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

Platform comparison

Active sub-markets

Market context

Song Yadong, the Chinese bantamweight contender ranked in the UFC's top 15, faces Deiveson Figueiredo on 30 May 2026 in what represents a significant step up in competition for the former. Figueiredo, a former two-time flyweight champion with multiple title defences, has moved up to bantamweight and brings considerably more championship experience and striking precision to the matchup. The bout carries implications for both fighters' positioning within a crowded 135-pound division, though Song's recent form and home-region advantage in what is likely an Asian venue provide countervailing factors.

The 0% implied probability across prediction markets sits in stark contrast to typical sportsbook treatment of competitive matchups between ranked fighters. Historical precedent suggests markets often misprice fights where one competitor has moved weight classes or where regional popularity skews retail betting; Figueiredo's previous dominance at flyweight and Song's relative youth and upside trajectory typically command wider probability ranges in conventional odds. Traders should monitor whether major sportsbooks price this fight at opening, as their lines often reveal sharper consensus than early prediction-market extremes.

Key developments to track include official weigh-in confirmations and any last-minute injury withdrawals, which would trigger the 50-50 resolution clause if the bout is postponed beyond 13 June 2026. Figueiredo's recent fight results and training camp reports will provide concrete evidence of his bantamweight adjustment, whilst Song's performance metrics in his last two outings remain the primary data point for assessing whether the current market probability reflects genuine analytical consensus or algorithmic undervaluation.

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 Best Prediction Markets 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

Is this market available outside the US?

Best Prediction Markets UK 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 Best Prediction Markets UK?

Zero. Best Prediction Markets UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.