Early NFL lines can be misleading—think about a game opening at -3 and closing...

https://blogfreely.net/teresa-long85/how-do-i-stop-betting-props-and-live-bets-out-of-boredom

Early NFL lines can be misleading—think about a game opening at -3 and closing at -4.5. That half-point swing might not seem huge, but it shows how early numbers often undervalue or overvalue teams