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      Old Mission

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      Junior Quant Trader Interview

      10 Dec 2025
      Anonymous interview candidate
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at Old Mission

      Interview

      - Hackerrank interview with 35 probability questions and 1 coding question. Probability questions were medium and coding question was medium. You were given the questions in increasing difficulty and they range from brainteasers to a numerical computation. Python question at the end was standard

      Interview questions [1]

      Question 1

      Q: Probability of rolling an 8 for two 6-sided dice
      Answer question
      1

      Other Junior Quant Trader interview reviews for Old Mission

      Junior Quant Trader Interview

      24 Sept 2025
      Anonymous interview candidate
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at Old Mission

      Interview

      After applying, the first HackerRank is just sequences and probability. Time restricted, not very difficult. If you pass, you are sent another hacker rank for Python and more probability questions.

      Interview questions [1]

      Question 1

      Find the next number in this sequence.
      1 Answer
      1

      Junior Quant Trader Interview

      19 Aug 2024
      Anonymous interview candidate
      No offer
      Neutral experience
      Difficult interview

      Application

      I interviewed at Old Mission

      Interview

      Pretty rigorous with lots of math, statistics and market making. Lots of interviews and lots of rounds. Definitely need to be well prepared in order to do well. Process is also pretty quick, recruiters respond quickly.

      Interview questions [1]

      Question 1

      Why old mission and quant trading
      Answer question
      1

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