Is it hard to get hired as a Quantitative Analyst at Citadel Securities?

Quantitative Analyst applicants have rated the interview process at Citadel Securities with 3.5 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 50% positive. To compare, the company-average is 53.8% positive. This is according to Glassdoor user ratings.

Where can I find Citadel Securities interview experiences by job title?

Quantitative Researcher (41) ; Software Engineer (30) ; Trader (18) ; Intern (8) ; Trading Intern (8) ; Software Engineer(Internship) (7) ; Fundamental Analyst (5) ; Quantitative Developer (5) ; SRE Engineer (5) ; Analyst (4) ; Junior Trader (4) ; Quantitative Trader (4) ; Quantitative Trading Intern (4) ; Software Developer (4) ; Quant Trader Intern (3)

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Citadel Securities

Citadel Securities Quantitative Analyst interview questions

based on 6 ratings - Updated May 6, 2026

Difficult interview difficulty

Very positive interview experience

How others got an interview

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Interview search

6 interviews

Quantitative Analyst Interview

May 6, 2026

Anonymous Interview Candidate

No offer

Neutral experience

Average interview

Application

I interviewed at Citadel Securities (Miami, FL)

Interview

Applied through a recruiter, had a zoom call with a PM in Miami. Interviewer was nice but they did not sound like they are actually hiring so it's a bit confusing

Quantitative Analyst Interview

Mar 19, 2026

Anonymous Interview Candidate

No offer

Positive experience

Average interview

Application

I interviewed at Citadel Securities (Zürich)

Interview

Started with technical questions on standard statistics and ml after a brief introduction. Questions got progressively harder and required more intuition, for example on correlation and how to handle model assumptions.

Interview questions [1]

Question 1

Assumptions of OLS and scenarios where you would implement it over other models

Answer question

Quantitative Analyst Interview

Nov 4, 2025

Anonymous Interview Candidate

No offer

Positive experience

Average interview

Application

I interviewed at Citadel Securities (London, England)

Interview

Reasonable probability focus — mainly Greenbook material and standard distribution or Markov chain questions. Nothing unusual or tricky; just solid core topics worth revising thoroughly. All quite expected overall. Nothing unexpected,

Interview questions [1]

Question 1

Coinflip EV questions - first Heads, Tails or Heads Heads

Answer question

Viewing 1 - 5 of 6 Interviews

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Citadel Securities

Citadel Securities Quantitative Analyst interview questions

Difficult interview difficulty

Very positive interview experience

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Quantitative Analyst Interview

Quantitative Analyst Interview

Quantitative Analyst Interview

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