Convexly
Track your decisions, measure your judgment, and improve over time
How well do your gut decisions actually hold up? Convexly is a decision intelligence platform that measures this. Log predictions with probabilities, resolve outcomes, and see how your confidence matches reality. It calculates Brier scores, calibration curves, and runs Monte Carlo simulations to stress-test your choices. Start with a free 2-minute calibration quiz, then track real decisions to improve over time.
Use coupon code BETALIST for 30 days of Pro free