Blog
Guides, roadmaps, and honest breakdowns to help you land a quant role.
Fermi Estimation Questions in Quant Interviews: How to Answer and Calibrate
How trading firms use Fermi questions, a five-step method for decomposing any estimate, two worked examples, and why your confidence interval matters more than your number.
How to Prepare for Quant Interviews Using AI (ChatGPT, Claude, Gemini)
What LLMs are genuinely good at in quant interview prep, where the research says they fail, the one place you must not use them, and how to connect ChatGPT or Claude straight to a graded problem bank over MCP.
Market Making Games in Quant Interviews: How to Prepare
What market making games actually test, the common formats (from Zetamac-style arithmetic to live bid-ask simulators), and how to practice each one before the real thing.
Quant Researcher vs Trader vs Developer vs C++ Engineer
The four most common quant roles, how their day-to-day work and interviews differ, what each pays, and how to decide which one you should actually target.
Jane Street Interview Questions: What They Actually Look For
How Jane Street's interview loop works, the kinds of probability, game theory, and mental math questions they ask, and a realistic plan to prepare for each round.
C++ for Quant Trading: A Step-by-Step Roadmap
Why trading firms bet on C++, the exact concepts to master, the best resources, and a week-by-week plan that takes you from basics to low-latency interview ready.
The 10 Best Quant Interview Prep Platforms in 2026 (Ranked)
PuzzledQuant, QuantGuide, getcracked, TraderMath, QuantVault and more, ranked and compared on coverage, graded practice, firm tags, free tiers and price.