About the VSiN Betting Splits page : The Public Money and Betting Percentages data on this page is based on the action taken by Circa Sports. The page is updated every 5 minutes with any changes to these numbers. An arrow appears when the percentage has increased or decreased in the most recent update. You can tab from league to league and scroll down to see all the games -- not just for today's matchups, but also for any markets that have been posted for future events. To see the line history, click on the visiting team's logo.