This market will resolve according to the next UFC fighter that Sean O'Malley is officially announced to face in a UFC bout. Resolution for this market will be based on the next UFC fighter that UFC officially announced to fight, regardless of whether the fight ends up taking place. Only official announcements from the UFC, which include a scheduled date for the bout, will count. Announcements with no date or which do not confirm that the fight is official, speculation, or other unofficial announcements will not count. If Sean O'Malley is officially announced to fight any non-listed fighter or no qualifying announcement is made by October 27, 2027, 11:59 PM ET, this market will resolve to "Other". The primary resolution source for this market will be official information from the UFC.