March Madness: 7 first round upsets?

This market will resolve based on the number of “upsets” that occur in the first round of the 2025 March Madness Tournament. An “upset” is defined as a team with a lower seed that defeats a team with a higher seed. First Four play-in games will not count for the resolution of this market. If for any reason the first round is not completed by May 31, 2025, 11:59 PM ET, this market will resolve to "<5". The resolution source for this market will be information from the NCAA.