Part of: UFC Fight Night: Arnold Allen vs. Melquizael Costa (Featherweight, Main Card)

O/U 4.5 Rounds

Each market will resolve to “Over” if the fight between Arnold Allen and Melquizael Costa at UFC Fight Night: Allen vs. Costa, scheduled for May 16, 2026, lasts beyond the listed round threshold. Each market will resolve to “Under” if the fight between Arnold Allen and Melquizael Costa at UFC Fight Night: Allen vs. Costa, scheduled for May 16, 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 30, 2026, or canceled, all options will resolve “50-50.” The resolution source for this market will be official information from the UFC.

1 smart money signal detected, totaling $6,160.

Categories: Sports, UFC, Games

Notable Trades

Elite 89% fight bettor

Elite profitable wallet with an 89% long-term win rate bought $6.2k of Over 4.5 rounds in a UFC market, backed by a massive cross-market track record.

This bettor wins 89% of resolved trades and is up $2.4M lifetime.
They have traded across 663 events with the same 89% win rate, suggesting a repeatable edge.
The $6.2k buy was large relative to recent market activity and entered at 54¢.

$6,160 on Over | Wallet win rate: 91%