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

Platform comparison

Market context

Diego Ferreira’s lightweight main-card fight with Billy Quarantillo has been priced much more as a Ferreira hold than a coin flip, with average sportsbook lines around **-170** for Ferreira and **+147 to +151** for Quarantillo, implying roughly a low-60s win chance for Ferreira before vig. That sits well below the market’s current **100% YES** price, so the prediction market is materially more certain than both the book consensus and the wider analyst framing. [4][9][15]

Comparable UFC markets for paired veterans with contrasting styles usually settle back towards the bookmaker cluster unless there is a late injury, weigh-in issue, or bout-order change. Ferreira’s profile leans on grappling and submission work, while Quarantillo has the higher striking output and more KO-heavy win path, which is why most preview models have treated this as a competitive but Ferreira-favoured matchup rather than a near-lock. Across the cited stat sets, Ferreira is listed with stronger submission production and Quarantillo with greater striking volume, but both have enough finishing ability to make method and round volatility relevant. [2][3][8][13]

The main catalysts are procedural rather than stylistic: official UFC weigh-ins, any last-minute medical scratches, and whether the bout remains on the schedule through the settlement window. The market resolves only on official UFC information, so a cancellation, no-contest ruling, or postponement beyond the cutoff would flip it to **50-50** under the contract terms. Because settlement ends the morning after the event window, traders are mostly watching for late fight-week news rather than post-event interpretation. [4][10][11]

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

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?

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.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.