This market will resolve according to the team that remains without a single loss the longest during the 2025–26 NFL regular season.

Ties do not count as losses.

If multiple teams suffer their first loss in games scheduled at the same time on the same day, while being the last remaining undefeated teams, the market will resolve according to the order in which the games actually end.

If the games end at the exact same time or if multiple teams remain undefeated through the end of the regular season, the market will resolve to the team whose listed name comes first alphabetically.

The resolution source for this market will be the National Football League (NFL.com).