UFC Fight Night: Arnold Allen vs. Melquizael Costa (Featherweight, Main Card)
Resolved: Arnold Allen ✓ — May 17, 2026
Resolution source: Polymarket + Official sources
Final odds at resolution
This market will resolve to "Arnold Allen" if Arnold Allen is officially declared the winner of the fight against Melquizael Costa at UFC Fight Night: Allen vs. Costa, scheduled for May 16, 2026. It will resolve to "Melquizael Costa" if Melquizael Costa 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 May 30, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.
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About resolved prediction markets
This market ran on ZanoX, where forecasters take positions on real-world outcomes at crowd-set prices — the closing probability reflects what the market expected before the result was known. Resolved markets are kept as a permanent record of what prediction markets forecast. Want to forecast what happens next? Explore Technology prediction markets or all live markets — non-custodial, no account, no KYC.