At UFC Fight Night in Seattle on Saturday, announcer Bruce Buffer mistakenly named Marcin Tybura the winner of the heavyweight bout.

A trader on Polymarket who used the handle LlamaEnjoyer placed $676 on Tyrell Fortune during the error and later collected $67,600.

Sequence of events

The mistake occurred immediately after the judges' decision, prompting market prices for Fortune to drop to one cent on the prediction platform.

Seconds before Buffer acknowledged the error, LlamaEnjoyer invested the entire $676 stake, executing the trade within roughly 50 seconds from the initial announcement to the correction.

Outcome

When the call was corrected and Fortune declared the official winner, the position paid out approximately $67,600.

The entire sequence unfolded in about 50 seconds, illustrating how quickly live prediction markets adjust to real-time broadcast information.

Fighter response and context

Fortune had already exited the octagon and was heading to the tunnel before officials reversed the announcement.

He returned briefly so organizers could make the correct result official; the bout marked Fortune's UFC debut.

Market implications

The episode illustrates how event-driven markets can create short windows of price dislocation that attentive traders may exploit.

It also demonstrates the sensitivity of live prediction platforms to real-time broadcast signals and the speed at which odds can reprice during on-air corrections.