| The point spread (referred to as the runline in baseball) | | | | Rather than just winning outright, the favorite in the |
| is the handicap, or head start, that the linesmaker gives | | | | betting must win by more than the point spread |
| to the underdog. Oddsmakers set the odds in hopes | | | | ("cover the spread") for bets on the favorite to win. |
| of getting bets on both sides of the game. Many | | | | Let's say the Oakland Raiders are playing the Dallas |
| oddsmakers create their own power ratings on each | | | | Cowboys in the NFL. The oddsmakers open the line |
| team and with help from a computer software | | | | with the Cowboys being the favorite and the Raiders |
| program will create a pointspread. Pointspread | | | | being the underdog. The linesmaker might decide to |
| software will factor statistics, weather and injuries to | | | | give the Raiders a four-point head start, which would |
| name a few. Oddsmakers may tweak the | | | | look like this in the Las Vegas or online sportsbook: |
| computer-generated pointspread on a case-by-case | | | | Cowboys -4 |
| basis. Other factors are involved when setting the line. | | | | Raiders +4 |
| Often times you will hear references to public teams | | | | If you bet on the Cowboys, you'll win your sports bet if |
| when you are in a Las Vegas sportsbook or listening | | | | the Cowboys win the game by more than four points |
| to sports betting radio. This is defined as teams who | | | | (i.e., if their score is higher even after you subtract four |
| receive more betting action consistently on their sports | | | | points from it). If you bet on the Raiders, however, you'll |
| betting side. You will often see oddsmakers increase | | | | win your bet if they lose by no more than three points |
| the pointspread on the public teams to help balance | | | | (i.e., if their score is higher after you add four points to |
| the action and to give the sportsbook a better shot of | | | | it). If the final score results in a tie (in this example, if the |
| beating the public. Sports betting professionals will | | | | Cowboys win by exactly four points), the wager will |
| often view online sportsbooks to track the amount bet | | | | be graded "Push" and your money will be refunded. |
| on each team. They want to track the sports betting | | | | How much you stand to win is determined by the |
| action in hopes of betting against public teams the next | | | | moneyline odds attached to the point spread. When no |
| time they play, as their betting line will be inflated giving | | | | odds are listed, the line is standard (i.e., -110) meaning |
| online or Las Vegas sports betting professionals an | | | | you will have to bet $11 to win $10. |
| advantage. | | | | The moneyline will factor in a payoff if the pointspread |
| The sportsbook wants to balance each side because | | | | is set at a key number of 3. Since many close games |
| Las Vegas and online sportsbook earn a 10% | | | | are decided by a field goal Las Vegas and online |
| commission for taking the sports bet. That's why it will | | | | sportsbooks are reluctant to move the line off of 3. |
| cost you 11 dollars to win 10 dollars when you bet | | | | Instead the sportsbook will attach a moneyline to the |
| against the spread in a sportsbook. So if you bet $11 | | | | game. Often times sportsbook managers will make |
| on team A to cover the spread and Team A is | | | | the sports bettors pay from $12 to $13 dollars to win |
| successful you would win back $10 plus receive your | | | | $10 on the betting side the sportsbook is getting the |
| original $11 dollars back for a total of $21. If Team A | | | | heavy action on when the pointspread is set at 3 in a |
| fails to cover the pointspread you are out of your $11 | | | | football game. To help meet their projected 4.5% |
| sports wager. An online or Las Vegas sportsbook | | | | return on their betting handle sportsbook managers will |
| projected profit margin is 4.5% of their total sports | | | | move the line to help balance the betting. |
| betting handle. | | | | |