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+365 Odds Explained

Decimal
4.65
American
+365
Fractional
73/20
Implied probability
21.51%
Polymarket
22¢
$100 wins
365.00
Inputs
Results
Decimal odds4.650
American
+365
Fractional
73/20
Implied probability
21.51%
Polymarket
22¢
Profit
365.00
Total return
465.00

4.650 decimal, +365 American, 21.51% implied probability

American odds of +365 mean

a 100 stake wins 365

. In decimal notation that is 4.65, in fractional notation 73/20, and the implied probability is 21.51%. On a prediction market the same price is a 22¢ share.

What +365 pays

A 100 stake at +365 returns 465.00 in total: your 100 back plus 365.00 profit. To win exactly 100 you would stake 27.40. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
1036.5046.50
2591.25116.25
50182.50232.50
100365.00465.00
5001,825.002,325.00
1,0003,650.004,650.00

Break-even and long-run results

The implied probability of +365 is 21.51%, and that number is also the break-even win rate: win more often than 21.51% 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
22%2.3%
50%132.5%
55%155.8%
60%179.0%
65%202.3%

With an implied chance of 21.51%, a bet at +365 is expected to lose most of the time and to pay 365.00 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 +365

If both sides of a two-way market were priced at +365, the implied probabilities would add up to -56.99% above 100%. That excess is the overround, or vig; as a share of stakes it is a -132.50% 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.

+365 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +365 is worth 4.577 decimal (+358 American); at 5% it drops to 4.468 (+347). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%4.577+35821.85%
5%4.468+34722.38%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • +355 · 4.55 · 22.0%
  • +360 · 4.60 · 21.7%
  • +363 · 4.63 · 21.6%
  • +364 · 4.64 · 21.6%
  • +366 · 4.66 · 21.5%
  • +367 · 4.67 · 21.4%
  • +370 · 4.70 · 21.3%
  • +375 · 4.75 · 21.1%

Frequently asked questions

What does +365 mean in betting?

+365 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +365 the implied probability is 21.51% and a 100 stake returns 465.00.

What is +365 in decimal odds?

+365 converts to 4.650 in decimal odds (usually shown as 4.65). Decimal odds are the total return per unit staked, so multiply your stake by 4.650 to get the return.

What is +365 as a fraction?

+365 is 73/20 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 +365?

A 100 stake at +365 wins 365.00 in profit and returns 465.00 including the stake. To win exactly 100 you would stake 27.40.

What win rate do I need at +365?

The break-even win rate equals the implied probability, 21.51%. Winning more often than that at this price is profitable over the long run; winning less often loses money.