Free
Optiver's 80 in 8
Eighty rapid fire items in eight minutes. Pure mental arithmetic built for pace and precision.
Mental MathsTimedSpeed
Online Assessments
Pass Round 1 screening tests used by top quant firms.
Practice real world online assessments including mental maths, probability drills, and aptitude tests designed to mirror first round screening.
7Assessments
RealFirm Formats
TimedPractice
Free
Optiver NumberLogic
Clocked numerical reasoning that stresses pattern spotting, sequences, and logical structure.
SequencesLogicPatterns
Optiver Zap N
Short, high tempo numerical micro challenges that stress speed, accuracy, and composure.
ArithmeticSpeedAccuracy
Maven Securities Numerical Test
Compressed numerical reasoning and arithmetic. Accuracy while the clock is running.
Numerical ReasoningArithmeticTimed
IMC NeurOlympics
Small game style tasks aimed at reaction time, sustained attention, and adapting on the fly.
CognitiveReactionFocus
SIG Quant Test
Drills on probability, expected value, and quantitative reasoning with a trading desk flavour.
ProbabilityFinanceQuant
Optiver Beat the Odds
Heavy on probability: prompts that reward fast judgment and fluent use of expectation and odds.
ProbabilityDecision MakingEV
Assessment formats are inspired by common trading firm screening processes. QuantKing is not affiliated with any firm.