-126 Odds Explained
- Decimal
- 1.79
- American
- -126
- Fractional
- 50/63
- Implied probability
- 55.75%
- Polymarket
- 56¢
- $100 wins
- 79.37
- American
- -126
- Fractional
- 50/63
- Implied probability
- 55.75%
- Polymarket
- 56¢
- Profit
- 79.37
- Total return
- 179.37
1.794 decimal, -126 American, 55.75% implied probability
The price -126 converts to 1.79 decimal odds and 50/63 fractional odds. Read as a probability it says the bookmaker prices this outcome at 55.75%, 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 56¢.
What -126 pays
A 100 stake at -126 returns 179.37 in total: your 100 back plus 79.37 profit. To win exactly 100 you would stake 126.00. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 7.94 | 17.94 |
| 25 | 19.84 | 44.84 |
| 50 | 39.68 | 89.68 |
| 100 | 79.37 | 179.37 |
| 500 | 396.83 | 896.83 |
| 1,000 | 793.65 | 1,793.65 |
Break-even and long-run results
The implied probability of -126 is 55.75%, and that number is also the break-even win rate: win more often than 55.75% 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% | -10.3% |
| 55% | -1.3% |
| 56% | 0.4% |
| 60% | 7.6% |
| 65% | 16.6% |
With an implied probability of 55.75%, -126 is a moderate favourite. Prices in this band are where the bookmaker's margin is easiest to see: the opposite side of the market is usually priced a little longer than the fair line, and the two implied probabilities add up to more than 100%.
The vig at -126
If both sides of a two-way market were priced at -126, the implied probabilities would add up to 11.50% above 100%. That excess is the overround, or vig; as a share of stakes it is a 10.32% 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.
-126 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission -126 is worth 1.778 decimal (-129 American); at 5% it drops to 1.754 (-133). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 1.778 | -129 | 56.25% |
| 5% | 1.754 | -133 | 57.01% |
Same price in other formats
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Frequently asked questions
What does -126 mean in betting?
-126 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At -126 the implied probability is 55.75% and a 100 stake returns 179.37.
What is -126 in decimal odds?
-126 converts to 1.794 in decimal odds (usually shown as 1.79). Decimal odds are the total return per unit staked, so multiply your stake by 1.794 to get the return.
What is -126 as a fraction?
-126 is 50/63 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 -126?
A 100 stake at -126 wins 79.37 in profit and returns 179.37 including the stake. To win exactly 100 you would stake 126.00.
What win rate do I need at -126?
The break-even win rate equals the implied probability, 55.75%. Winning more often than that at this price is profitable over the long run; winning less often loses money.