Blog

Guides, insights, and deep dives into quant interview topics.

Career

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.

Draft ~11 min read →
Guest Post

What 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.

Draft ~10 min read →
Newsletter

Why Volatility Raises Call Value

A candidate is at the whiteboard, and the setup is deliberately plain.

Jul 12, 2026 On Substack ↗
Newsletter

Problem of the Day: Optimal Stopping in a Blue-Red Ball Draw

Today's problem: Optimal Stopping in a Blue-Red Ball Draw

Jul 10, 2026 On Substack ↗
Newsletter

Problem of the Day: Optimal Kelly Bet Sizing for a Mean-Reversion Signal

Today's problem: Optimal Kelly Bet Sizing for a Mean-Reversion Signal

Jul 8, 2026 On Substack ↗
Newsletter

Problem of the Day: Airplane Boarding Problem

Today's problem: Airplane Boarding Problem

Jul 7, 2026 On Substack ↗
Newsletter

Problem of the Day: HTH vs HTT Pattern Race

Today's problem: HTH vs HTT Pattern Race

Jul 5, 2026 On Substack ↗
Newsletter

Latency Arbitrage Is a Priority Game, Not a Speed Contest

You won't be running a co location stack on day one, but if you're interviewing for a buy side or HFT seat, understanding the latency priority game is exactly what separates a hire from a…

Jul 5, 2026 On Substack ↗

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