-275 Odds Explained
- Decimal
- 1.36
- American
- -275
- Fractional
- 4/11
- Implied probability
- 73.33%
- Polymarket
- 73¢
- $100 wins
- 36.36
- American
- -275
- Fractional
- 4/11
- Implied probability
- 73.33%
- Polymarket
- 73¢
- Profit
- 36.36
- Total return
- 136.36
1.364 decimal, -275 American, 73.33% implied probability
American odds of -275 mean
you risk 275 to win 100
. In decimal notation that is 1.36, in fractional notation 4/11, and the implied probability is 73.33%. On a prediction market the same price is a 73¢ share.
What -275 pays
A 100 stake at -275 returns 136.36 in total: your 100 back plus 36.36 profit. To win exactly 100 you would stake 275.00. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 3.64 | 13.64 |
| 25 | 9.09 | 34.09 |
| 50 | 18.18 | 68.18 |
| 100 | 36.36 | 136.36 |
| 500 | 181.82 | 681.82 |
| 1,000 | 363.64 | 1,363.64 |
Break-even and long-run results
The implied probability of -275 is 73.33%, and that number is also the break-even win rate: win more often than 73.33% 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 |
|---|---|
| 50% | -31.8% |
| 55% | -25.0% |
| 60% | -18.2% |
| 65% | -11.4% |
| 73% | -0.5% |
-275 marks a clear favourite without being a lock: the implied chance is 73.33%, so the bookmaker expects this outcome roughly two times in three. Moneylines on the better team in an evenly scheduled league, the higher-ranked tennis player, or the "under" in a low-total game are typical places to see it.
The vig at -275
If both sides of a two-way market were priced at -275, the implied probabilities would add up to 46.67% above 100%. That excess is the overround, or vig; as a share of stakes it is a 31.82% 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.
-275 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission -275 is worth 1.356 decimal (-281 American); at 5% it drops to 1.345 (-289). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 1.356 | -281 | 73.73% |
| 5% | 1.345 | -289 | 74.32% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does -275 mean in betting?
-275 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At -275 the implied probability is 73.33% and a 100 stake returns 136.36.
What is -275 in decimal odds?
-275 converts to 1.364 in decimal odds (usually shown as 1.36). Decimal odds are the total return per unit staked, so multiply your stake by 1.364 to get the return.
What is -275 as a fraction?
-275 is 4/11 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 -275?
A 100 stake at -275 wins 36.36 in profit and returns 136.36 including the stake. To win exactly 100 you would stake 275.00.
What win rate do I need at -275?
The break-even win rate equals the implied probability, 73.33%. Winning more often than that at this price is profitable over the long run; winning less often loses money.