Quant interview prep
From “interested in quant” to offer in hand.
A learn-by-doing platform for quantitative-finance interviews and online assessments at the world's top trading firms.
Real questions, real firms
A large bank of probability, brainteaser, market-making and DSA questions, tagged to the firms and roles that actually ask them.
Practice under pressure
Format-faithful, server-timed assessment simulators — including the mental-math blitz — with instant scoring and leaderboards.
Learn by doing
Drills and curated firm tracks instead of passive reading. Track every attempt and watch your weak topics shrink.
End to end
From skill-building to firm-specific tracks to progress analytics, all in one place — built to take you from interested to offer.
Everything you need to prep
One platform from skill-building to firm-specific practice to tracking your progress.
Question bank
Curated probability, brainteaser, stats, market-making and DSA questions — each with progressive hints and a full worked solution in clean LaTeX.
Firm tracks
Ordered playlists targeting a specific firm or theme, like the Jane Street trader track, so you prep exactly what gets asked.
Timed simulators
A server-scored mental-math blitz that mirrors real online assessments — instant scoring, speed metrics, and a global leaderboard.
Progress analytics
See what you've solved by topic and difficulty, your accuracy and streak, and let weak-topic detection point you to what to fix next.
How it works
Set your target
Tell us the industry and role you're aiming for; your dashboard and recommendations adapt to it.
Practice by doing
Work the question bank and firm tracks — reveal hints when stuck, check answers, study the solutions.
Drill & track
Run timed simulators under pressure and watch your analytics improve as your weak topics shrink.
Frequently asked
Is there a free plan?+
Yes. The free tier includes a meaningful slice of questions, the fixed mental-math drill, and basic analytics. Premium unlocks the full bank, all firm tracks, configurable simulators, and complete analytics.
Which firms does it cover?+
Questions are tagged to the firms and roles that actually ask them — Jane Street, Citadel, Optiver, IMC, SIG, DRW, Two Sigma, Akuna, Flow Traders, and more.
Do I need a finance background?+
No. The content spans fundamentals through advanced, so career switchers from CS, math, physics, or engineering can start from the basics.
Can I cancel anytime?+
Yes. Manage or cancel your subscription anytime from your settings — billing is handled securely by Stripe and access continues to the end of the period.
Ready to start?
Create a free account and take your first drill in under a minute.
Start practising free