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CORTIX Quant prep
Train the quant brain.

Mental math, calibration, and method lessons — guided, not a wall of games. Sign up to track a rating and keep a streak.

Question of the day
What you'll train
⚡DrillFast numeric MCQ · race the clockGenerator-built · inexhaustible› 💡ConceptsVol surface · rates · microstructure · riskLearn the idea, then quiz yourself› 🧮MathGuided star map · train → testMental-math techniques, 1–5 ★ mastery› 🎯EstimationCalibration · 3 games, one curveBrier-scored forecasting› 📚 Lessons & method references ›
Know yourself · benchmarks, not training
🪞Know YourselfReaction, memory & personality self-tests — fixed traits, for self-awareness›

Save scores, climb leaderboards, and track your brain score.