UFC Fight Night: Tanner Boser vs. Jhonata Diniz (Heavyweight, Prelims)

Kalshi — primary rule

If Tanner Boser wins the Tanner Boser vs Jhonata Diniz professional MMA fight originally scheduled for Oct 17, 2026, then the market resolves to Yes.

Polymarket — resolution criteria

This market will resolve to "Tanner Boser" if Tanner Boser is officially declared the winner of the fight against Jhonata Diniz at UFC Fight Night: Buckley vs. Malott, scheduled for October 17, 2026. It will resolve to "Jhonata Diniz" if Jhonata Diniz is officially declared the winner. If the fight is declared a draw or technical draw, ruled a No Contest, not scored, canceled, or postponed beyond October 31, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.