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QuantVault is an interview prep platform for quantitative finance roles: quant researcher, quant trader, and quant developer positions at trading firms and hedge funds. The core of the site is a bank of 3,200+ real, candidate-reported interview problems with fully worked solutions, covering probability, statistics, brainteasers, regression and machine learning, market making, and coding. Around 400 problems are completely free, no card required. Beyond the problem bank, QuantVault includes firm-by-firm interview funnels for 40 companies (what each round actually looks like, stage by stage), timed replicas of real online assessments, market-making and trading games of the kind used in live interviews, 40+ interactive lessons, and an adaptive study plan that calibrates to your level and targets your weakest topics. The site is built and maintained by working quant researchers. Every problem traces back to a real interview report, and solutions are written and checked by hand. Feedback from users routinely ships as fixes and features within days. Plans are simple: a large free tier, plus monthly, quarterly, and annual Pro subscriptions with everything unlocked. Students and career-switchers use QuantVault to prepare for internships and full-time roles at firms like Optiver, IMC, DRW, Citadel, Jane Street, SIG, and Two Sigma.
United States
4.0
5 reviews
No recent history of asking for reviews
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Lots of material across a wide range of topics, which should cover about everything needed, and some nice extra info that are firm-specific. The website is not fully polished but improvements and fixes are quick so not an issue.
Reply from QuantVault
Fair review, thanks Joey. Not fully polished is true, we are a tiny team and we ship fixes daily, usually same day when someone reports something. The material keeps getting deeper.
I really liked the quality of questions for my interview prep. far beyond my expectations, and highly recommended.
Reply from QuantVault
Thanks for this. Question quality is the whole bet, most of the bank comes from real processes rather than recycled lists. Good luck with your prep.
QuantVault has tremendous amount of practice questions, and these questions are categorized nicely by its level of difficulty and formats. It has been really helpful for preparing for interviews!
Reply from QuantVault
Thanks Dereck. The difficulty and format tagging is where a lot of the manual work goes, glad it shows. Good luck with the interviews.
what stands out is Stan's responsiveness. whenever i want a new feature, Stan gets it done in a few days.
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