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

Platform comparison

Active sub-markets

Market context

Javier Reyes and Kaan Ofli are set to clash in a featherweight prelims bout at UFC Fight Night: Fiziev vs Torres, live from Baku, Azerbaijan on 27 June 2026. The market resolves to Reyes if he wins, to Ofli if he wins, and to 50-50 in draws, no contests, or postponements beyond 11 July 2026. Current crowd-implied probability for Reyes winning sits at 0%, reflecting a stark market consensus that he is unlikely to prevail.

Historical precedents in UFC prelims show that 0% implied probabilities are rare but not unheard of when one fighter has a decisive grappling advantage. In similar cases, such as when a submission specialist faces a striker with poor ground defence, early market odds often collapse before the fight begins. Ofli’s arm triangle choke submission of Reyes in a prior Baku event [1] underscores this pattern, suggesting the 0% figure is grounded in tangible fight history rather than mere speculation.

Traders should monitor official UFC fight cards and post-fight medical reports, as any change in fighter status could shift resolution conditions. Recent UFC announcements confirm the bout is scheduled for the main prelims block [2], with no indication of postponement. For platform comparison, Kalshi resolves this market using verified Wall Street data [3], while Polymarket relies on community consensus; Kalshi’s KYC requirements and fee structure differ notably from Polymarket’s open-access model, affecting liquidity and implied probability accuracy on this specific fight.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares UFC Fight Night: Javier Reyes vs. Kaan Ofli (Featherweight, Prelims) specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). PolyGram routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, 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.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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 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.