What does -105 mean in betting?
-105 means you risk $105 to win $100, or $10.50 to win $10. The price says it wins 51.2% of the time, so you need to win more than 51.2% of your bets at -105 to make money.
In plain words
-105 is close to a coin flip with the book's cut built in. It usually sits across from -115 on the other side of a spread, a total or a player prop.
Add the two chances: 51.2% + 53.5% = 104.7%. The extra 4.7% is the book's cut, called the juice or the vig. It is why you need 51.2% at -105, not 50%, to break even.
This is where shopping for the price pays most. The same pick at +100 instead of -105 wins $4.76 more on every $100 bet that wins.
Where you see -105
A reduced-juice price. One side drifts to -105 when the other moves to -115, and some apps run -105 spreads as a promotion.
100 bets at -105
| Win rate | Wins in 100 | Result on 100 bets of $10 |
|---|---|---|
| 48.2% | 48.2 | -$58.57 |
| 51.2% (break-even) | 51.2 | $0 |
| 54.2% | 54.2 | +$58.57 |
Three points above break-even turns 100 bets of $10 at -105 into about $58.57 of profit; three points below loses about the same. The edge is the few points, not the pick.
Prices next to -105
| Price | Chance | $10 wins | Bet to win $100 |
|---|---|---|---|
| -120 | 54.5% | $8.33 | $120 |
| -115 | 53.5% | $8.70 | $115 |
| -110 | 52.4% | $9.09 | $110 |
| -105 | 51.2% | $9.52 | $105 |
| +100 | 50.0% | $10 | $100 |
| +105 | 48.8% | $10.50 | $95.24 |
| +110 | 47.6% | $11 | $90.91 |
One step better for you, +100 pays $4.76 more than -105 on every $100 bet that wins.
Convert -105 or any other price, see what a ticket pays, or get a suggested bet size for your bankroll.
Questions
What does -105 mean in betting?
-105 means you risk $105 to win $100, or $10.50 to win $10. The price says it wins 51.2% of the time, so you need to win more than 51.2% of your bets at -105 to make money.
How much does a $10 bet win at -105?
$9.52 in profit. You get $19.52 back in total: your $10 plus the win. A $100 bet wins $95.24.
What win rate do I need at -105?
More than 51.2% to make money over time. That is the price's implied chance, also called the break-even rate.
What is -105 in decimal odds?
1.95. A $1 bet returns $1.95 in total. As a fraction it is 20/21.
How much juice is in -105?
With -115 on the other side, the two implied chances add up to 104.7%, so the book's cut is about 4.7% of the market.
One pick a day, free, with its price, the book and a suggested bet size, posted at least 30 minutes before the game. Every result stays public.
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