Polymarket market analysis
O/U 0.5 Rounds
Summary
Each market will resolve to “Over” if the fight between Alice Ardelean and Polyana Viana 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 Alice Ardelean and Polyana Viana at UFC Fight Night: Allen vs. Costa, scheduled for May 16, 2026, does not last beyond the listed round threshold. For example: “Over 0.5 Rounds” will resolve “Yes” if the fight continues past the 2:30 mark of Round 1. “Under 0.5 Rounds” will resolve “Yes” if the fight ends before the 2:30 mark of Round 1. If the fight ends exactly at the threshold (e.g., 2:30 of Round 1 for a 0.5 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.
Spread analysis
No intra-market edge right now (sum of best asks is at or above $1.00).
Polymarket taker fees vary by category between 0% and 1.8%. Always confirm before sizing.
Outcomes
| Outcome | Best ask |
|---|---|
| Over | 50.0% |
| Under | 50.0% |
Price history
Last 7 days
Frequently asked questions
- What is this market about?
- O/U 0.5 Rounds The market resolves on May 17, 2026 based on the rules described on Polymarket.
- How does intra-market arbitrage work here?
- If the best-ask prices for every outcome sum to less than $1.00, you can buy each outcome and be guaranteed a $1.00 payout regardless of which one resolves YES.
- What are the fees?
- Polymarket taker fees on this category are typically between 0% and 1.8%. Confirm the live fee on Polymarket before placing orders.