+124 Odds Explained
- Decimal
- 2.24
- American
- +124
- Fractional
- 31/25
- Implied probability
- 44.64%
- Polymarket
- 45¢
- $100 wins
- 124.00
- American
- +124
- Fractional
- 31/25
- Implied probability
- 44.64%
- Polymarket
- 45¢
- Profit
- 124.00
- Total return
- 224.00
2.240 decimal, +124 American, 44.64% implied probability
American odds of +124 mean
a 100 stake wins 124
. In decimal notation that is 2.24, in fractional notation 31/25, and the implied probability is 44.64%. On a prediction market the same price is a 45¢ share.
What +124 pays
A 100 stake at +124 returns 224.00 in total: your 100 back plus 124.00 profit. To win exactly 100 you would stake 80.65. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 12.40 | 22.40 |
| 25 | 31.00 | 56.00 |
| 50 | 62.00 | 112.00 |
| 100 | 124.00 | 224.00 |
| 500 | 620.00 | 1,120.00 |
| 1,000 | 1,240.00 | 2,240.00 |
Break-even and long-run results
The implied probability of +124 is 44.64%, and that number is also the break-even win rate: win more often than 44.64% 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 |
|---|---|
| 45% | 0.8% |
| 50% | 12.0% |
| 55% | 23.2% |
| 60% | 34.4% |
| 65% | 45.6% |
+124 is an underdog price: the bookmaker gives this outcome an implied chance of 44.64%, and the payout of 124.00 on 100 reflects it. Underdogs in this band are where public money and bookmaker margin often disagree, so it pays to compare prices across books before taking one.
The vig at +124
If both sides of a two-way market were priced at +124, the implied probabilities would add up to -10.71% above 100%. That excess is the overround, or vig; as a share of stakes it is a -12.00% 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.
+124 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +124 is worth 2.215 decimal (+122 American); at 5% it drops to 2.178 (+118). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 2.215 | +122 | 45.14% |
| 5% | 2.178 | +118 | 45.91% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does +124 mean in betting?
+124 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +124 the implied probability is 44.64% and a 100 stake returns 224.00.
What is +124 in decimal odds?
+124 converts to 2.240 in decimal odds (usually shown as 2.24). Decimal odds are the total return per unit staked, so multiply your stake by 2.240 to get the return.
What is +124 as a fraction?
+124 is 31/25 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 +124?
A 100 stake at +124 wins 124.00 in profit and returns 224.00 including the stake. To win exactly 100 you would stake 80.65.
What win rate do I need at +124?
The break-even win rate equals the implied probability, 44.64%. Winning more often than that at this price is profitable over the long run; winning less often loses money.