Early NFL lines often shift a full point or more—like a spread opening at -3...

https://johnnysinsightfulword.evergrovio.com/posts/should-i-bet-a-team-because-i-picked-them-to-make-the-playoffs

Early NFL lines often shift a full point or more—like a spread opening at -3 and closing at -4.5—because sharp money usually waits. Jumping in too soon means you’re paying for info you don’t have yet