start with?

Pretty standard question that has been asked before... keep flipping a coin until a winning combination appears (either HHT or HTT). Which strategy would you pick given the choice and why. Find the probabilities of winning associated with each strategy.
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Assistant Trader

Interviewed at Jane Street

4.4
Sep 3, 2012

Pretty standard question that has been asked before... keep flipping a coin until a winning combination appears (either HHT or HTT). Which strategy would you pick given the choice and why. Find the probabilities of winning associated with each strategy.

We are going to bet on a football game for $10. Halfway through the game I can choose to raise the bet to $20. After I raise the bet to $20 you have a crystal ball that tells your chances of winning the game, what is the minimum probability of winning in order for you to take the bet. (note: if you decline the raise you forteit your original $10. IF you accept, $20 is on the line.
avatar

Assistant Trader

Interviewed at Susquehanna International Group

3.8
Nov 1, 2012

We are going to bet on a football game for $10. Halfway through the game I can choose to raise the bet to $20. After I raise the bet to $20 you have a crystal ball that tells your chances of winning the game, what is the minimum probability of winning in order for you to take the bet. (note: if you decline the raise you forteit your original $10. IF you accept, $20 is on the line.

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