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

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Active sub-markets

Market context

Song Yadong, the Chinese bantamweight contender ranked in the UFC's top fifteen, will face Deiveson Figueiredo on 30 May 2026 in a main-card bout. Figueiredo, a former two-time flyweight champion, has moved up to bantamweight following a series of competitive losses at 125 pounds. The fight represents a significant step up in competition for Song, who has won four of his last five bouts, whilst Figueiredo carries substantial championship pedigree despite recent setbacks. Settlement occurs within 24 hours of the official UFC decision, with the window closing 31 May 2026.

Song's current 0% implied probability reflects the market's assessment of Figueiredo's technical advantages and experience at championship level. Comparable matchups involving former champions moving up in weight—such as Dominick Cruz versus Demetrious Johnson—have historically favoured the established name, though Song's recent form and size advantage at bantamweight complicate that narrative. Figueiredo's striking precision and footwork remain elite, but his durability concerns at flyweight may resurface against a larger, stronger opponent.

Traders should monitor official UFC injury reports and weight-cut confirmations in the fortnight before the event. Any withdrawal or postponement beyond 13 June triggers a 50-50 resolution. Deposit friction via Klarna or SEPA transfers may affect liquidity as the fight date approaches; deeper book depth typically emerges once payment rails settle and traders can access funds without withdrawal delays. Recent UFC scheduling changes have occasionally shifted fight cards, so confirmation of venue and date remains a dependency worth tracking through official UFC channels.

Methodology

This page reviews UFC Fight Night: Song Yadong vs. Deiveson Figueiredo (Bantamweight, Main Card) 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 Polymarket Klarna UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

Where can I trade this market with the lowest fees?

On Polymarket Klarna UK, 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.

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.