Esports Match winner: devig calculator
- Market
- 2-way
- Typical overround
- 5%–10%
- Sample overround
- 5.33%
- Worst-case probabilities are per-outcome minimums and do not add up to 100%.
| Outcome | Multiplicative | Additive | Powerk = 1.088 | Shinz = 0.054 | Worst case |
|---|---|---|---|---|---|
| Outcome 1 | 65.48%1.527 | 66.30%1.508 | 66.74%1.498 | 66.30%1.508 | 65.48%1.527 |
| Outcome 2 | 34.52%2.897 | 33.70%2.967 | 33.26%3.007 | 33.70%2.967 | 33.26%3.007 |
- Overround
- 5.33%
- Margin
- 5.06%
- Outcomes
- 2
Overround 5.33%
Esports match-winner markets carry higher margins than mainstream sports and thinner liquidity, which makes cross-book price differences common but limits smaller.
Overround in this market
Esports Match winner has 2 outcomes (
Team A, Team B). Bookmakers usually price it with an overround between 5% and 10%. Sharper books sit at the low end; recreational books and multi-way fields at the high end.
Worked example
Sample prices of 1.45 / 2.75 carry an overround of 5.33% (margin 5.06%). Multiplicative devigging gives fair probabilities of 65.5% / 34.5% and fair odds of 1.53 / 2.90. The calculator above starts from these prices and shows every method side by side.
| Outcome | Odds | Implied | Fair probability | Fair odds |
|---|---|---|---|---|
| Team A | 1.45 | 69.0% | 65.5% | 1.53 |
| Team B | 2.75 | 36.4% | 34.5% | 2.90 |
Method choice
In this 2-way market, with prices this close, the methods agree closely. Differences appear when one side is a heavy favourite; then the power and Shin columns are the ones to trust for the outsider's fair price.
Frequently asked questions
What is a normal overround for Esports Match winner?
Between 5% and 10% at most bookmakers. Lower means a sharper book; multi-way fields run higher.
Which devig method should I use for Esports Match winner?
With 2 outcomes priced close together the methods agree. When one outcome is a heavy favourite or the field is large, power or Shin better model where the margin sits; worst case gives the most conservative probability.
What are the fair odds for the sample prices?
The sample prices 1.45 / 2.75 carry an overround of 5.33%. Multiplicative devigging gives fair probabilities of 65.5% / 34.5% and fair odds of 1.53 / 2.90.
Can I use the fair probability to size a bet?
Yes: enter it with an offered price in the EV & Kelly calculator, or use the devig calculator's price-check panel, which reports edge and Kelly stake for each method.