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-142 Odds Explained

Decimal
1.70
American
-142
Fractional
50/71
Implied probability
58.68%
Polymarket
59¢
$100 wins
70.42
Inputs
Results
Decimal odds1.704
American
-142
Fractional
50/71
Implied probability
58.68%
Polymarket
59¢
Profit
70.42
Total return
170.42

1.704 decimal, -142 American, 58.68% implied probability

-142 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: 1.70 decimal, 50/71 fractional, 58.68% implied probability, 59¢ on Polymarket.

What -142 pays

A 100 stake at -142 returns 170.42 in total: your 100 back plus 70.42 profit. To win exactly 100 you would stake 142.00. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
107.0417.04
2517.6142.61
5035.2185.21
10070.42170.42
500352.11852.11
1,000704.231,704.23

Break-even and long-run results

The implied probability of -142 is 58.68%, and that number is also the break-even win rate: win more often than 58.68% 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%-14.8%
55%-6.3%
59%0.5%
60%2.3%
65%10.8%

With an implied probability of 58.68%, -142 is a moderate favourite. Prices in this band are where the bookmaker's margin is easiest to see: the opposite side of the market is usually priced a little longer than the fair line, and the two implied probabilities add up to more than 100%.

The vig at -142

If both sides of a two-way market were priced at -142, the implied probabilities would add up to 17.36% above 100%. That excess is the overround, or vig; as a share of stakes it is a 14.79% 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.

-142 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission -142 is worth 1.690 decimal (-145 American); at 5% it drops to 1.669 (-149). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%1.690-14559.17%
5%1.669-14959.92%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • -152 · 1.66 · 60.3%
  • -147 · 1.68 · 59.5%
  • -144 · 1.69 · 59.0%
  • -143 · 1.70 · 58.8%
  • -141 · 1.71 · 58.5%
  • -140 · 1.71 · 58.3%
  • -137 · 1.73 · 57.8%
  • -132 · 1.76 · 56.9%

Frequently asked questions

What does -142 mean in betting?

-142 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At -142 the implied probability is 58.68% and a 100 stake returns 170.42.

What is -142 in decimal odds?

-142 converts to 1.704 in decimal odds (usually shown as 1.70). Decimal odds are the total return per unit staked, so multiply your stake by 1.704 to get the return.

What is -142 as a fraction?

-142 is 50/71 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 -142?

A 100 stake at -142 wins 70.42 in profit and returns 170.42 including the stake. To win exactly 100 you would stake 142.00.

What win rate do I need at -142?

The break-even win rate equals the implied probability, 58.68%. Winning more often than that at this price is profitable over the long run; winning less often loses money.