Trader Junior Interview Questions

1,531 trader junior interview questions shared by candidates

Most of the interview was focused on resume, to include finance technicals, but also asked 1 probability and 1 brainteaser. Probability: the classic uniform arrival problem. Person A and B agree to arrive between 1 and 2 pm. However, they forgot to set a specific time. Both will wait for 15 minutes upon arrival, what is P(meeting)? Brainteaser: Given that you have a convex n-gon, how many unique lines can be drawn that connect vertices?
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Junior Discretionary Trader

Interviewed at Squarepoint Capital

4
Sep 25, 2025

Most of the interview was focused on resume, to include finance technicals, but also asked 1 probability and 1 brainteaser. Probability: the classic uniform arrival problem. Person A and B agree to arrive between 1 and 2 pm. However, they forgot to set a specific time. Both will wait for 15 minutes upon arrival, what is P(meeting)? Brainteaser: Given that you have a convex n-gon, how many unique lines can be drawn that connect vertices?

math assessment you should practice on mental math. its simple addition/subtraction and multiply/division but you have to be quiet at solving the problem. - you should be able to score at around 55 out of 80 to move on. trader interview -review probability and stats and practice on brainteasers
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Junior Trader

Interviewed at Optiver

3.8
May 14, 2014

math assessment you should practice on mental math. its simple addition/subtraction and multiply/division but you have to be quiet at solving the problem. - you should be able to score at around 55 out of 80 to move on. trader interview -review probability and stats and practice on brainteasers

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