UFC Fight Night: Daniel Barez vs. Luis Gurule (Flyweight, Prelims)

Platform comparison

Active sub-markets

Market context

Daniel Barez is scheduled to face Luis Gurule at UFC Fight Night: Allen vs. Costa on the flyweight prelims, and Polymarket is currently pricing the contract at 0% YES, implying the market does not see a live path to a Barez win being reflected yet. On Polymarket, the outcome is settled in USDC on Polygon via conditional tokens, so the price is simply the crowd’s view of which official UFC result will be reported before the settlement window closes.

A 0% quote is usually a sign of either missing liquidity or a market that has been ignored rather than a firm read on the fight itself. For a prelim flyweight bout, traders generally anchor on official bout status, weigh-in completion, and whether either fighter has any late replacement or medical withdrawal risk, because those are the main ways a market can flip from a near-zero price. The UFC Stats bout page already lists the matchup as an official flyweight bout, which is the right baseline for checking whether the contest remains on the card.

The main catalysts are routine but important: final bout order, any last-minute scrapes at the weigh-ins, and whether the UFC confirms the fight on fight week or revises the card. The settlement source is official UFC information, so a cancellation, no contest, or postponement beyond 30 May would not resolve to either fighter but to 50-50 under the market rules. Traders should also watch for updated card listings from UFC and event preview outlets such as The Stats Zone, since changes there tend to precede the official result release that drives resolution.

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Methodology

We track UFC Fight Night: Daniel Barez vs. Luis Gurule (Flyweight, Prelims) on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.