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Citadel Securities Research Analyst Interview Questions

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

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1
Statistics & ProbabilityStart here. 5 questions · ~40 min
Variance of Beta DistributionMedium

Tests knowledge of distribution properties and correct computation of variance and related moments.

probabilityVarianceCitadel Securities
Positive Definite MatricesMedium

Tests understanding of covariance structure and linear algebra properties used in statistical modeling.

linear algebraCitadel Securities
Expected Value of Dice and CoinsMedium

Tests proficiency computing expectations and understanding linearity of expectation in probability.

probabilityExpected ValueCitadel Securities
Hypothesis Testing on Market DataMedium

Tests ability to design and validate statistical tests under realistic market noise and uncertainty.

Hypothesis TestingData AnalysisCitadel Securities
Balls and Bins ConstraintsMedium

Tests probabilistic reasoning and ability to compute expectations or distributions under constraints.

combinatoricsprobabilityCitadel Securities
2
Behavioral & Leadership8 questions · ~64 min
Applying Research to Market MakingMedium

Tests ability to translate research methods into practical market-making analytics and modeling.

Problem SolvingCitadel Securities
Logic Behind a Technical ProjectMedium

Tests depth of technical reasoning and ability to connect problem framing to implementation decisions.

logicexplanationCitadel Securities
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3
More topics1 question · ~8 min
Estimation and Market Making StrategyMedium

Evaluates your strategy for solving estimation and market-making questions relevant to Citadel Securities.

Estimationmarket makingCitadel Securities

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