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Updated weekly · Last refresh Aug 30

Jane Street Financial Analyst Interview Questions

The questions to prepare for a Jane Street Financial Analyst interview. Questions from real interview reports rank first. Updated weekly.

19questions
~3htotal time
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1
StrategyStart here. 5 questions · ~40 min
Profitability With Transaction CostsMedium

Tests financial modeling approach for trading profitability under transaction cost drag.

Business AcumenprofitabilityJane Street
Capital Allocation Across StrategiesHard

Tests quantitative decision-making for portfolio-style allocation under risk and tradeoffs.

Decision MakingRisk ManagementJane Street
Clock Hands Angle CalculationEasy

Tests basic quantitative reasoning and comfort with time-angle relationships.

Estimationmental mathgeometryJane Street
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2
Statistics & Probability4 questions · ~32 min
Expected Value With Stopping TimeHard

Tests expected value computation with a stopping-time process and infinite series handling.

DistributionsExpected ValueConditional ProbabilityJane Street
Prime Sum Dice ProbabilityEasy

Tests probability modeling and counting of favorable outcomes.

DistributionsExpected ValueConditional ProbabilityJane Street
Race Track Lap TimeMedium

Evaluates your modeling approach and ability to compute time under varying conditions.

time managementJane Street
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3
Behavioral & Leadership9 questions · ~72 min
Handling Trader DisagreementMedium

Tests stakeholder management, debate quality, and how you validate and iterate on models.

Conflict ResolutionStakeholder ManagementCommunicationJane Street
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4
More topics1 question · ~8 min
Anomaly Detection for FeesMedium

Tests data cleaning, anomaly detection thinking, and preparation for analysis deliverables.

Data Wranglinganomaly detectiondata integrityJane Street

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Impute Sparse Assessment ScoresHard
Practice
Practice drill

Use CTEs, joins, CASE, and null handling to clean sparse assessment scores and impute missing values per question.

null handlingData Wranglingdata integrityMercor
Flag Incomplete Campaign TrackingMedium
Practice
Practice drill

Use joins, CTEs, CASE, and null handling to quantify missing tracking data by campaign and channel.

null handlingData Wranglingdata integrityArthur J. Gallagher &
Normalize Customer Addresses by RegionHard
Practice
Practice drill

Standardize inconsistent addresses using joins, CTEs, and CASE logic to map each record to a normalized region.

data cleaningData WranglingExcelTelus Digital
The finish line: interview-readyComplete all 19 questions plus 3 hands-on drills to finish this plan.