By Cork Gaines, Business Insider

With 10 days to go before the Super Bowl, there is no favorite to win the big game. But it didn’t start out that way, and that could spell disaster for Las Vegas sportsbooks.

Shortly after the New England Patriots completed their destruction of the Indianapolis Colts in the AFC Championship game, the 2015 Super Bowl opened with the Seattle Seahawks as 2.5- or 3-point favorites, depending on where you looked.

However, in the first 24 hours of betting, the line fell all the way to a pick ’em (no favorite), a surprisingly big move for a point spread and a rare miss by Las Vegas.

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