Early NFL lines often shift a full point or more — like a favorite moving from...

https://casinocrowd.com/is-it-dumb-to-bet-a-line-after-it-moves-from-3-to-4-5/

Early NFL lines often shift a full point or more — like a favorite moving from -3 to -4.5 — because initial numbers come with shaky info. Jumping in too soon means risking worse odds