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+383 Odds Explained

Decimal
4.83
American
+383
Fractional
383/100
Implied probability
20.70%
Polymarket
21¢
$100 wins
383.00
Inputs
Results
Decimal odds4.830
American
+383
Fractional
383/100
Implied probability
20.70%
Polymarket
21¢
Profit
383.00
Total return
483.00

4.830 decimal, +383 American, 20.70% implied probability

American odds of +383 mean

a 100 stake wins 383

. In decimal notation that is 4.83, in fractional notation 383/100, and the implied probability is 20.70%. On a prediction market the same price is a 21¢ share.

What +383 pays

A 100 stake at +383 returns 483.00 in total: your 100 back plus 383.00 profit. To win exactly 100 you would stake 26.11. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
1038.3048.30
2595.75120.75
50191.50241.50
100383.00483.00
5001,915.002,415.00
1,0003,830.004,830.00

Break-even and long-run results

The implied probability of +383 is 20.70%, and that number is also the break-even win rate: win more often than 20.70% 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
21%1.4%
50%141.5%
55%165.7%
60%189.8%
65%214.0%

With an implied chance of 20.70%, a bet at +383 is expected to lose most of the time and to pay 383.00 on 100 when it does not. Outright markets, correct scores and big upsets are where these prices appear, and they are the prices bookmakers shade the hardest.

The vig at +383

If both sides of a two-way market were priced at +383, the implied probabilities would add up to -58.59% above 100%. That excess is the overround, or vig; as a share of stakes it is a -141.50% 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.

+383 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +383 is worth 4.753 decimal (+375 American); at 5% it drops to 4.639 (+364). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%4.753+37521.04%
5%4.639+36421.56%

Same price in other formats

Nearby prices

Nearby prices

  • +373 · 4.73 · 21.1%
  • +378 · 4.78 · 20.9%
  • +381 · 4.81 · 20.8%
  • +382 · 4.82 · 20.7%
  • +384 · 4.84 · 20.7%
  • +385 · 4.85 · 20.6%
  • +388 · 4.88 · 20.5%
  • +393 · 4.93 · 20.3%

Frequently asked questions

What does +383 mean in betting?

+383 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +383 the implied probability is 20.70% and a 100 stake returns 483.00.

What is +383 in decimal odds?

+383 converts to 4.830 in decimal odds (usually shown as 4.83). Decimal odds are the total return per unit staked, so multiply your stake by 4.830 to get the return.

What is +383 as a fraction?

+383 is 383/100 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 +383?

A 100 stake at +383 wins 383.00 in profit and returns 483.00 including the stake. To win exactly 100 you would stake 26.11.

What win rate do I need at +383?

The break-even win rate equals the implied probability, 20.70%. Winning more often than that at this price is profitable over the long run; winning less often loses money.