−155 odds: what they mean and what they pay
At −155 you bet $155 to win $100 in profit, $255 back in all. The price implies a 60.78% chance, so you need to win more than 60.78% of these bets to come out ahead.
The same price in every format
| American | −155 |
|---|---|
| Decimal | 1.645 |
| Fractional | 20/31 |
| Implied chance | 60.78% |
| Break-even win rate | 60.78% |
What −155 pays
| Bet | Profit if it wins | Total back |
|---|---|---|
| $10 | $6.45 | $16.45 |
| $25 | $16.13 | $41.13 |
| $50 | $32.26 | $82.26 |
| $100 | $64.52 | $164.52 |
| $250 | $161.29 | $411.29 |
| $1,000 | $645.16 | $1,645.16 |
Is −155 good odds?
It depends on how likely the bet is to win, not on the number itself. −155 is a good price on a side that wins more than 60.78% of the time and a bad one on a side that wins less. If a market kept nothing, the other side of a −155 bet would be +155; real books price it worse than that, and the gap is their cut. At −110 on both sides, the most common spread and total price, the cut is 4.76%. Which book keeps the least differs: every sportsbook's cut, measured.
As a price, −155 makes the side a clear favorite.
What a better price is worth
Find −150 instead of −155 on the same bet and the win rate you need drops from 60.78% to 60.00%. Over 100 bets of $100 that win 60.78% of the time, −155 breaks even and −150 comes out about $130.72 ahead: the same picks, a better price. Books often differ by that much on the same game: the board shows which one pays the most.
−155 in a parlay
Two legs at −155 combine to decimal 2.707 (about +171): $100 would return $270.66. Each leg's cut compounds, so a parlay keeps more for the book than a single bet. Parlay calculator.
Questions
What does -155 mean in betting?
-155 means you bet $155 to win $100 in profit, returning $255 in all.
How much do I win on a $100 bet at -155?
$64.52 profit, $164.52 back in all if it wins.
What is -155 as a percentage?
-155 implies a 60.78% chance. That's also the share of bets you'd need to win to break even.
What is -155 in decimal odds?
1.645. In fractional odds it's about 20/31.
Is -155 a good bet?
Only if the side wins more than 60.78% of the time. The price alone can't tell you: compare it with other sportsbooks' prices on the same bet, since a better price lowers the win rate you need.