dpble/prep

Jane Street trader interview practice

No standard online test reported for traders. Phone screens on probability and expected value, estimates with a confidence range, and market making.

Free, timed practice that matches the reported format, with a worked solution for every question and a projected score for the real test. No signup: your history stays in your browser.

Open in the practice app

What candidates report

How to prepare

Other firms

Optiver · Flow Traders · Akuna Capital · Da Vinci · SIG · IMC · Citadel Securities · DRW · Five Rings

Formats come from candidate reports and prep sites, not from Jane Street, and they change by year, office and role. Check your own invitation. Sources: quantt.