Early NFL lines can be misleading—like a spread opening at -3 and drifting to...

https://wiki-view.win/index.php/What_Is_Closing_Line_Value_(CLV)_and_Why_Do_Bettors_Care%3F

Early NFL lines can be misleading—like a spread opening at -3 and drifting to -4.5 by kickoff. It’s a classic sign that sharp money has moved the market. Being patient and waiting for these shifts can save you from bad bets early on