NCAA Basketball: Betting Against the Public
College Basketball:
Betting Against the Public
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by Dan Fabrizio Senior Analyst
SportsInsights.com Article — Betting Against the Public and College Hoops:
Conference Playoffs and March Madness
March is here and that means it is time for March Madness! In this article, we highlight some of the sports marketplace statistics that we study—and come up with a simple-to-use system that has been profitable over the past few years of March Madness.
Note that the system we highlight below may also be used during conference playoffs (as the system is based on all games during March and April). There is increased public attention as we near the NCAA Tournament—so that Betting Against the Public works particularly well at this time of the college basketball season.
Betting Against the Public and Public Games
Betting Against the Public has proven to work across all of the major sports. Its consistency is remarkable; we have seen that Betting Against the Public and SportsInsights’ Square Plays have consistently won in the 54 percent-57 percent range, on average.
We have also seen that this approach of Betting Against the Public works particularly well in “big games” or “games of national focus.” The rationale is that with more of the public watching a game, more public biases occur in the sports betting marketplace (such as betting on “favorites” and “overs”). This leads to an increase in the edge for “sharp bettors.”
Number of Bets
SportsInsights collects and displays numerous sports marketplace indicators, with Betting Percentages being its most popular. Betting Percentages are very useful at helping to uncover value in the sports marketplace. We also feel, however, that other indicators – such as theNumber of Bets are important as well.
Using a simple system that typically takes College Hoops underdogs, we overlaid a filter that played only the top 1/3 of games in terms of number of bets.
The winning percentage increased by more than 2 percent!
This makes sense, because games with public interest will lead to overpriced favorites. The moral of the story: if you are Betting Against the Public, focus on the games where there is a lot of Public interest.
March Madness: Putting things Together
The great thing about March Madness is that many of these factors come together to help make SportsInsights’ tools even more effective for our Members. We have the whole country watching the tournament due to all of the office pools. The increased attention leads to an increased number of bets — and an increase in public biases. The team at SportsInsights decided to see how our basic sports marketplace indicators performed during this time of “national focus” on “March Madness.”
Using our College Basketball database, that goes back over the past four seasons (and over 12,000 games)—we looked at a simple system.
During March and April, betting on a team that has a:
- Betting Percentage less than 40 percent
- and is more than a 10-point Underdog
- Has yielded a winning percentage of 60 percent over the past four seasons (Just under +30 units over the past four seasons or +7 units per season each March/April).
For example:
- Say Duke is a 10.5 point favorite over team “Big Underdog.”
- Also, “Joe Public” is all over Duke, with Duke collecting 75 percent of the bets and “Big Underdog” collecting 25 percent.
- SportsInsights’ March Madness system would “Bet Against the Public” and select “Big Underdog” (more than 10-point dog with less than 40 percent of the bets) to beat “the spread.”
- Over the past four seasons, using this kind of approach during March and April (of selecting undervalued and unwanted underdogs) would have won 60 percent of the games against the spread.
Smart Money Techniques
An even stronger use of “betting percentages” is to combine it with “line movement.” SportsInsights.com’s members will recognize this as Smart Money Techniques. We won’t go over Smart Money methods since SportsInsights has several good articles (including this one on College Hoops) on that topic. Suffice it to say that using line moves in combination with betting percentages are a very powerful method of finding out where the Smart Money is going.
Summary
College basketball offers sports investors many investment opportunities—and at the same time, many challenges. We have reviewed some tools that sports investors can use for college hoops. This includes SportsInsights.com’s bread-and-butter sports tools such as Betting Percentages and Line Moves. In addition, we highlighted the Number of Bets—which is often overlooked as an indicator. Now, let the Madness begin—and let the “sports investing profits” roll in! Good luck!
Disclaimer
We do not guarantee that the trends and biases we’ve found will continue to exist. It is impossible to predict the future. Any serious academic research in the field of “market efficiencies” recognizes that inefficiencies may disappear over time.
Once inefficiencies are discovered, it is only a matter of time before the market corrects itself. We do not guarantee our data is error-free. However, we’ve tried our best to make sure every score and percentage is correct.
From bleacherreport.com
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