+117 Odds Explained
- Decimal
- 2.17
- American
- +117
- Fractional
- 117/100
- Implied probability
- 46.08%
- Polymarket
- 46¢
- $100 wins
- 117.00
- American
- +117
- Fractional
- 117/100
- Implied probability
- 46.08%
- Polymarket
- 46¢
- Profit
- 117.00
- Total return
- 217.00
2.170 decimal, +117 American, 46.08% implied probability
The price +117 converts to 2.17 decimal odds and 117/100 fractional odds. Read as a probability it says the bookmaker prices this outcome at 46.08%, 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 46¢.
What +117 pays
A 100 stake at +117 returns 217.00 in total: your 100 back plus 117.00 profit. To win exactly 100 you would stake 85.47. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 11.70 | 21.70 |
| 25 | 29.25 | 54.25 |
| 50 | 58.50 | 108.50 |
| 100 | 117.00 | 217.00 |
| 500 | 585.00 | 1,085.00 |
| 1,000 | 1,170.00 | 2,170.00 |
Break-even and long-run results
The implied probability of +117 is 46.08%, and that number is also the break-even win rate: win more often than 46.08% 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 |
|---|---|
| 46% | -0.2% |
| 50% | 8.5% |
| 55% | 19.4% |
| 60% | 30.2% |
| 65% | 41.1% |
+117 sits close to even money. The bookmaker sees this as roughly a coin flip, with the margin nudging both sides of the market a little under fair. Point spreads and totals live here: the line moves to make each side about a 50% proposition, and the price carries the juice.
The vig at +117
If both sides of a two-way market were priced at +117, the implied probabilities would add up to -7.83% above 100%. That excess is the overround, or vig; as a share of stakes it is a -8.50% 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.
+117 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +117 is worth 2.147 decimal (+115 American); at 5% it drops to 2.112 (+111). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 2.147 | +115 | 46.59% |
| 5% | 2.112 | +111 | 47.36% |
Same price in other formats
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does +117 mean in betting?
+117 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +117 the implied probability is 46.08% and a 100 stake returns 217.00.
What is +117 in decimal odds?
+117 converts to 2.170 in decimal odds (usually shown as 2.17). Decimal odds are the total return per unit staked, so multiply your stake by 2.170 to get the return.
What is +117 as a fraction?
+117 is 117/100 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 +117?
A 100 stake at +117 wins 117.00 in profit and returns 217.00 including the stake. To win exactly 100 you would stake 85.47.
What win rate do I need at +117?
The break-even win rate equals the implied probability, 46.08%. Winning more often than that at this price is profitable over the long run; winning less often loses money.