Enter odds for 2–6 outcomes and your total stake to find the proportional stake on each selection for equal profit. If the combined implied probability is under 100%, you have an arb opportunity.
| Feature | Dutching | Arbitrage |
|---|---|---|
| Books used | Usually one book | Multiple books |
| Combined implied prob. | Over 100% | Under 100% |
| Overall profit guaranteed? | No — equal loss regardless of winner | Yes — risk-free profit |
| Use case | Equal winnings across selections you like | Exploit pricing differences between books |
Genuine arb opportunities are rare (sub-second in liquid markets) but do occur in less-liquid markets and around injuries or line movements. Use our No-Vig Calculator to find fair prices to compare against.