Trainee Trader Interview Questions

11,671 trainee trader interview questions shared by candidates

Google the game 'Shut the box'. He asked me to figure out the average score someone has at the end of the game if they play the 'optimal' strategy. After getting this number, he wanted to know how this would change if instead of playing the optimal strat, they made random moves. Super open ended problem.
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Quantitative Trader

Interviewed at Jane Street

4.4
Mar 29, 2019

Google the game 'Shut the box'. He asked me to figure out the average score someone has at the end of the game if they play the 'optimal' strategy. After getting this number, he wanted to know how this would change if instead of playing the optimal strat, they made random moves. Super open ended problem.

1. find me the angle between the hour and minute hand on the old clock if the time is 14:20 2. If my 3 chickens layed 3 eggs in 3 days. How many eggs would 9 chickens lay in 9 days 3. If I wrote down the numbers 1 to 200 on a piece of paper, how many times would the digit 2 appear 4. the probability of raining on saturday is 0.4, and sunday is 0.5: A. What is the probabaility of raining at least once during the weekend if the events are independent B. If there's positive correlation between the days, how will the answer A change C. given that there can be any sort of correlation between the days. tell me the maximum and minimum to the answer of A 5. the value of a treasure chest is worth uniformly distributed between 1-1000. You can bid any price. If the bidding price is lower than the value, nothing happens. If the bidding price is higher than the value, you must purchase ti at the bidding price, and also have the option to resell it at 1.5 times its original value. What is your strategy
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Assistant Trader

Interviewed at Jane Street

4.4
Oct 7, 2014

1. find me the angle between the hour and minute hand on the old clock if the time is 14:20 2. If my 3 chickens layed 3 eggs in 3 days. How many eggs would 9 chickens lay in 9 days 3. If I wrote down the numbers 1 to 200 on a piece of paper, how many times would the digit 2 appear 4. the probability of raining on saturday is 0.4, and sunday is 0.5: A. What is the probabaility of raining at least once during the weekend if the events are independent B. If there's positive correlation between the days, how will the answer A change C. given that there can be any sort of correlation between the days. tell me the maximum and minimum to the answer of A 5. the value of a treasure chest is worth uniformly distributed between 1-1000. You can bid any price. If the bidding price is lower than the value, nothing happens. If the bidding price is higher than the value, you must purchase ti at the bidding price, and also have the option to resell it at 1.5 times its original value. What is your strategy

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