Free NBA Basketball Picks & Public Consensus for September, - Compare what the computer and public think about betting on the NBA. Free Parlay Calculator provided by gangrennes.info, along with more information A parlay is a single bet that links together two or more individual wagers for a high payout. If any of the selections lose, your wager loses, regardless of the outcome or cancellation of the other games. NBA Sports Picks Horse Racing. With parlays, bettors can bet that two or more point spreads, OVER/UNDERs, or moneylines will win, earning a higher payout if all of their picks win than they.