Graduate Quant Researcher applicants have rated the interview process at Citadel Securities with 2 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 53.8% positive. This is according to Glassdoor user ratings.
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I interviewed at Citadel Securities (London, England)
Interview
After resume screen had to send my availability and GPA. Asked about cv and a personal project, which the interviewer didn't seem to understand very well. Interviewer was quite chill. Then an easy probability question, but was hard to explain the reasoning on the shared notepad
Interview questions [1]
Question 1
What's the probability of getting an even number of heads after throwing n coins?