Use the Kelly Criterion to estimate the optimal bet size based on your edge, the available odds, and your total bankroll.
Implied Probability
—
Your Win Probability
—
Edge
—
Full Kelly (%)
—
Full Kelly Stake
—
Half Kelly Stake
—
Quarter Kelly Stake
—
Verdict
—
The Kelly Criterion estimates the mathematically optimal share of your bankroll to wager when you believe you have an edge. Many bettors use half Kelly or quarter Kelly to reduce volatility.