Dutching allocates more of the total stake to shorter prices and less to longer prices. Each allocation is calculated to target the same gross return if one of the entered outcomes wins.
When the calculation is valid
The outcomes must be mutually exclusive, meaning no more than one can win. If you intend to cover the whole market, every possible winner must also be included. Leaving out a possible winning outcome creates an uncovered loss that the headline target return does not show.
A combined implied probability below 100% creates a positive mathematical target before rounding. Above 100%, an equalised loss is built into the entered prices. Neither result predicts which outcome will win.
| Check | Why it matters |
|---|---|
| Same market | Prices must relate to one defined set of outcomes. |
| Mutually exclusive | Only one entered outcome should be able to win. |
| Complete coverage | Any omitted winner remains a full-loss scenario. |
| Settlement matched | Dead heats, voids and deductions can change the final return. |