Will the fight be won by submission?

This market will resolve to "Yes" if the fight between Casey O'Neill and Gabriella Fernandes at UFC Fight Night: Adesanya vs. Pyfer, scheduled for March 28, 2026, ends by submission, including tapout, verbal submission, or technical submission (referee stoppage due to a submission hold). Otherwise, it will resolve to "No." If the fight ends in a draw or by disqualification (either fighter), it will resolve "No." If the bout is ruled a No Contest, not scored, canceled, or postponed beyond April 11, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.