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+245 Odds Explained

Decimal
3.45
American
+245
Fractional
49/20
Implied probability
28.99%
Polymarket
29¢
$100 wins
245.00
Inputs
Results
Decimal odds3.450
American
+245
Fractional
49/20
Implied probability
28.99%
Polymarket
29¢
Profit
245.00
Total return
345.00

3.450 decimal, +245 American, 28.99% implied probability

+245 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: 3.45 decimal, 49/20 fractional, 28.99% implied probability, 29¢ on Polymarket.

What +245 pays

A 100 stake at +245 returns 345.00 in total: your 100 back plus 245.00 profit. To win exactly 100 you would stake 40.82. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
1024.5034.50
2561.2586.25
50122.50172.50
100245.00345.00
5001,225.001,725.00
1,0002,450.003,450.00

Break-even and long-run results

The implied probability of +245 is 28.99%, and that number is also the break-even win rate: win more often than 28.99% 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
29%0.0%
50%72.5%
55%89.8%
60%107.0%
65%124.2%

+245 is an underdog price: the bookmaker gives this outcome an implied chance of 28.99%, and the payout of 245.00 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 +245

If both sides of a two-way market were priced at +245, the implied probabilities would add up to -42.03% above 100%. That excess is the overround, or vig; as a share of stakes it is a -72.50% 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.

+245 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +245 is worth 3.401 decimal (+240 American); at 5% it drops to 3.327 (+233). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%3.401+24029.40%
5%3.327+23330.05%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • +235 · 3.35 · 29.9%
  • +240 · 3.40 · 29.4%
  • +243 · 3.43 · 29.2%
  • +244 · 3.44 · 29.1%
  • +246 · 3.46 · 28.9%
  • +247 · 3.47 · 28.8%
  • +250 · 3.50 · 28.6%
  • +255 · 3.55 · 28.2%

Frequently asked questions

What does +245 mean in betting?

+245 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +245 the implied probability is 28.99% and a 100 stake returns 345.00.

What is +245 in decimal odds?

+245 converts to 3.450 in decimal odds (usually shown as 3.45). Decimal odds are the total return per unit staked, so multiply your stake by 3.450 to get the return.

What is +245 as a fraction?

+245 is 49/20 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 +245?

A 100 stake at +245 wins 245.00 in profit and returns 345.00 including the stake. To win exactly 100 you would stake 40.82.

What win rate do I need at +245?

The break-even win rate equals the implied probability, 28.99%. Winning more often than that at this price is profitable over the long run; winning less often loses money.