GSA Capital Take-Home Data Project Interview

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

Stage 2 of 5Updated October 20, 2026

The GSA Capital Take-Home Data Project interview is stage 2 of 5 in the GSA Capital interview process, after the Online Assessment. Format: Take-home · own environment · graded on OOS MSE. GSA's signature stage.

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What the Take-Home Data Project tests

From real 10-second-bar prices for instruments X and Y, predict Y's 10-minute-ahead return with data up to t only, in two template functions.

  • GSA's advice: keep it simple, and pay attention to design, tests, documentation and maintainability.
  • A recruitment alignment call happens while you work on it. Use it to clear up anything ambiguous in the brief.

How to prepare for the Take-Home Data Project

  • Respect causality. Only use information available at time t; any feature that peeks at the future inflates in-sample fit and tanks OOS MSE.
  • Drop degenerate labels. The last ~10 minutes of each trading day have truncated forward returns — exclude them from training.

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

Prepare with QuantVault

PracticePractice the Take-Home Data Project roundRound notes and prepInterview funnelAll 5 GSA Capital roundsThe full funnel, a practice set for each stageFirm guideGSA Capital interview guideEvery round, tracks, timeline, pay and a prep planFree OA sampleGSA Capital Quantitative Researcher OA2 questions, 5 min, no signupProblem setGSA Capital interview questionsEvery question tagged to this firmNext roundTechnical45–60 min · with a researcher

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Frequently asked questions

What is the GSA Capital Take-Home Data Project interview?

It is stage 2 of 5 in the GSA Capital interview process, after the Online Assessment. Format: Take-home · own environment · graded on OOS MSE. GSA's signature stage. From real 10-second-bar prices for instruments X and Y, predict Y's 10-minute-ahead return with data up to t only, in two template functions.

How should I prepare for the GSA Capital Take-Home Data Project interview?

Respect causality. Only use information available at time t; any feature that peeks at the future inflates in-sample fit and tanks OOS MSE. Drop degenerate labels. The last ~10 minutes of each trading day have truncated forward returns — exclude them from training.

What comes after the Take-Home Data Project?

The Technical (stage 3 of 5). Format: 45–60 min · with a researcher.

Practice the GSA Capital Take-Home Data Project round

Open the round in the GSA Capital funnel: the round notes, prep, and every other stage of the process.

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