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Updated weekly · Last refresh Aug 30

Aqr Research Scientist Interview Questions

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

39questions
~5htotal time
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1
Statistics & ProbabilityStart here. 17 questions · ~140 min
Regression and Correlated Assets (Explain)Medium

Tests your foundational understanding of regression in the presence of correlation in financial data.

RegressionCorrelationVarianceAqr
Economic Intuition Behind ModelsMedium

Tests whether you can connect statistical modeling choices to economic mechanisms relevant to Aqr’s research.

RegressionVarianceExpected ValueAqr
Coin-Flipping Market ReasoningHard

Tests your ability to reason about inference and information asymmetry in probabilistic market settings.

Bayesian ReasoningExpected ValueConditional ProbabilityAqr
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2
Coding19 questions · ~157 min
Task Scheduler Written TestHard

Tests your ability to implement a scheduler correctly and completely under time constraints.

QueueSortingHeapAqr
JVM Execution Model QuestionMedium

Tests your knowledge of JVM internals and your ability to connect execution model to performance.

StackQueueMathAqr
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3
More topics3 questions · ~25 min
Overfitting Pitfalls in RegressionMedium

Tests your ability to identify and mitigate overfitting risks in statistical learning for research.

Cross-ValidationBias-Variance TradeoffRegularizationAqr
Stack vs Register VMMedium

Evaluates your understanding of JVM execution model and its performance implications.

technical knowledgeAqr
Regression on Price or ReturnsMedium

Assesses your ability to choose and validate regression inputs for research and signal generation.

RegressionAqr
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