What Does ‘Sharp Money’ Mean in Sports Betting?

In sports betting, “sharp money” refers to wagers placed by “sharps”—highly skilled, experienced, and successful professional bettors.
These are not casual fans but rather methodical gamblers who use advanced statistical models, deep research, and sophisticated strategies to find an edge over the sportsbooks. Sportsbooks respect and fear sharp money because it comes from a small group of consistent long-term winners.
Key Characteristics of Sharp Money:
- It Moves the Line: Sharp money is the primary driver of significant line movements. When a sportsbook receives a large bet from a respected sharp, they will often adjust the odds (e.g., move a point spread from -3 to -4) to protect themselves and get on the “right side” of the bet.
- It’s Disciplined: Sharps bet with their head, not their heart. They don’t bet on their favorite teams or chase losses. They bet on numbers and value, often wagering large amounts when their models show a profitable opportunity.
- It’s Often Contrarian: Sharps often bet against the general public, a strategy known as “fading the public.” They find value in the unpopular side of a game that the public is ignoring.
Sharp Money vs. Public Money
The easiest way to understand sharp money is to contrast it with “public money” (also known as “square” money).
| Feature | Sharp Money (From “Sharps”) | Public Money (From the “Public” or “Squares”) |
| Who They Are | Professional, disciplined, analytical bettors (approx. 1-5% of bettors). | Casual fans, recreational bettors, and the general public. |
| Betting Style | Based on mathematical models, data, and finding value in the odds. | Based on emotion, hunches, media narratives, and favorite teams. |
| Common Bets | Often on underdogs, “unders” (total points), and teams the public is fading. | Often on favorites, “overs” (total points), and popular, big-name teams. |
| Effect on Line | Causes the line to move. Sportsbooks adjust their odds to follow the sharp money. | Does not move the line. Sportsbooks are happy to take public money, as the public loses in the long run. |
How to Spot Potential Sharp Money
Bettors often look for signs of sharp money to help inform their own wagers. The most common indicator is called Reverse Line Movement:
- Example: The Green Bay Packers are playing the Chicago Bears, and 80% of all bets (“public money”) are on the Packers.
- What you’d expect: The line should move to make it harder for the Packers to cover (e.g., move from -4 to -5).
- What happens instead: The line moves in the opposite direction (e.g., from -4 to -3.5).
- Why? This signals that the 20% of bets on the Bears must be from “sharps” placing very large wagers. The sportsbook respects that “sharp money” more than the high volume of small public bets and moves the line in the Bears’ favor.