-189 Odds Explained
- Decimal
- 1.53
- American
- -189
- Fractional
- 9/17
- Implied probability
- 65.40%
- Polymarket
- 65¢
- $100 wins
- 52.91
- The fraction shown is the closest simple fraction to the odds rounded to 3 decimals, not an exact match.
- American
- -189
- Fractional
- 9/17
- Implied probability
- 65.40%
- Polymarket
- 65¢
- Profit
- 52.91
- Total return
- 152.91
1.529 decimal, -189 American, 65.40% implied probability
The price -189 converts to 1.53 decimal odds and 9/17 fractional odds. Read as a probability it says the bookmaker prices this outcome at 65.40%, which is the share of the time you would need to win just to break even. A prediction market would quote the same chance as 65¢.
What -189 pays
A 100 stake at -189 returns 152.91 in total: your 100 back plus 52.91 profit. To win exactly 100 you would stake 189.00. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 5.29 | 15.29 |
| 25 | 13.23 | 38.23 |
| 50 | 26.46 | 76.46 |
| 100 | 52.91 | 152.91 |
| 500 | 264.55 | 764.55 |
| 1,000 | 529.10 | 1,529.10 |
Break-even and long-run results
The implied probability of -189 is 65.40%, and that number is also the break-even win rate: win more often than 65.40% 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% | -23.5% |
| 55% | -15.9% |
| 60% | -8.3% |
| 65% | -0.6% |
-189 marks a clear favourite without being a lock: the implied chance is 65.40%, 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 -189
If both sides of a two-way market were priced at -189, the implied probabilities would add up to 30.80% above 100%. That excess is the overround, or vig; as a share of stakes it is a 23.54% 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.
-189 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission -189 is worth 1.519 decimal (-193 American); at 5% it drops to 1.503 (-199). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 1.519 | -193 | 65.85% |
| 5% | 1.503 | -199 | 66.55% |
Same price in other formats
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does -189 mean in betting?
-189 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At -189 the implied probability is 65.40% and a 100 stake returns 152.91.
What is -189 in decimal odds?
-189 converts to 1.529 in decimal odds (usually shown as 1.53). Decimal odds are the total return per unit staked, so multiply your stake by 1.529 to get the return.
What is -189 as a fraction?
-189 is 9/17 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 -189?
A 100 stake at -189 wins 52.91 in profit and returns 152.91 including the stake. To win exactly 100 you would stake 189.00.
What win rate do I need at -189?
The break-even win rate equals the implied probability, 65.40%. Winning more often than that at this price is profitable over the long run; winning less often loses money.