Kelly Criterion Calculator
Interactive Kelly Criterion calculator for sports betting. Optimize bet sizing based on edge and manage variance mathematically.
Bankroll Management
Kelly Criterion Calculator
Optimize your bet sizing mathematically. Manage variance and capitalize on your edge using the Kelly Criterion.
Model Presets:
55%
0.25
2.10
$1000
$
⚠️ No edge detected. Kelly says don't bet.
⚠️ Full Kelly exceeds 25%. Use fractional Kelly to manage variance.
Recommended Sizing & Edge Breakdown
f* = (bp - q) / b Full Kelly Bet %
0.00%
Fractional Kelly Bet %
0.00%
Recommended Bet Size
$0.00
Expected Edge
0.00%
Implied: 0.00%
Kelly Sizing vs Max Responsible Exposure
Full Kelly Fractional Kelly Max Responsible (5%)