Kelly criterion calculator
How much should I bet?
A 57.34% shot offered at +120, on a 10,000 bankroll:
| Full Kelly | 21.79% of bankroll |
| At quarter Kelly | 500.00 |
| Share of bankroll | 5.00% |
| Binding constraint | max_single |
Quarter Kelly, and sized on the least favourable devig rather than the friendliest. Overestimating an edge costs far more than underestimating it.
Where the number comes from
Everything above was computed by the same engine that prices bets, at the moment this page was built — not typed into a template. The build fails if a figure appears here and not in the engine's own output.