UFC Fight Night: Arnold Allen vs. Melquizael Costa (Featherweight, Main Card)
11 markets in this event family · $1.6M 24h volume · $1.1M liquidity. Share the URL anywhere — the rich preview card shows the cluster's biggest mover with one glance.
$1.6M
11 markets · liq $1.1M
36.1pp
Mean |24h move|
11
Markets ≥5pp 24h
$0.00
0 trades ≥$5k
11
Active UMA dispute / pending
11
Settlement positioning risk
- UMA proposedWill the fight be won by KO or TKO?
- UMA proposedUFC Fight Night: Arnold Allen vs. Melquizael Costa (Featherweight, Main Card)
- UMA proposedO/U 4.5 Rounds
- UMA proposedO/U 3.5 Rounds
- UMA proposedFight to Go the Distance?
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All markets in this cluster
11Will the fight be won by KO or TKO?
Vol $257.21 · Liq $10.4K
UFC Fight Night: Arnold Allen vs. Melquizael Costa (Featherweight, Main Card)
Vol $1.5M · Liq $794.0K
O/U 4.5 Rounds
Vol $9.3K · Liq $38.3K
O/U 3.5 Rounds
Vol $180.00 · Liq $30.1K
Fight to Go the Distance?
Vol $3.9K · Liq $19.3K
Will Arnold Allen win by KO or TKO?
Vol $429.86 · Liq $19.8K
Will Melquizael Costa win by KO or TKO?
Vol $4.3K · Liq $41.8K
Will the fight be won by submission?
Vol $245.86 · Liq $13.6K
O/U 1.5 Rounds
Vol $282.75 · Liq $52.3K
O/U 2.5 Rounds
Vol $56.26 · Liq $52.2K
O/U 0.5 Rounds
Vol $83.93 · Liq $29.7K
| Market | Prob | Δ24h | Vol | Liq |
|---|---|---|---|---|
| Will the fight be won by KO or TKO? | 0¢ | -47.9 | $257.21 | $10.4K |
| UFC Fight Night: Arnold Allen vs. Melquizael Costa (Featherweight, Main Card) | 100¢ | +46.5 | $1.5M | $794.0K |
| O/U 4.5 Rounds | 100¢ | +46.5 | $9.3K | $38.3K |
| O/U 3.5 Rounds | 100¢ | +43.0 | $180.00 | $30.1K |
| Fight to Go the Distance? | 100¢ | +42.4 | $3.9K | $19.3K |
| Will Arnold Allen win by KO or TKO? | 0¢ | -41.4 | $429.86 | $19.8K |
| Will Melquizael Costa win by KO or TKO? | 0¢ | -38.0 | $4.3K | $41.8K |
| Will the fight be won by submission? | 0¢ | -31.9 | $245.86 | $13.6K |
| O/U 1.5 Rounds | 100¢ | +28.9 | $282.75 | $52.3K |
| O/U 2.5 Rounds | 100¢ | +22.4 | $56.26 | $52.2K |
| O/U 0.5 Rounds | 100¢ | +8.5 | $83.93 | $29.7K |
About this event
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.