they are listed. It is essential that sports bettors understand each aspect of the odds listing in order to start to make informed wagers on professional basketball games. How to read NBA Odds — Lines, Spread and Totals. If you check out the. But thinking like an oddsmaker and setting your own lines before the opening odds are released can help you greatly and allow you to find the most value on the betting board. NFL ; NCAAF; MLB . Sports ; Odds ; Picks; Betting .. It is important to keep in mind that the point spread is not the oddsmaker's predicted margin. This number is determined by the bookmakers and the bettor places a wager on the over or under (O/U). The NBA is the highest scoring sport of all the major.