Optiver interview prep
Optiver interviews emphasise arithmetic speed and probability fluency. QuantPrep builds both.
WHAT OPTIVER FOCUSES ON
- ·80in8 mental math test (or similar speed screen)
- ·Probability and expected value brainteasers
- ·Trading-style puzzles (market-making estimation)
- ·Game theory on repeated games
- ·Quick reasoning under time constraints
INTERVIEW OVERVIEW
Optiver is famous for its 80in8 arithmetic test — 80 problems in 8 minutes — and interviews follow with rapid-fire probability and trading brainteasers. Candidates who pass are typically fluent with mental arithmetic and comfortable reasoning probabilistically under time pressure. QuantPrep's corpus covers the probability and brainteaser portion thoroughly; pair it with dedicated arithmetic drills.
FAQ
An online arithmetic test: 80 questions in 8 minutes — addition, subtraction, multiplication, division with decimals. Passing scores are typically 60+. Practise on separate arithmetic tools.
Expected value problems, dice / card probability, Markov-chain style reasoning, basic Bayes, and trading-specific estimation. QuantPrep covers all of these.
Not directly — Optiver's 80in8 is a specialised speed test. QuantPrep covers the probability and brainteaser portion of the interview process, which is the harder part to prepare for.
Drill Optiver problems now
400+ problems, adaptive selection, AI-generated alternative explanations. Free tier covers 20 attempts.
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