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Updated weekly · Last refresh Aug 30

Citadel Research Analyst Interview Questions

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

50questions
~7htotal time
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1
Statistics & ProbabilityStart here. 32 questions · ~259 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
Regression, PCA, and RegularizationMedium

Tests ability to connect core statistical modeling techniques in a coherent workflow.

RegressionCorrelationVarianceCitadel
Drunk Man Random Walk ReasoningHard

Tests your ability to model random walks and compute hitting probabilities under uncertainty.

VarianceExpected ValueConditional ProbabilityCitadel
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2
Strategy4 questions · ~32 min
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
Game Theory From Your ResearchHard

Tests your ability to connect game theory concepts to your research and explain the linkage convincingly.

Competitive AnalysisNetwork EffectsMoatsCitadel
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3
Behavioral & Leadership13 questions · ~105 min
Explaining Research to Non-ExpertsMedium

Tests communication of complex research under ambiguity, especially influencing non-experts and aligning stakeholders around action.

Stakeholder ManagementCommunicationOwnershipCitadel
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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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