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+690 Odds Explained

Decimal
7.90
American
+690
Fractional
69/10
Implied probability
12.66%
Polymarket
13¢
$100 wins
690.00
Inputs
Results
Decimal odds7.900
American
+690
Fractional
69/10
Implied probability
12.66%
Polymarket
13¢
Profit
690.00
Total return
790.00

7.900 decimal, +690 American, 12.66% implied probability

The price +690 converts to 7.90 decimal odds and 69/10 fractional odds. Read as a probability it says the bookmaker prices this outcome at 12.66%, which is the share of the time you would need to win just to break even. A prediction market would quote the same chance as 13¢.

What +690 pays

A 100 stake at +690 returns 790.00 in total: your 100 back plus 690.00 profit. To win exactly 100 you would stake 14.49. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
1069.0079.00
25172.50197.50
50345.00395.00
100690.00790.00
5003,450.003,950.00
1,0006,900.007,900.00

Break-even and long-run results

The implied probability of +690 is 12.66%, and that number is also the break-even win rate: win more often than 12.66% 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
13%2.7%
50%295.0%
55%334.5%
60%374.0%
65%413.5%

+690 is a longshot. The bookmaker prices the outcome at 12.66%, and the payout of 690.00 per 100 staked is the compensation for how rarely it lands. Longshots carry more margin than any other part of the market, which is why devigging methods disagree most at prices like this one.

The vig at +690

If both sides of a two-way market were priced at +690, the implied probabilities would add up to -74.68% above 100%. That excess is the overround, or vig; as a share of stakes it is a -295.00% 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.

+690 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +690 is worth 7.762 decimal (+676 American); at 5% it drops to 7.555 (+656). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%7.762+67612.88%
5%7.555+65613.24%

Same price in other formats

Nearby prices

Nearby prices

  • +640 · 7.40 · 13.5%
  • +665 · 7.65 · 13.1%
  • +680 · 7.80 · 12.8%
  • +685 · 7.85 · 12.7%
  • +695 · 7.95 · 12.6%
  • +700 · 8.00 · 12.5%
  • +715 · 8.15 · 12.3%
  • +740 · 8.40 · 11.9%

Frequently asked questions

What does +690 mean in betting?

+690 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +690 the implied probability is 12.66% and a 100 stake returns 790.00.

What is +690 in decimal odds?

+690 converts to 7.900 in decimal odds (usually shown as 7.90). Decimal odds are the total return per unit staked, so multiply your stake by 7.900 to get the return.

What is +690 as a fraction?

+690 is 69/10 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 +690?

A 100 stake at +690 wins 690.00 in profit and returns 790.00 including the stake. To win exactly 100 you would stake 14.49.

What win rate do I need at +690?

The break-even win rate equals the implied probability, 12.66%. Winning more often than that at this price is profitable over the long run; winning less often loses money.