Kelly Criterion Sports Betting 2026 — Where Most Bettors Blow Up
🎰 CryptoBonusHub 𝕏 Follow @ProbBrain Photo via Picsum The Kelly Criterion is one of the most-cited bet sizing methods in sports betting and one of the most consistently misused. The formula is short. The traps are not. This post walks through the four classic ways sports bettors butcher Kelly — overconfident probability estimates, ignoring closing line value, treating correlated bets as independent, and skipping the fractional safety factor — and how to size correctly with a Kelly Criterion sports betting calculator. Mistake #1: Probability estimates pulled from thin air You think Liverpool has a 60% chance to win. The book offers them at -200 (implied 67%). Kelly says don't bet — the line is too short for your edge. Easy. Now flip it. You think Liverpool has a 75% chance. Same line, -200. Kelly says: edge ≈ 8 percentage points, bet roughly 16% of your bankroll at full Kelly. That's a huge bet. Question: where did your 75% come...