UFC Fight Night: Diego Ferreira vs. Billy Quarantillo (Lightweight, Main Card)

Platform comparison

Market context

Polymarket has this UFC lightweight bout priced at **100% YES** for Diego Ferreira, so the contract is trading as if Ferreira is the overwhelmingly likely official winner on UFC’s result sheet. On Polymarket, that price is backed by USDC on Polygon and resolves through conditional tokens, so the only thing that matters for settlement is the UFC’s official ruling on the fight, not judge chatter or pre-fight narrative.

The current read fits the broader market pattern for a bout where the favourite has a cleaner statistical profile but not an unchallenged one. Ferreira is listed at 19-7, Quarantillo at 18-7, and several comparison tools show Ferreira carrying the better strike defence and a more efficient submission game, while Quarantillo tends to throw more volume and carries the stronger pace and takedown pressure. That mix usually leaves prediction markets sensitive to late-line movement only if there is a clear injury, weight, or card-status change, rather than ordinary stylistic debate.[2][3][17]

A trader should watch the official UFC bout sheet, the weigh-in report, and any last-minute card reshuffle, because this market does not need the fight to be “decisive” in a sporting sense so much as *officially scored* for one fighter before the settlement deadline. If the bout is cancelled, postponed beyond the market’s cut-off, or ends as a no contest or draw, the contract resolves 50-50 under the rules. US-style previews also had Ferreira favoured in pre-fight pricing, with one listing him around -177 to -155, which helps explain why the on-chain market can sit close to certainty when the listed favourite remains intact.[4][8][17]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track UFC Fight Night: Diego Ferreira vs. Billy Quarantillo (Lightweight, Main Card) across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

UK Frequently Asked Questions

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.