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-1250 Odds Explained

Decimal
1.08
American
-1,250
Fractional
2/25
Implied probability
92.59%
Polymarket
93¢
$100 wins
8.00
Inputs
Results
Decimal odds1.080
American
-1,250
Fractional
2/25
Implied probability
92.59%
Polymarket
93¢
Profit
8.00
Total return
108.00

1.080 decimal, -1,250 American, 92.59% implied probability

American odds of -1250 mean

you risk 1250 to win 100

. In decimal notation that is 1.08, in fractional notation 2/25, and the implied probability is 92.59%. On a prediction market the same price is a 93¢ share.

What -1250 pays

A 100 stake at -1250 returns 108.00 in total: your 100 back plus 8.00 profit. To win exactly 100 you would stake 1,250.00. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
100.8010.80
252.0027.00
504.0054.00
1008.00108.00
50040.00540.00
1,00080.001,080.00

Break-even and long-run results

The implied probability of -1250 is 92.59%, and that number is also the break-even win rate: win more often than 92.59% 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.

Return on stake by long-run win rate
Win rateReturn on stake
50%-46.0%
55%-40.6%
60%-35.2%
65%-29.8%
93%0.4%

A price of -1250 is deep odds-on. Bookmakers quote it when an outcome is close to a formality, and the margin they take is proportionally large at this end of the market. Sharp bettors tend to look at the other side of such a market, or at the exchange, where the same favourite is often available a tick or two better.

The vig at -1250

If both sides of a two-way market were priced at -1250, the implied probabilities would add up to 85.19% above 100%. That excess is the overround, or vig; as a share of stakes it is a 46.00% 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.

-1250 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission -1250 is worth 1.078 decimal (-1,276 American); at 5% it drops to 1.076 (-1,316). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%1.078-1,27692.73%
5%1.076-1,31692.94%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

Frequently asked questions

What does -1250 mean in betting?

-1250 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At -1250 the implied probability is 92.59% and a 100 stake returns 108.00.

What is -1250 in decimal odds?

-1250 converts to 1.080 in decimal odds (usually shown as 1.08). Decimal odds are the total return per unit staked, so multiply your stake by 1.080 to get the return.

What is -1250 as a fraction?

-1250 is 2/25 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 -1250?

A 100 stake at -1250 wins 8.00 in profit and returns 108.00 including the stake. To win exactly 100 you would stake 1,250.00.

What win rate do I need at -1250?

The break-even win rate equals the implied probability, 92.59%. Winning more often than that at this price is profitable over the long run; winning less often loses money.