A bet is only worth making if it's +EV — if your true read of the outcome beats the price. Enter the odds and your probability to see the expected value per dollar, your edge over the market, and the verdict.
Found a +EV spot? Size it with discipline using the free Kelly calculator.
Expected value is the average profit per dollar if you made the same bet forever. Formula: EV = (your probability × decimal odds) − 1. Positive means the price is in your favor; negative means the market is.
Example: +130 is 2.30 in decimal. If you think the true chance is 48%, EV = 0.48 × 2.30 − 1 = +0.104, i.e. +10.4% per dollar — a strong +EV bet, because 48% beats the ~43.5% the price implies.
Your edge is simply your probability minus the market's implied probability. Consistent positive edge — verified against results, not vibes — is the entire game. It's what KalEdge's Scout hunts for across thousands of markets daily.