How Do Spreads Work in Sports Betting? Point Spreads Explained
Sports betting spreads work by giving the underdog a virtual point advantage and the favorite a virtual point disadvantage. If a team is -3.5, it must win by more than 3.5 points to cover the spread. A team at +3.5 can either win outright or lose by 3 points or fewer for the spread bet to win.
What Do Spreads Mean in Sports Betting?
A point spread is a sports betting market that gives the favorite a handicap and the underdog an advantage for betting purposes. Instead of simply predicting which team will win, you're betting on whether a team will “cover” the sportsbook's projected margin of victory. Unlike a moneyline bet, which only asks you to pick the winner, a spread bet also asks you to judge the margin of victory.
Here's a real spread bet for an NBA matchup between the Denver Nuggets and Minnesota Timberwolves. In the image below, the Timberwolves are -3.5 favorites and the Nuggets are +3.5 underdogs.
If the Timberwolves are -3.5, they need to win by 4 or more points for a Timberwolves spread bet to win. If the Nuggets are +3.5, they can either win the game outright or lose by 3 points or fewer for a Nuggets spread bet to win.
How Do Point Spreads Work in Sports Betting?
Every point spread has a favorite, marked with a minus sign, and an underdog, marked with a plus sign. The number next to each team is the number of points added to or subtracted from the final score to determine which side of the bet wins.
In football, if a team is favored by 7 points (-7), betting on that favorite means you're betting they'll win by more than 7 points. Betting on the underdog (+7) means you're betting they'll either win outright or lose by fewer than 7 points. The same logic applies across the NFL, NBA, college football and college basketball.
How Are Spreads Calculated in Sports Betting?
Sportsbooks calculate point spreads using factors such as team strength, player availability, injuries, recent performance, matchup data, home-field advantage, and betting market information. The opening spread can then move as sportsbooks receive new information and react to market activity.
For example, a sportsbook might initially make Philadelphia a -3 favorite. If a key opposing player is ruled out, the spread could move to Philadelphia -4.5.
How to Read a Point Spread
A point spread is usually listed next to a team's name, such as “Chiefs -6.5” or “Bills +6.5.” Here's what each side means:
- Minus sign (favorite): the team must win by more than that number of points for a spread bet on them to win.
- Plus sign (underdog): the team can win outright or lose by fewer than that number of points for a spread bet on them to win.
Half-point spreads, sometimes called “hooks,” such as -3.5 or +6.5, are used specifically to prevent a tie between the bet and the final result.
What Does It Mean to Cover the Spread?
Covering the spread means a team's final result is good enough, after the point spread is applied, for that wager to win. A favorite covers by winning by more than the spread. An underdog covers by winning outright or by losing by less than the spread.
What Happens if the Spread Is a Push?
If the spread uses a whole number and the adjusted result lands exactly on that number, the bet is generally graded as a push, and the stake is returned. Sportsbooks often use half-point spreads, such as -3.5, specifically to prevent pushes from happening.
How Sports Betting Spreads Work in Different Sports
NFL Point Spreads
NFL spreads typically range from short favorites of -1 or -1.5 to blowout lines of -14 or higher. If the Chiefs are -6.5 against the Bills, Kansas City needs to win by 7 or more points for a Chiefs spread bet to win. A bet on the Bills at +6.5 wins if Buffalo wins outright or loses by 6 points or fewer.
NBA Point Spreads
NBA spreads tend to run larger than NFL spreads because basketball games are higher scoring. Using the earlier example, a -3.5 Timberwolves spread bet needs a win by 4 or more points, while a +3.5 Nuggets spread bet wins on any Nuggets win, tie, or loss of 3 points or fewer.
MLB Run Lines
In baseball, the point spread is called the “run line” and is almost always set at 1.5 runs because MLB games are typically lower-scoring. If the Dodgers are -1.5 against the Padres, Los Angeles must win by 2 or more runs for a spread bet to cash. A Padres +1.5 bet wins if San Diego wins outright or loses by exactly 1 run.
Soccer Spreads
In soccer, the point spread is often called the “goal line” because it accounts for the sport's low-scoring nature. For example, in the 2026 World Cup opening match between host nation Mexico and South Africa, if bookmakers set Mexico as a -1.5 goal favorite, Mexico must win by two or more goals for a bet on them to cash. A bet on South Africa at +1.5 wins if South Africa wins outright, draws, or loses by exactly one goal.
Sports Betting Spread Strategies
Newcomers to spread betting should start simple: look for games with clear underdogs that may be undervalued, or be wary of popular favorites the public tends to overvalue.
Researching a spread goes beyond looking at a team's win-loss record. Using a sports betting app like HOF, bettors can compare team performance, matchup data, trends, and other statistics before deciding which side of a spread they prefer.
Whatever strategy you use, bet within a budget you've set in advance, avoid chasing losses, and judge each spread on its own merits rather than betting emotionally on a favorite team.
Sports Betting Spread FAQs
How do spreads work in sports betting?
A point spread gives the favorite a negative handicap and the underdog a positive handicap. The favorite must win by more than the spread to cover, while the underdog can win outright or lose by less than the spread.
What does -3.5 mean in sports betting?
A -3.5 favorite must win by at least four points for a spread bet on that team to win.
What does +3.5 mean in sports betting?
A +3.5 underdog can win outright or lose by three points or fewer for the spread bet to win.
What does covering the spread mean?
Covering the spread means a team's final result is good enough after the point spread is applied for that wager to win.
What happens if a point spread lands exactly on the number?
If the spread uses a whole number and the adjusted result is tied, the bet is generally graded as a push and the stake is returned. Half-point spreads such as -3.5 prevent pushes.
How are spreads calculated in sports betting?
Sportsbooks use team ratings, injuries, player availability, matchup data, home-field advantage and other market information to establish and adjust point spreads.
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