Early NFL odds often start out shaky—lines can swing from -3 to -4.5 or...

https://www.cast-bookmarks.win/betting-early-on-nfl-games-can-be-tricky-lines-often-move-a-full-half-point-or

Early NFL odds often start out shaky—lines can swing from -3 to -4.5 or moneylines from +155 to +135 as info firms up. Rushing to bet early can cost you value