+389 Odds Explained
- Decimal
- 4.89
- American
- +389
- Fractional
- 389/100
- Implied probability
- 20.45%
- Polymarket
- 20¢
- $100 wins
- 389.00
- American
- +389
- Fractional
- 389/100
- Implied probability
- 20.45%
- Polymarket
- 20¢
- Profit
- 389.00
- Total return
- 489.00
4.890 decimal, +389 American, 20.45% implied probability
American odds of +389 mean
a 100 stake wins 389
. In decimal notation that is 4.89, in fractional notation 389/100, and the implied probability is 20.45%. On a prediction market the same price is a 20¢ share.
What +389 pays
A 100 stake at +389 returns 489.00 in total: your 100 back plus 389.00 profit. To win exactly 100 you would stake 25.71. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 38.90 | 48.90 |
| 25 | 97.25 | 122.25 |
| 50 | 194.50 | 244.50 |
| 100 | 389.00 | 489.00 |
| 500 | 1,945.00 | 2,445.00 |
| 1,000 | 3,890.00 | 4,890.00 |
Break-even and long-run results
The implied probability of +389 is 20.45%, and that number is also the break-even win rate: win more often than 20.45% 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 |
|---|---|
| 20% | -2.2% |
| 50% | 144.5% |
| 55% | 169.0% |
| 60% | 193.4% |
| 65% | 217.9% |
With an implied chance of 20.45%, a bet at +389 is expected to lose most of the time and to pay 389.00 on 100 when it does not. Outright markets, correct scores and big upsets are where these prices appear, and they are the prices bookmakers shade the hardest.
The vig at +389
If both sides of a two-way market were priced at +389, the implied probabilities would add up to -59.10% above 100%. That excess is the overround, or vig; as a share of stakes it is a -144.50% 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.
+389 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +389 is worth 4.812 decimal (+381 American); at 5% it drops to 4.696 (+370). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 4.812 | +381 | 20.78% |
| 5% | 4.696 | +370 | 21.30% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does +389 mean in betting?
+389 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +389 the implied probability is 20.45% and a 100 stake returns 489.00.
What is +389 in decimal odds?
+389 converts to 4.890 in decimal odds (usually shown as 4.89). Decimal odds are the total return per unit staked, so multiply your stake by 4.890 to get the return.
What is +389 as a fraction?
+389 is 389/100 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 +389?
A 100 stake at +389 wins 389.00 in profit and returns 489.00 including the stake. To win exactly 100 you would stake 25.71.
What win rate do I need at +389?
The break-even win rate equals the implied probability, 20.45%. Winning more often than that at this price is profitable over the long run; winning less often loses money.