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Updated weekly · Last refresh Oct 17

Citadel Research Analyst Interview Questions

The questions to prepare for a Citadel Research Analyst interview. Questions from real interview reports rank first. Updated daily.

50questions
~7htotal time
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1
Statistics & ProbabilityStart here. 30 questions · ~242 min
Understanding Type I and Type II Errors in TestingMedium

Differentiate between Type I and Type II errors in hypothesis testing with a practical example.

Hypothesis TestingStatistical SignificanceP-ValuesCitadel
OLS Impact of Doubling SamplesHard

Evaluates reasoning about OLS estimation and how sample size affects estimates.

Citadel
Covariance Matrix BasicsMedium

Assesses understanding of covariance and its role in multivariate statistics.

Citadel
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2
Strategy4 questions · ~32 min
Game Theory in Research InterviewHard

Tests your ability to model strategic interactions and reason about equilibria or optimal strategies.

Competitive AnalysisNetwork EffectsMoatsCitadel
Macro Impact on Asset ClassesHard

Tests ability to connect macro drivers to asset-class behavior and form an actionable analysis.

EstimationCompetitive AnalysisMarket SizingCitadel
Analyze a Financial ModelMedium

Tests ability to interpret financial modeling outputs and communicate decision-relevant implications.

EstimationCompetitive AnalysisMarket SizingCitadel
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3
Behavioral & Leadership15 questions · ~121 min
Presenting Project Methodology and ResultsEasy

Tests structured communication, ownership, prioritization, and stakeholder management through a concrete project overview.

CommunicationLeadershipOwnershipCitadel
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4
More topics1 question · ~8 min
Optimizing Algorithm ComplexityMedium

Tests algorithmic thinking and tradeoff awareness when improving performance.

User NeedsUse CasesProduct VisionCitadel
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