Quant Interview Guides
Deep dives on the concepts, assessments, and firms behind quantitative-finance interviews — and how to prepare for each with NeetQuant.
Getting Started
How to Prepare for Quant Trading Interviews: A Complete Guide
What quant trading and research interviews test, how the major firms differ, and a four-week study plan — probability, expected value, mental math, and market-making.
NeetQuant Team · Jun 2026 · 8 min read
Firm Guides
The Jane Street Interview, Explained
Jane Street's quant interview process — the rounds, what each tests, the famous market-making and probability games, and how to prepare.
NeetQuant Team · Jun 2026 · 6 min read
Firm Guides
The Optiver Interview and the 80-in-8 Test, Explained
Optiver's famous speed assessments and full interview process — what the 80-in-8 and sequence tests involve, and how to prepare.
NeetQuant Team · Jun 2026 · 6 min read
Firm Guides
The SIG (Susquehanna) Interview, Explained
How SIG's betting-game and EV-decision interviews work, what they reveal about your trading judgement, and how to prepare.
NeetQuant Team · Jun 2026 · 6 min read
Firm Guides
The Citadel and Citadel Securities Interview, Explained
The two distinct firms, what their quant interviews test across trader and engineering tracks, and how to prepare.
NeetQuant Team · Jun 2026 · 6 min read
Firm Guides
The Two Sigma Interview, Explained
Two Sigma's collaborative, data-driven quant-research interviews — what they test, the format, and how to prepare.
NeetQuant Team · Jun 2026 · 6 min read
Assessments
How to Crack Speed Mental-Math Tests (Optiver, Flow Traders, IMC)
What the timed mental-math assessments at speed-focused trading firms test, the arithmetic techniques that help, and how to train for them.
NeetQuant Team · Jun 2026 · 7 min read
Assessments
The Probability Online Assessment: Penalty Scoring and How to Beat It
How trading-firm probability OAs use +1/0/-1 penalty scoring, the optimal guess-or-skip strategy, and how to prepare for the format.
NeetQuant Team · Jun 2026 · 6 min read
Assessments
Sequence and Pattern-Recognition Tests, Explained
What number-sequence assessments at firms like Optiver test, the common pattern types, and a systematic way to find the rule fast.
NeetQuant Team · Jun 2026 · 5 min read
Quant Topics
The Kelly Criterion, Explained
How the Kelly criterion sizes bets to maximise long-run growth, the formula, a worked example, and why traders use fractional Kelly.
NeetQuant Team · Jun 2026 · 6 min read
Quant Topics
The St. Petersburg Paradox
A coin-flip game with infinite expected value that almost no one would pay much to play — and how utility and the Kelly criterion resolve it.
NeetQuant Team · Jun 2026 · 5 min read
Quant Topics
Martingales and the Optional Stopping Theorem
Why no betting system beats a fair game, why the 'double until you win' strategy is doomed, and what martingales reveal about random walks.
NeetQuant Team · Jun 2026 · 6 min read
Quant Topics
The Options Greeks, Explained
Delta, gamma, theta, vega, and rho — how traders measure and hedge an option's risk, and the gamma–theta trade-off that decides who actually makes money.
NeetQuant Team · Jun 2026 · 9 min read
Quant Topics
Black–Scholes and Risk-Neutral Pricing, Intuitively
Why an option has a single fair price at all — no-arbitrage, replication, and the risk-neutral trick — without the differential equation.
NeetQuant Team · Jun 2026 · 6 min read