-299 Odds Explained
- Decimal
- 1.33
- American
- -299
- Fractional
- 1/3
- Implied probability
- 74.94%
- Polymarket
- 75¢
- $100 wins
- 33.44
- The fraction shown is the closest simple fraction to the odds rounded to 3 decimals, not an exact match.
- American
- -299
- Fractional
- 1/3
- Implied probability
- 74.94%
- Polymarket
- 75¢
- Profit
- 33.44
- Total return
- 133.44
1.334 decimal, -299 American, 74.94% implied probability
-299 is an American price:
the minus sign marks a favourite, and the number is the stake needed to win 100
. Every other format describes the same chance: 1.33 decimal, 1/3 fractional, 74.94% implied probability, 75¢ on Polymarket.
What -299 pays
A 100 stake at -299 returns 133.44 in total: your 100 back plus 33.44 profit. To win exactly 100 you would stake 299.00. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 3.34 | 13.34 |
| 25 | 8.36 | 33.36 |
| 50 | 16.72 | 66.72 |
| 100 | 33.44 | 133.44 |
| 500 | 167.22 | 667.22 |
| 1,000 | 334.45 | 1,334.45 |
Break-even and long-run results
The implied probability of -299 is 74.94%, and that number is also the break-even win rate: win more often than 74.94% 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% | -33.3% |
| 55% | -26.6% |
| 60% | -19.9% |
| 65% | -13.3% |
| 75% | 0.1% |
-299 marks a clear favourite without being a lock: the implied chance is 74.94%, 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 -299
If both sides of a two-way market were priced at -299, the implied probabilities would add up to 49.87% above 100%. That excess is the overround, or vig; as a share of stakes it is a 33.28% 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.
-299 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission -299 is worth 1.328 decimal (-305 American); at 5% it drops to 1.318 (-315). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 1.328 | -305 | 75.31% |
| 5% | 1.318 | -315 | 75.89% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does -299 mean in betting?
-299 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At -299 the implied probability is 74.94% and a 100 stake returns 133.44.
What is -299 in decimal odds?
-299 converts to 1.334 in decimal odds (usually shown as 1.33). Decimal odds are the total return per unit staked, so multiply your stake by 1.334 to get the return.
What is -299 as a fraction?
-299 is 1/3 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 -299?
A 100 stake at -299 wins 33.44 in profit and returns 133.44 including the stake. To win exactly 100 you would stake 299.00.
What win rate do I need at -299?
The break-even win rate equals the implied probability, 74.94%. Winning more often than that at this price is profitable over the long run; winning less often loses money.