UFC Fight Night: Steven Asplund vs. Guilherme Pat (Heavyweight, Main Card)

Platform comparison

Market context

Steven Asplund v Guilherme Pat is priced as a lopsided heavyweight bout, with the crowd-implied probability for Asplund around **70%–73%** and Pat in the **27%–30%** range, so the market is treating Asplund as the clear favourite.[6][9][17] That lines up with the broader betting picture: Asplund has been a steady short-price favourite, moving from roughly **-240** at the open to the **-270 to -305** area across major books, while Pat has drifted into the mid-**+200s**.[1][7][18]

For handicapping, that kind of consensus usually means the value case is harder on the favourite unless you believe the market is still underestimating his finishing upside. Several recent previews have leaned Asplund, including a sportsbook-based projection around **71.8%** after vig removal and a recommendation on him by knockout, while another model still gave Pat a meaningful upset chance, showing this is not a pure mismatch even if the market leans one way.[2][13][14] Contrarian buyers of Pat are essentially betting that the underdog price is too generous relative to his real chance of surviving early and turning the fight into a longer, less predictable heavyweight contest.[18]

The main catalysts are straightforward: official UFC weigh-in, bout-order, and last-minute medical or replacement news, because heavyweight fights can move quickly when one fighter misses weight, gets ill, or the event card is reshuffled. The market’s settlement window also leaves room for a delayed or altered ruling through **22 August 2026**, so traders should watch for any UFC-issued change to the result status rather than relying on live scorecards or sportsbook handling.[9]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win, which mirrors the Polymarket order book directly.

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?

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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.

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