Top 21
Prep plan
Updated weekly · Last refresh Sep 25

Nomura Data Analyst Interview Questions

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

21questions
~3htotal time
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1
SQL & Data ManipulationStart here. 7 questions + 2 drills · ~80 min
Optimizing SQL Query PerformanceEasy

Explain how to improve SQL query performance using indexing, filtering, and execution plan analysis.

JoinsData WranglingAggregationsNomura
Explain SQL Join TypesEasy

Explain INNER, LEFT, RIGHT, FULL OUTER, CROSS, and SELF JOINs with examples and when to use each.

JoinsData WranglingGroup ByNomura
Duplicate Detection QueryMedium
Practice

Identify duplicate trade records with aggregation and performance-aware filtering.

performance optimizationlarge datasetssql queryNomura
Joining Tables at ScaleMedium

Assesses SQL join strategy and performance considerations for large datasets.

Data ManipulationNomura
SQL Query OptimizationMedium
Practice
Practice drill

Optimize a slow PostgreSQL query that aggregates completed transactions while preserving customers with no matching activity.

Performance Tuningdatabase optimizationindexesDDroisysCapgeminiNomura
Top SQL Join and GroupingEasy
Practice
Practice drill

Return the top three students in each Nomura division using a join and ROW_NUMBER partitioned by division.

aggregationJoinssqlNomura
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2
Statistics & Probability3 questions · ~26 min
Martingales in Stochastic CalculusMedium

Assesses grasp of martingale theory and its role in stochastic calculus.

Nomura
Modeling Brownian MotionMedium

Evaluates understanding of core stochastic processes used in finance.

Financial ModelingNomura
Black-Scholes Call PricingMedium

Evaluates ability to apply a standard option pricing model correctly.

Nomura

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3
Behavioral & Leadership11 questions · ~94 min
Explaining Technical Findings to ExecutivesMedium

Tests executive communication: translating complex analytics into clear decisions, managing stakeholders, and tailoring technical depth to leadership.

presentation skillsCommunicationexecutive presenceNomura
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The finish line: interview-readyComplete all 21 questions plus 2 hands-on drills to finish this plan.