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+165 Odds Explained

Decimal
2.65
American
+165
Fractional
33/20
Implied probability
37.74%
Polymarket
38¢
$100 wins
165.00
Inputs
Results
Decimal odds2.650
American
+165
Fractional
33/20
Implied probability
37.74%
Polymarket
38¢
Profit
165.00
Total return
265.00

2.650 decimal, +165 American, 37.74% implied probability

American odds of +165 mean

a 100 stake wins 165

. In decimal notation that is 2.65, in fractional notation 33/20, and the implied probability is 37.74%. On a prediction market the same price is a 38¢ share.

What +165 pays

A 100 stake at +165 returns 265.00 in total: your 100 back plus 165.00 profit. To win exactly 100 you would stake 60.61. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
1016.5026.50
2541.2566.25
5082.50132.50
100165.00265.00
500825.001,325.00
1,0001,650.002,650.00

Break-even and long-run results

The implied probability of +165 is 37.74%, and that number is also the break-even win rate: win more often than 37.74% 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
38%0.7%
50%32.5%
55%45.8%
60%59.0%
65%72.3%

At 37.74% implied, +165 is a moderate underdog. A bet here wins less than half the time by the bookmaker's reckoning, but each win pays 165.00 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 +165

If both sides of a two-way market were priced at +165, the implied probabilities would add up to -24.53% above 100%. That excess is the overround, or vig; as a share of stakes it is a -32.50% 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.

+165 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +165 is worth 2.617 decimal (+162 American); at 5% it drops to 2.568 (+157). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%2.617+16238.21%
5%2.568+15738.95%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • +155 · 2.55 · 39.2%
  • +160 · 2.60 · 38.5%
  • +163 · 2.63 · 38.0%
  • +164 · 2.64 · 37.9%
  • +166 · 2.66 · 37.6%
  • +167 · 2.67 · 37.5%
  • +170 · 2.70 · 37.0%
  • +175 · 2.75 · 36.4%

Frequently asked questions

What does +165 mean in betting?

+165 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +165 the implied probability is 37.74% and a 100 stake returns 265.00.

What is +165 in decimal odds?

+165 converts to 2.650 in decimal odds (usually shown as 2.65). Decimal odds are the total return per unit staked, so multiply your stake by 2.650 to get the return.

What is +165 as a fraction?

+165 is 33/20 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 +165?

A 100 stake at +165 wins 165.00 in profit and returns 265.00 including the stake. To win exactly 100 you would stake 60.61.

What win rate do I need at +165?

The break-even win rate equals the implied probability, 37.74%. Winning more often than that at this price is profitable over the long run; winning less often loses money.