UFC Fight Night: Matt Schnell vs. Alessandro Costa (Catchweight, Prelims)

Platform comparison

Active sub-markets

Market context

Matt Schnell, a flyweight contender, faces Alessandro Costa in a catchweight bout on the preliminary card of UFC Fight Night: Muhammad vs. Bonfim on 6 June 2026. The market currently prices Schnell at 22 per cent, positioning him as a substantial underdog despite his established UFC tenure. Costa, competing at a weight class above his typical division, carries the implied favourite status at 78 per cent.

Schnell's record and recent form provide context for the current odds. The American has competed consistently in the UFC flyweight division since 2018, though his win-loss ratio has remained competitive rather than dominant. Costa, operating at catchweight, introduces uncertainty around weight management and whether the higher limit favours a naturally larger competitor or disadvantages a fighter adjusting upwards. Historical precedent suggests catchweight bouts often favour the fighter moving up when they possess superior technical depth, yet preliminary card matchups frequently feature less predictable outcomes than main-card affairs, where scouting and preparation tend to be more thorough.

Traders should monitor official UFC announcements regarding fighter health and any last-minute adjustments to the card between now and the event. Preliminary bouts occasionally see late withdrawals or replacements that could alter the matchup entirely. Weight-cut compliance and any official weigh-in complications would signal meaningful information about competitor condition. The settlement window extends to 20 June, providing buffer for potential postponements, though the primary resolution date of 7 June captures the scheduled event window tightly.

Methodology

We track UFC Fight Night: Matt Schnell vs. Alessandro Costa (Catchweight, Prelims) on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Who Will Win, 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.

Is this market available outside the US?

Who Will Win 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.

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.