GTS Statistics Interview

What the round is, what GTS asks, and how to prepare, from candidate reports and the QuantVault practice set.

Stage 4 of 545-60 min5 practice problemsUpdated October 20, 2026

The GTS Statistics interview is stage 4 of 5 in the GTS interview process, after the Probability & Mental Math. Format: 45-60 min - video. Statistics and regression brain-teasers: duplicated-data effects on slope/R-squared/t-stat.

Preparing for this round? Practice the 5 questions mapped to the GTS Statistics, with worked solutions. A free account saves your progress.

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What the Statistics tests

QuantVault maps 5 practice problems to this round. By topic, the biggest groups are regression (3), statistics (2); by difficulty, 2 easy, 3 medium and 0 hard. 3 of them were reported by candidates who interviewed at GTS, most recently in Jul 2026.

How to prepare for the Statistics

  • Duplicated data -- what changes (t-stat) vs what doesn't (slope, R-squared).
  • Estimator intuition.
  • Explain the why.

Further reading: How quant superdays work · Behavioral questions at trading firms · Market-making game interview guide.

Question types in this round

The 2 largest question types in the GTS Statistics practice set; across them the most common sub-topics are hypothesis testing, variance, correlation. The questions themselves, with worked solutions, are in the round practice.

Regression3 in this round

How regression questions work →

Statistics2 in this round

How statistics questions work →

Prepare with QuantVault

PracticePractice the Statistics round5 mapped problems, 0 freeInterview funnelAll 5 GTS roundsThe full funnel, a practice set for each stageFirm guideGTS interview guideEvery round, tracks, timeline, pay and a prep planOnline assessmentGTS online assessment guideFormat and practiceProblem setGTS interview questionsEvery question tagged to this firmRelated problemsRegression interview questionsWorked solutionsCourseStatistics & regression course4 lessonsNext roundOnsiteFinal rounds - the toughest reported problems

The same round at similar firms

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Compare with similar firms

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Frequently asked questions

What is the GTS Statistics interview?

It is stage 4 of 5 in the GTS interview process, after the Probability & Mental Math. Format: 45-60 min - video. Statistics and regression brain-teasers: duplicated-data effects on slope/R-squared/t-stat.

How long is the GTS Statistics interview?

Candidates report: 45-60 min - video.

What questions come up in the GTS Statistics interview?

The practice set QuantVault maps to this round centers on regression, statistics.

How should I prepare for the GTS Statistics interview?

Duplicated data -- what changes (t-stat) vs what doesn't (slope, R-squared). Estimator intuition.

What comes after the Statistics?

The Onsite (stage 5 of 5). Format: Final rounds - the toughest reported problems.

Practice the GTS Statistics round

Work the 5 mapped practice problems with progress tracking, then move to the next stage of the GTS funnel.

Practice the Statistics round Create a free account GTS interview guide GTS online assessment All 5 rounds