Generally speaking, a tie in an NFL game results in a voided moneyline bet. The only real exception would be a three-way market, where a tie is an explicit outcome that's available to bet in the market. In this case, a tie would result in a loss for both traditional moneyline sides.

2-way moneyline\n\n In this type of moneyline bet, you are betting on the winning team. In case of a tie/draw, the bet results in a push and the wager is returned to you. When using American odds, the positive moneyline is the underdog and the negative moneyline is the favorite.