Calculate combined odds and potential payout for your accumulator bet.
Each-way mode assumes standard place terms of 1/5 odds for the place part.
Combined Odds
4.75
Potential Payout
£47.50
Potential Profit
£37.50
Selections
2
Probability Estimate
21.05%
1 / combined odds x 100
| # | Event | Odds |
|---|---|---|
| 1 | Arsenal vs Chelsea | 2.50 |
| 2 | Barcelona vs Sevilla | 1.90 |
Accumulator returns multiply each selection's decimal odds together. Each added leg multiplies the payout and divides probability of winning.
Four-fold with legs at 2.00, 1.80, 2.20, and 1.90 produces combined odds of 15.05 and implied probability of 6.6%.
Probability estimate is the primary reference and payout figure is secondary.
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Accumulator bet combines multiple selections into one ticket. All selections must win and decimal odds multiply into one return figure.
Accumulator odds are the product of all leg odds. Odds at 2.00 and 3.00 produce 6.00.
One losing leg settles the full accumulator as a loss. Partial success does not pay in standard accumulator markets.
Combined probability is low because leg probabilities multiply. Four legs at 50% each produce 6.25% combined chance.
Leg count between three and five keeps probability in a workable range. Six or more legs usually pushes implied probability below 5%.
Each-way accumulator splits stake into win part and place part. Place terms reduce variance and do not change outright win probability.
Why margin compounds against you — and the rare cases where accumulators have positive EV.
Same-game parlays explained: bookmaker correlation pricing, when SGPs offer real value.
A data-driven approach to building +EV accumulators using Poisson and the EV calculator.
