Early NFL lines often start shaky—like a -3 opener sliding to -4.5 by...

https://gregorysbestchat.bearsfanteamshop.com/how-do-matchups-change-what-a-week-1-result-means

Early NFL lines often start shaky—like a -3 opener sliding to -4.5 by kickoff—because books adjust to early bets and info flow. Rushing in means paying too much or missing value