UFC Fight Night: Javier Reyes vs. Kaan Ofli (Featherweight, Prelims)

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Market context

Javier Reyes and Kaan Ofli are set to clash in a featherweight preliminary bout at UFC Fight Night: Fiziev vs Torres in Baku tonight, with the market currently pricing Reyes as the definitive winner despite a 0% YES probability for his name being declared the official result. This extreme pricing mirrors historical cases where a fighter’s name is listed as the winner only after a clear knockout or submission, as draws or no-contests trigger a 50-50 resolution rather than a named victor; such outcomes have occurred in roughly 8% of UFC prelims over the past three years, often when fighters are evenly matched or when injuries intervene mid-fight[4].

Traders should monitor the official UFC announcement for the fight result, scheduled within hours of the bout’s conclusion, and watch for any pre-fight medical suspensions or last-minute coaching changes that could alter Ofli’s grappling-heavy approach, which some analysts believe could nullify Reyes’s striking power[2]. Recent beat reporting from @atsteveduncanmma confirms the fight is locked in for tonight with no reported absences, but any delay beyond the July 11 deadline would reset the market to 50-50, making the settlement window’s end date a critical dependency[7]. The odds currently favour Reyes at -220, suggesting the crowd expects a decisive finish rather than a draw, which aligns with his 23-5 record and reputation as an opportunistic finisher[3].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews UFC Fight Night: Javier Reyes vs. Kaan Ofli (Featherweight, Prelims) across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Sport Prediction — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Sport Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction triggers a quick verification flow that finishes in minutes.