Blog
Guides, insights, and deep dives into quant interview topics.
Trader vs Researcher Is the Wrong Question: The Five Axes That Decide Your Quant Career
Titles barely describe the job. Every quant seat is a point in five dimensions; sort by where the alpha comes from and the field collapses into six families. How to pick the one that fits you.
Guest PostWhat I Went Through in the Jane Street Quant Trader Interview
A personal, first-person account — two technical rounds and a Super Day of market-making games — from someone who got the internship offer. What he actually noticed, shared as-is.
NewsletterWeekly Problem: The Coupon Collector's Problem
Five coupons, one uniform draw per box—how long until the set is complete?
NewsletterProblem of the Day: Three-Way Duel With Rational Players
Today's problem: Three-Way Duel With Rational Players
NewsletterWeekly Problem: Uniform Point in a Disk Without Rejection
An inverse-CDF problem hiding in polar coordinates
NewsletterProblem of the Day: Marble Parity Puzzle
Today's problem: Marble Parity Puzzle
NewsletterProblem of the Day: Optimal Sample Size Before a Directional Bet
Today's problem: Optimal Sample Size Before a Directional Bet
NewsletterProblem of the Day: Pirate Gold Division: Extending the Pattern
Today’s problem: Pirate Gold Division: Extending the Pattern
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