Quantitative Research Intern Interview Questions

3,500 quantitative research intern interview questions shared by candidates

Markov and coin tosses questions. Probability that a table with 3 legs places randomly on a circle doesn't fall. Questions about what would happens if features were correleated, why this model not another one, why this hyperparameter. difference ridge vs lasso. difference supervised vs unsupervised
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Graduate Quantitative Researcher

Interviewed at Optiver

3.7
Jan 9, 2026

Markov and coin tosses questions. Probability that a table with 3 legs places randomly on a circle doesn't fall. Questions about what would happens if features were correleated, why this model not another one, why this hyperparameter. difference ridge vs lasso. difference supervised vs unsupervised

The questions were mostly about my previous experiences in other companies and during my studies. The idea was to assess my problem solving and research abilities, as well as my technical skills. The other questions were "fit" question, to get to know me and make sure I would integrate well with my colleagues.
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Quantitative Researcher

Interviewed at Blockchain

4.2
Aug 22, 2024

The questions were mostly about my previous experiences in other companies and during my studies. The idea was to assess my problem solving and research abilities, as well as my technical skills. The other questions were "fit" question, to get to know me and make sure I would integrate well with my colleagues.

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