+266 Odds Explained
- Decimal
- 3.66
- American
- +266
- Fractional
- 133/50
- Implied probability
- 27.32%
- Polymarket
- 27¢
- $100 wins
- 266.00
- American
- +266
- Fractional
- 133/50
- Implied probability
- 27.32%
- Polymarket
- 27¢
- Profit
- 266.00
- Total return
- 366.00
3.660 decimal, +266 American, 27.32% implied probability
American odds of +266 mean
a 100 stake wins 266
. In decimal notation that is 3.66, in fractional notation 133/50, and the implied probability is 27.32%. On a prediction market the same price is a 27¢ share.
What +266 pays
A 100 stake at +266 returns 366.00 in total: your 100 back plus 266.00 profit. To win exactly 100 you would stake 37.59. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 26.60 | 36.60 |
| 25 | 66.50 | 91.50 |
| 50 | 133.00 | 183.00 |
| 100 | 266.00 | 366.00 |
| 500 | 1,330.00 | 1,830.00 |
| 1,000 | 2,660.00 | 3,660.00 |
Break-even and long-run results
The implied probability of +266 is 27.32%, and that number is also the break-even win rate: win more often than 27.32% of the time at this price and you profit in the long run, win less often and you lose. The table shows the return on stake at a few win rates, including the break-even rate itself.
| Win rate | Return on stake |
|---|---|
| 27% | -1.2% |
| 50% | 83.0% |
| 55% | 101.3% |
| 60% | 119.6% |
| 65% | 137.9% |
At 27.32% implied, +266 is a moderate underdog. A bet here wins less than half the time by the bookmaker's reckoning, but each win pays 266.00 per 100. Draws in soccer, the second favourite in a three-horse race and road teams in close games are typical residents of this range.
The vig at +266
If both sides of a two-way market were priced at +266, the implied probabilities would add up to -45.36% above 100%. That excess is the overround, or vig; as a share of stakes it is a -83.00% margin for the bookmaker. Removing it leaves fair odds of 2.00 decimal ( +100) on each side. Use the devig calculator to do the same for any market.
+266 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +266 is worth 3.607 decimal (+261 American); at 5% it drops to 3.527 (+253). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 3.607 | +261 | 27.73% |
| 5% | 3.527 | +253 | 28.35% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does +266 mean in betting?
+266 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +266 the implied probability is 27.32% and a 100 stake returns 366.00.
What is +266 in decimal odds?
+266 converts to 3.660 in decimal odds (usually shown as 3.66). Decimal odds are the total return per unit staked, so multiply your stake by 3.660 to get the return.
What is +266 as a fraction?
+266 is 133/50 in fractional odds, the traditional bookmaker notation where the top number is profit and the bottom number is stake.
How much do I win on a 100 bet at +266?
A 100 stake at +266 wins 266.00 in profit and returns 366.00 including the stake. To win exactly 100 you would stake 37.59.
What win rate do I need at +266?
The break-even win rate equals the implied probability, 27.32%. Winning more often than that at this price is profitable over the long run; winning less often loses money.