UFC Fight Night: Alex Perez vs. Sumudaerji (Flyweight, Main Card)

Platform comparison

Active sub-markets

Market context

Alex Perez and Sumudaerji are scheduled to meet at flyweight on the main card of UFC Fight Night: Song vs. Figueiredo on 30 May 2026. The conditional token pair on Polymarket currently trades at parity—50-50 split between YES (Perez victory) and NO (Sumudaerji victory)—reflecting genuine uncertainty about the matchup's outcome. Settlement hinges on official UFC declaration; any draw, no contest, or cancellation beyond 13 June triggers a 50-50 resolution, which would return USDC to both sides of the contract on Polygon at equal value.

Perez, a former flyweight title challenger with significant UFC tenure, brings established credentials to the bout. Sumudaerji, by contrast, represents the rising challenger archetype—younger, hungry, and operating with less historical data for traders to calibrate expectations. The even split at 50% reflects this asymmetry: Perez's experience and ranking position offset Sumudaerji's potential upside and unpredictability. Recent UFC scheduling patterns show main-card fights rarely cancel outright, though injury withdrawals in the final fortnight do occur at measurable frequency.

Traders should monitor official UFC announcements regarding fighter health and weight-cut progress through late May. Weigh-ins occur 24 hours before the event; any last-minute injury or failed weight cut would trigger cancellation and the 50-50 resolution. Betting markets and social media chatter from MMA media outlets typically intensify 7–10 days before the event, often shifting conditional token prices as new information surfaces. The settlement window closes 31 May at 03:59:59 UTC, allowing roughly 24 hours post-fight for official UFC confirmation before resolution locks.

Methodology

We track UFC Fight Night: Alex Perez vs. Sumudaerji (Flyweight, Main Card) 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

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Legit?, 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, Polymarket Legit? triggers a quick verification flow that finishes in minutes.