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+449 Odds Explained

Decimal
5.49
American
+449
Fractional
449/100
Implied probability
18.21%
Polymarket
18¢
$100 wins
449.00
Inputs
Results
Decimal odds5.490
American
+449
Fractional
449/100
Implied probability
18.21%
Polymarket
18¢
Profit
449.00
Total return
549.00

5.490 decimal, +449 American, 18.21% implied probability

The price +449 converts to 5.49 decimal odds and 449/100 fractional odds. Read as a probability it says the bookmaker prices this outcome at 18.21%, 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 18¢.

What +449 pays

A 100 stake at +449 returns 549.00 in total: your 100 back plus 449.00 profit. To win exactly 100 you would stake 22.27. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
1044.9054.90
25112.25137.25
50224.50274.50
100449.00549.00
5002,245.002,745.00
1,0004,490.005,490.00

Break-even and long-run results

The implied probability of +449 is 18.21%, and that number is also the break-even win rate: win more often than 18.21% 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
18%-1.2%
50%174.5%
55%202.0%
60%229.4%
65%256.9%

+449 is a longshot. The bookmaker prices the outcome at 18.21%, and the payout of 449.00 per 100 staked is the compensation for how rarely it lands. Longshots carry more margin than any other part of the market, which is why devigging methods disagree most at prices like this one.

The vig at +449

If both sides of a two-way market were priced at +449, the implied probabilities would add up to -63.57% above 100%. That excess is the overround, or vig; as a share of stakes it is a -174.50% 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.

+449 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +449 is worth 5.400 decimal (+440 American); at 5% it drops to 5.266 (+427). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%5.400+44018.52%
5%5.266+42718.99%

Same price in other formats

Nearby prices

Nearby prices

  • +439 · 5.39 · 18.6%
  • +444 · 5.44 · 18.4%
  • +447 · 5.47 · 18.3%
  • +448 · 5.48 · 18.2%
  • +450 · 5.50 · 18.2%
  • +451 · 5.51 · 18.1%
  • +454 · 5.54 · 18.1%
  • +459 · 5.59 · 17.9%

Frequently asked questions

What does +449 mean in betting?

+449 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +449 the implied probability is 18.21% and a 100 stake returns 549.00.

What is +449 in decimal odds?

+449 converts to 5.490 in decimal odds (usually shown as 5.49). Decimal odds are the total return per unit staked, so multiply your stake by 5.490 to get the return.

What is +449 as a fraction?

+449 is 449/100 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 +449?

A 100 stake at +449 wins 449.00 in profit and returns 549.00 including the stake. To win exactly 100 you would stake 22.27.

What win rate do I need at +449?

The break-even win rate equals the implied probability, 18.21%. Winning more often than that at this price is profitable over the long run; winning less often loses money.