UFC Fight Night: Song Yadong vs. Deiveson Figueiredo (Bantamweight, Main Card)

Platform comparison

Active sub-markets

Market context

Song Yadong and Deiveson Figueiredo are scheduled to meet at bantamweight on 30 May 2026 in a UFC Fight Night main event. The 0% implied probability reflects either minimal trading volume or a technical artefact; neither fighter has withdrawn and the bout remains officially scheduled. Song, the Chinese striker, holds recent wins over established competition and fights in his preferred striking range. Figueiredo, a former two-time flyweight champion, moved up to bantamweight and carries significant pedigree despite operating outside his traditional weight class.

Historical context suggests that when former champions shift divisions, market pricing often undervalues their technical foundation whilst overweighting the physical adjustment burden. Figueiredo's championship experience at 125 pounds—including title defences against elite opposition—provides a baseline of proven performance under pressure. Song's record includes losses to top-ranked bantamweights, whereas Figueiredo's losses came primarily at flyweight against specialists in that division. Comparable upward-movement cases in the UFC show mixed outcomes, but the gap between flyweight and bantamweight is narrower than most divisional jumps, reducing the typical adjustment penalty.

The settlement window extends to 31 May 2026, with a 13 June cancellation threshold. Traders should monitor official UFC weigh-in confirmations and any late injury announcements in the final week before the event. Figueiredo's training camp updates and Song's recent fight footage will provide concrete data on conditioning and tactical adjustments. The current zero reading warrants scrutiny; if either fighter has announced withdrawal, that information should be verified against official UFC statements before assuming the market reflects genuine competitive assessment.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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

Is this market available outside the US?

Who Will Win 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.

What does it cost to trade on Who Will Win?

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

Do I need to KYC for this market?

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