O/U 4.5 Rounds

Each market will resolve to “Over” if the fight between Sean Strickland and Khamzat Chimaev at UFC 328: Chimaev vs. Strickland, scheduled for May 9, 2026, lasts beyond the listed round threshold. Each market will resolve to “Under” if the fight between Sean Strickland and Khamzat Chimaev at UFC 328: Chimaev vs. Strickland, scheduled for May 9, 2026, does not last beyond the listed round threshold. For example: “Over 4.5 Rounds” will resolve “Yes” if the fight continues past the 2:30 mark of Round 5. “Under 4.5 Rounds” will resolve “Yes” if the fight ends before the 2:30 mark of Round 5. If the fight ends exactly at the threshold (e.g., 2:30 of Round 5 for a 4.5 line), it will resolve “50-50.” If the bout is not scored, postponed beyond May 23, 2026, or canceled, all options will resolve “50-50.” The resolution source for this market will be official information from the UFC.