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

Platform comparison

Market context

Diego Ferreira versus Billy Quarantillo is priced by the market as a **Ferreira favourite** rather than a coin flip: the crowd-implied probability is **100% YES**, while pre-fight moneyline snapshots had Ferreira around **-170 to -185** and Quarantillo around **+145 to +154**. That leaves little room for a contrarian case unless the market is misreading a late change in availability or conditions, because the consensus already assumes Ferreira is the more likely winner. [5][12][13]

On paper, the fight profile supports why Ferreira was installed as the shorter price: he has the more established finishing history, with a balanced win mix and a notable submission threat, while Quarantillo tends to win more often by strikes and pace. Stat comparisons also point in both directions, which is why the underdog angle is not empty: Quarantillo has the edge in significant strikes landed per minute and takedown volume, whereas Ferreira carries the better submission output and slightly stronger defensive numbers in some models. That is the usual shape of a live underdog argument in MMA — the favourite has the cleaner all-round reputation, but the underdog can win minutes if the tempo stays high. [1][2][8]

The main catalysts are straightforward: official UFC bout confirmation, walkout order, and any late injury, weight-cut, or card reshuffle news before the event. UFC and listing pages currently place the bout on the August 8, 2026 Fight Night card, and the market only settles from an official UFC result, so traders are exposed to the usual risks of cancellations, no-contests, or postponements beyond the settlement window. With both men coming in off recent losses, any last-minute change to cardio, camp, or weight-cut narratives would matter more to value hunters than to consensus pricing. [5][12][15]

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 Who Will Win 2026. 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.

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win 2026 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.