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-635 Odds Explained

Decimal
1.16
American
-635
Fractional
14/89
Implied probability
86.39%
Polymarket
86¢
$100 wins
15.75
Inputs
Results
Decimal odds1.157
  • The fraction shown is the closest simple fraction to the odds rounded to 3 decimals, not an exact match.
American
-635
Fractional
14/89
Implied probability
86.39%
Polymarket
86¢
Profit
15.75
Total return
115.75

1.157 decimal, -635 American, 86.39% implied probability

-635 is an American price:

the minus sign marks a favourite, and the number is the stake needed to win 100

. Every other format describes the same chance: 1.16 decimal, 14/89 fractional, 86.39% implied probability, 86¢ on Polymarket.

What -635 pays

A 100 stake at -635 returns 115.75 in total: your 100 back plus 15.75 profit. To win exactly 100 you would stake 635.00. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
101.5711.57
253.9428.94
507.8757.87
10015.75115.75
50078.74578.74
1,000157.481,157.48

Break-even and long-run results

The implied probability of -635 is 86.39%, and that number is also the break-even win rate: win more often than 86.39% 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%-42.1%
55%-36.3%
60%-30.6%
65%-24.8%
86%-0.5%

A price of -635 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 -635

If both sides of a two-way market were priced at -635, the implied probabilities would add up to 72.79% above 100%. That excess is the overround, or vig; as a share of stakes it is a 42.13% 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.

-635 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission -635 is worth 1.154 decimal (-648 American); at 5% it drops to 1.150 (-668). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%1.154-64886.63%
5%1.150-66886.99%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • -685 · 1.15 · 87.3%
  • -660 · 1.15 · 86.8%
  • -645 · 1.16 · 86.6%
  • -640 · 1.16 · 86.5%
  • -630 · 1.16 · 86.3%
  • -625 · 1.16 · 86.2%
  • -610 · 1.16 · 85.9%
  • -585 · 1.17 · 85.4%

Frequently asked questions

What does -635 mean in betting?

-635 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At -635 the implied probability is 86.39% and a 100 stake returns 115.75.

What is -635 in decimal odds?

-635 converts to 1.157 in decimal odds (usually shown as 1.16). Decimal odds are the total return per unit staked, so multiply your stake by 1.157 to get the return.

What is -635 as a fraction?

-635 is 14/89 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 -635?

A 100 stake at -635 wins 15.75 in profit and returns 115.75 including the stake. To win exactly 100 you would stake 635.00.

What win rate do I need at -635?

The break-even win rate equals the implied probability, 86.39%. Winning more often than that at this price is profitable over the long run; winning less often loses money.