Sharpen your arithmetic for quant trading interviews
Cognitive Speed
Traders make split-second decisions. Mental math tests your ability to think accurately under time pressure.
Pass Thresholds
Optiver: 55-56 to pass, 65+ good, 75+ excellent. Flow Traders: 55+ passing. Most tests use negative scoring.
Real Trading Skills
Quick mental math helps estimate option prices, calculate spreads, and spot arbitrage opportunities on the fly.
Pure speed arithmetic. Select your time and go.
Configure your own time limit, operations, and difficulty settings.
Target your weak areas with adaptive practice that focuses on your slowest operations.