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-254 Odds Explained

Decimal
1.39
American
-254
Fractional
37/94
Implied probability
71.75%
Polymarket
72¢
$100 wins
39.37
Inputs
Results
Decimal odds1.394
  • The fraction shown is the closest simple fraction to the odds rounded to 3 decimals, not an exact match.
American
-254
Fractional
37/94
Implied probability
71.75%
Polymarket
72¢
Profit
39.37
Total return
139.37

1.394 decimal, -254 American, 71.75% implied probability

American odds of -254 mean

you risk 254 to win 100

. In decimal notation that is 1.39, in fractional notation 37/94, and the implied probability is 71.75%. On a prediction market the same price is a 72¢ share.

What -254 pays

A 100 stake at -254 returns 139.37 in total: your 100 back plus 39.37 profit. To win exactly 100 you would stake 254.00. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
103.9413.94
259.8434.84
5019.6969.69
10039.37139.37
500196.85696.85
1,000393.701,393.70

Break-even and long-run results

The implied probability of -254 is 71.75%, and that number is also the break-even win rate: win more often than 71.75% 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.

Return on stake by long-run win rate
Win rateReturn on stake
50%-30.3%
55%-23.3%
60%-16.4%
65%-9.4%
72%0.3%

With an implied probability of 71.75%, -254 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 -254

If both sides of a two-way market were priced at -254, the implied probabilities would add up to 43.50% above 100%. That excess is the overround, or vig; as a share of stakes it is a 30.31% 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.

-254 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission -254 is worth 1.386 decimal (-259 American); at 5% it drops to 1.374 (-267). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%1.386-25972.16%
5%1.374-26772.78%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • -264 · 1.38 · 72.5%
  • -259 · 1.39 · 72.1%
  • -256 · 1.39 · 71.9%
  • -255 · 1.39 · 71.8%
  • -253 · 1.40 · 71.7%
  • -252 · 1.40 · 71.6%
  • -249 · 1.40 · 71.3%
  • -244 · 1.41 · 70.9%

Frequently asked questions

What does -254 mean in betting?

-254 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At -254 the implied probability is 71.75% and a 100 stake returns 139.37.

What is -254 in decimal odds?

-254 converts to 1.394 in decimal odds (usually shown as 1.39). Decimal odds are the total return per unit staked, so multiply your stake by 1.394 to get the return.

What is -254 as a fraction?

-254 is 37/94 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 -254?

A 100 stake at -254 wins 39.37 in profit and returns 139.37 including the stake. To win exactly 100 you would stake 254.00.

What win rate do I need at -254?

The break-even win rate equals the implied probability, 71.75%. Winning more often than that at this price is profitable over the long run; winning less often loses money.