Citadel Equity Quantitative Research Intern interview questions
based on 1 rating - Updated Oct 3, 2025
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Equity Quantitative Research Intern applicants have rated the interview process at Citadel with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 46.4% positive. This is according to Glassdoor user ratings.
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I applied online. I interviewed at Citadel (New York, NY)
Interview
First round interview was one somewhat difficult question involving probability and finding a closed form solution. It involved finding an optimal weight for a probability style question. I needed to know formula for correlation, which I forgot in the moment, but the interviewer helped me. Rejected before moving on.
Interview questions [1]
Question 1
How to find optimal weight for a probability problem.