Kelly Criterion Bet Sizer

Calculate mathematically optimal bet sizes based on your edge and bankroll.

When to Use

Use this skill when the user asks about:

• How much to bet on a specific wager
• Kelly Criterion or optimal bet sizing
• Position sizing for a bet with known edge
• Fractional Kelly or conservative bet sizing
• Sizing multiple simultaneous bets
• Maximum bet limits or bankroll allocation

Odds Conversion Reference

Before computing Kelly, convert all odds to decimal probability format: