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+125 Odds Explained

Decimal
2.25
American
+125
Fractional
5/4
Implied probability
44.44%
Polymarket
44¢
$100 wins
125.00
Inputs
Results
Decimal odds2.250
American
+125
Fractional
5/4
Implied probability
44.44%
Polymarket
44¢
Profit
125.00
Total return
225.00

2.250 decimal, +125 American, 44.44% implied probability

+125 is an American price:

the plus sign marks an underdog, and the number is the profit on a 100 stake

. Every other format describes the same chance: 2.25 decimal, 5/4 fractional, 44.44% implied probability, 44¢ on Polymarket.

What +125 pays

A 100 stake at +125 returns 225.00 in total: your 100 back plus 125.00 profit. To win exactly 100 you would stake 80.00. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
1012.5022.50
2531.2556.25
5062.50112.50
100125.00225.00
500625.001,125.00
1,0001,250.002,250.00

Break-even and long-run results

The implied probability of +125 is 44.44%, and that number is also the break-even win rate: win more often than 44.44% 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
44%-1.0%
50%12.5%
55%23.8%
60%35.0%
65%46.3%

At 44.44% implied, +125 is a moderate underdog. A bet here wins less than half the time by the bookmaker's reckoning, but each win pays 125.00 per 100. Draws in soccer, the second favourite in a three-horse race and road teams in close games are typical residents of this range.

The vig at +125

If both sides of a two-way market were priced at +125, the implied probabilities would add up to -11.11% above 100%. That excess is the overround, or vig; as a share of stakes it is a -12.50% 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.

+125 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +125 is worth 2.225 decimal (+123 American); at 5% it drops to 2.188 (+119). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%2.225+12344.94%
5%2.188+11945.71%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • +115 · 2.15 · 46.5%
  • +120 · 2.20 · 45.5%
  • +123 · 2.23 · 44.8%
  • +124 · 2.24 · 44.6%
  • +126 · 2.26 · 44.2%
  • +127 · 2.27 · 44.1%
  • +130 · 2.30 · 43.5%
  • +135 · 2.35 · 42.6%

Frequently asked questions

What does +125 mean in betting?

+125 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +125 the implied probability is 44.44% and a 100 stake returns 225.00.

What is +125 in decimal odds?

+125 converts to 2.250 in decimal odds (usually shown as 2.25). Decimal odds are the total return per unit staked, so multiply your stake by 2.250 to get the return.

What is +125 as a fraction?

+125 is 5/4 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 +125?

A 100 stake at +125 wins 125.00 in profit and returns 225.00 including the stake. To win exactly 100 you would stake 80.00.

What win rate do I need at +125?

The break-even win rate equals the implied probability, 44.44%. Winning more often than that at this price is profitable over the long run; winning less often loses money.