quant-interview

Free quant interview prep for quant trader, researcher, developer, and risk roles at HFT firms, prop shops, and hedge funds: 292 topics, 6,264 question cards, 18 firm guides, CI-checked C++20 and Python code, and a self-tracking study platform.

Curated roadmap for quant finance interviews (Quant Trader, Quant Researcher, Quant Analyst): probability, mental math, brainteasers, coding & high-signal resources.

Public list of real FastPrep OA and interview questions from quantitative trading and investment firms.

Black-Scholes implied volatility by Newton on vega with a bisection fallback, with no-arbitrage checks and tests.

A local-first wrong-question notebook for Quant Research prep. Save and review coding, math, ML, and behavior questions with difficulty & mastery tags. Runs on GitHub Pages, no backend.

Quant trading, research and developer interview questions by topic, with worked answers.

Correlated normal random vectors by Cholesky factorisation in pure Python, with checks for impossible correlation matrices.

How trading firms interview: process and stated pay, firm by firm, with sources.

A timed arithmetic drill that records every answer — plus sourced research on what these trading-firm numerical screens are actually documented to be.

Optimal C++ solutions for NeetCode 150 & Blind 75, focused on Big-O performance and C++ STL memory efficiency for Quant & SWE roles.

Quant interview and admissions resources.

Hands-on C++20 curriculum for algorithmic trading (order books, backtesting, low latency) + quant interview prep with Monte Carlo-verified solutions

Books, practice and firm-by-firm guides for quant interviews.