NBA Odds - Live NBA Betting Lines. September 22, - Compare and find the best NBA spreads and lines anywhere on the internet!. Log in and bet online any time of day on the top NBA odds on all NBA basketball matches. Bwin, the best online betting provider, has the largest assortment of. Since online sports betting has been introduced, NBA betting has exploded and is now second in betting popularity to the NFL. With 82 regular season games.