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Ten minutes of diagnostic builds one from your weakest skills. Free.

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Tickets on every correct answer

Tracks

Pick the job you are interviewing for. Each track is the order to play its games in, from fundamentals to the hardest round. Your plan is the one built from your own score.

Quant Trading

Fast probability, EV under pressure, market intuition.

0 of 12 playedStart the track
01Up nextArithmetic SprintDrills · 8 minEighty questions in eight minutes, scored on accuracy and pace together.02Duck IntersectionDrillsTrack the arrows and the parity at once. The rule keeps switching on you.03Probability RankingDrillsOrder events from most to least likely, the "which is most likely" screen question.04Space ShiftProbability · 6 min05Deep ShiftDrills · 5 minBinomials, poker combinatorics, Bayes theorem, first signals, and the normal curve with confidence calibration.06Event HorizonProbability · 8 min12-sector star map exam campaign: stopping rules, expectation, indicators, variance, inclusion-exclusion, and proofs with Brier calibration.07Quitters Never LoseProbability · 5 minThe casino and the lottery floor. Every game shows the house edge before you play.08Poker Market MakingProbability · 6 minQuote the sum of the cards, requote after every reveal, and watch for the trader who has seen one.09Market MakerFinance · 6 minQuote both sides, get filled, then work out whether the person who traded with you knew something.10Basket ArbitrageFinanceBuy the parts, sell the bundle, pocket the gap. Net every commodity to zero.11Delta DefenderFinance · 5 minHold a book flat while the underlying runs. Re-hedge too often and the costs eat you.12Screwy PiratesTeasers · 4 minFive pirates, a hundred coins, and a vote that kills. Solve it backwards from one pirate.

Mock screens

Take a practice test

Pick a firm to see a sample of its sitting. Each one is modelled on a publicly reported screening format — clock, answer sheet, flag for review, and a by-skill breakdown when you submit.

Free sample · no account

Optiver

A full-length sitting modelled on Optiver's published screening battery - 80 in 8, NumberLogic, Beat the Odds, the new-for-2026 Likelihood List, Zap-N and Zap-Q. Negative marking on the timed sections, and numbers chosen so a shortcut beats long multiplication.

Format
6 sections
Full sitting
95 min · 6 sections
Sample
3 q · free
Question 1 of 3YOUR GO

From the Optiver sitting · NumberLogic

-8, -5, -1, 4, 10, ?

Three real questions from this sitting. The full paper generates fresh ones every attempt.

Modelled on publicly reported formats. Outcry is not affiliated with any firm listed, and every emblem above is Outcry’s own pixel mark.