Rival online betting sites and online betting apps offer different odds on the same game, so seeking out the best price on every wager you place can help earn sports bettors a larger potential payout. It is important to shop around for the best NFL odds and the most appealing NFL betting lines. The top NFL betting sites released NFL Week 1 odds almost immediately after the full 2023 NFL regular season schedule was made official, which took place on Thursday, May 11, 2023, at 8 p.m. NFL odds are fluctuating as the season approaches and RotoWire makes it easy to find the latest NFL betting lines and odd changes. NFL Odds - Week 18 Opening Betting Lines (January 2024)