-289 Odds Explained
- Decimal
- 1.35
- American
- -289
- Fractional
- 9/26
- Implied probability
- 74.29%
- Polymarket
- 74¢
- $100 wins
- 34.60
- The fraction shown is the closest simple fraction to the odds rounded to 3 decimals, not an exact match.
- American
- -289
- Fractional
- 9/26
- Implied probability
- 74.29%
- Polymarket
- 74¢
- Profit
- 34.60
- Total return
- 134.60
1.346 decimal, -289 American, 74.29% implied probability
American odds of -289 mean
you risk 289 to win 100
. In decimal notation that is 1.35, in fractional notation 9/26, and the implied probability is 74.29%. On a prediction market the same price is a 74¢ share.
What -289 pays
A 100 stake at -289 returns 134.60 in total: your 100 back plus 34.60 profit. To win exactly 100 you would stake 289.00. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 3.46 | 13.46 |
| 25 | 8.65 | 33.65 |
| 50 | 17.30 | 67.30 |
| 100 | 34.60 | 134.60 |
| 500 | 173.01 | 673.01 |
| 1,000 | 346.02 | 1,346.02 |
Break-even and long-run results
The implied probability of -289 is 74.29%, and that number is also the break-even win rate: win more often than 74.29% 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% | -32.7% |
| 55% | -26.0% |
| 60% | -19.2% |
| 65% | -12.5% |
| 74% | -0.4% |
With an implied probability of 74.29%, -289 is a moderate favourite. Prices in this band are where the bookmaker's margin is easiest to see: the opposite side of the market is usually priced a little longer than the fair line, and the two implied probabilities add up to more than 100%.
The vig at -289
If both sides of a two-way market were priced at -289, the implied probabilities would add up to 48.59% above 100%. That excess is the overround, or vig; as a share of stakes it is a 32.70% 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.
-289 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission -289 is worth 1.339 decimal (-295 American); at 5% it drops to 1.329 (-304). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 1.339 | -295 | 74.68% |
| 5% | 1.329 | -304 | 75.26% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does -289 mean in betting?
-289 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At -289 the implied probability is 74.29% and a 100 stake returns 134.60.
What is -289 in decimal odds?
-289 converts to 1.346 in decimal odds (usually shown as 1.35). Decimal odds are the total return per unit staked, so multiply your stake by 1.346 to get the return.
What is -289 as a fraction?
-289 is 9/26 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 -289?
A 100 stake at -289 wins 34.60 in profit and returns 134.60 including the stake. To win exactly 100 you would stake 289.00.
What win rate do I need at -289?
The break-even win rate equals the implied probability, 74.29%. Winning more often than that at this price is profitable over the long run; winning less often loses money.