+845 Odds Explained
- Decimal
- 9.45
- American
- +845
- Fractional
- 169/20
- Implied probability
- 10.58%
- Polymarket
- 11¢
- $100 wins
- 845.00
- American
- +845
- Fractional
- 169/20
- Implied probability
- 10.58%
- Polymarket
- 11¢
- Profit
- 845.00
- Total return
- 945.00
9.450 decimal, +845 American, 10.58% implied probability
American odds of +845 mean
a 100 stake wins 845
. In decimal notation that is 9.45, in fractional notation 169/20, and the implied probability is 10.58%. On a prediction market the same price is a 11¢ share.
What +845 pays
A 100 stake at +845 returns 945.00 in total: your 100 back plus 845.00 profit. To win exactly 100 you would stake 11.83. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 84.50 | 94.50 |
| 25 | 211.25 | 236.25 |
| 50 | 422.50 | 472.50 |
| 100 | 845.00 | 945.00 |
| 500 | 4,225.00 | 4,725.00 |
| 1,000 | 8,450.00 | 9,450.00 |
Break-even and long-run results
The implied probability of +845 is 10.58%, and that number is also the break-even win rate: win more often than 10.58% 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 |
|---|---|
| 11% | 3.9% |
| 50% | 372.5% |
| 55% | 419.8% |
| 60% | 467.0% |
| 65% | 514.3% |
+845 is a longshot. The bookmaker prices the outcome at 10.58%, and the payout of 845.00 per 100 staked is the compensation for how rarely it lands. Longshots carry more margin than any other part of the market, which is why devigging methods disagree most at prices like this one.
The vig at +845
If both sides of a two-way market were priced at +845, the implied probabilities would add up to -78.84% above 100%. That excess is the overround, or vig; as a share of stakes it is a -372.50% 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.
+845 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +845 is worth 9.281 decimal (+828 American); at 5% it drops to 9.028 (+803). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 9.281 | +828 | 10.77% |
| 5% | 9.028 | +803 | 11.08% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does +845 mean in betting?
+845 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +845 the implied probability is 10.58% and a 100 stake returns 945.00.
What is +845 in decimal odds?
+845 converts to 9.450 in decimal odds (usually shown as 9.45). Decimal odds are the total return per unit staked, so multiply your stake by 9.450 to get the return.
What is +845 as a fraction?
+845 is 169/20 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 +845?
A 100 stake at +845 wins 845.00 in profit and returns 945.00 including the stake. To win exactly 100 you would stake 11.83.
What win rate do I need at +845?
The break-even win rate equals the implied probability, 10.58%. Winning more often than that at this price is profitable over the long run; winning less often loses money.