Guides
What the interviews at specific firms actually look like, and how to prepare for each round — written from experience, not from forum threads.
Exactly what the Optiver 80-in-8 arithmetic test looks like, what score you realistically need, and a four-week training plan that gets you there.
The style of probability question Jane Street asks, why the interview rewards reasoning out loud over memorized answers, and worked examples at real interview depth.
How the make-me-a-market game works in trading interviews at Optiver, SIG, and IMC — spread, inventory, adverse selection — with concrete quoting heuristics.
A realistic week-by-week plan for quant trading and research interviews — mental math, probability, market games — designed for 45–60 minutes a day.