UFC Fight Night: Anthony Wint vs. Terrance Chatman (Heavyweight, Prelims)

Platform comparison

Market context

Anthony Wint meets Terrance Chatman in a heavyweight prelim on the UFC card in Sacramento, and the market has Wint priced as a strong favourite. The crowd-implied probability of 88% for Wint sits broadly in line with sportsbook moneylines that have mostly ranged from about -950 to -1,050, implying a win chance in the low-90s, while Chatman has generally been offered between roughly +600 and +800. That leaves the prediction market a little less extreme than some books, but still firmly on the same side of the fight.

The main comparison point is how lopsided UFC heavyweight prelim pricing tends to be when one fighter is an unproven prospect and the other is a live underdog with limited support. Recent previews have leaned even harder towards Wint, including one at around -1,050 and another near -1,000, with analysts also favouring an early finish rather than a close decision. In that context, an 88% market price is not out of line, but it is slightly softer than the strongest sportsbook and analyst numbers, which suggests some caution around whether the public has fully accounted for heavyweight volatility.

For traders, the key catalyst is the official UFC result from the event itself, since the market resolves only on the UFC’s declaration. The obvious dependencies are the bout actually taking place on schedule and being scored normally; a draw, no contest, cancellation, or postponement beyond the settlement window pushes the contract to 50-50. With the latest previews posted on 21-22 August and no indication of a major late change in the matchup, the main watchpoint is any last-minute card reshuffle, weigh-in issue, or medical withdrawal before the fight starts.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track UFC Fight Night: Anthony Wint vs. Terrance Chatman (Heavyweight, Prelims) 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 Best Prediction Markets UK. 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'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 fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

What are the best prediction markets for UK traders in 2026?

For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.