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-336 Odds Explained

Decimal
1.30
American
-336
Fractional
25/84
Implied probability
77.06%
Polymarket
77¢
$100 wins
29.76
Inputs
Results
Decimal odds1.298
American
-336
Fractional
25/84
Implied probability
77.06%
Polymarket
77¢
Profit
29.76
Total return
129.76

1.298 decimal, -336 American, 77.06% implied probability

American odds of -336 mean

you risk 336 to win 100

. In decimal notation that is 1.30, in fractional notation 25/84, and the implied probability is 77.06%. On a prediction market the same price is a 77¢ share.

What -336 pays

A 100 stake at -336 returns 129.76 in total: your 100 back plus 29.76 profit. To win exactly 100 you would stake 336.00. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
102.9812.98
257.4432.44
5014.8864.88
10029.76129.76
500148.81648.81
1,000297.621,297.62

Break-even and long-run results

The implied probability of -336 is 77.06%, and that number is also the break-even win rate: win more often than 77.06% 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
50%-35.1%
55%-28.6%
60%-22.1%
65%-15.7%
77%-0.1%

A price of -336 is deep odds-on. Bookmakers quote it when an outcome is close to a formality, and the margin they take is proportionally large at this end of the market. Sharp bettors tend to look at the other side of such a market, or at the exchange, where the same favourite is often available a tick or two better.

The vig at -336

If both sides of a two-way market were priced at -336, the implied probabilities would add up to 54.13% above 100%. That excess is the overround, or vig; as a share of stakes it is a 35.12% 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.

-336 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission -336 is worth 1.292 decimal (-343 American); at 5% it drops to 1.283 (-354). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%1.292-34377.42%
5%1.283-35477.96%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • -346 · 1.29 · 77.6%
  • -341 · 1.29 · 77.3%
  • -338 · 1.30 · 77.2%
  • -337 · 1.30 · 77.1%
  • -335 · 1.30 · 77.0%
  • -334 · 1.30 · 77.0%
  • -331 · 1.30 · 76.8%
  • -326 · 1.31 · 76.5%

Frequently asked questions

What does -336 mean in betting?

-336 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At -336 the implied probability is 77.06% and a 100 stake returns 129.76.

What is -336 in decimal odds?

-336 converts to 1.298 in decimal odds (usually shown as 1.30). Decimal odds are the total return per unit staked, so multiply your stake by 1.298 to get the return.

What is -336 as a fraction?

-336 is 25/84 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 -336?

A 100 stake at -336 wins 29.76 in profit and returns 129.76 including the stake. To win exactly 100 you would stake 336.00.

What win rate do I need at -336?

The break-even win rate equals the implied probability, 77.06%. Winning more often than that at this price is profitable over the long run; winning less often loses money.