West Ham United FC vs. Arsenal FC

Platform comparison

Active sub-markets

Market context

West Ham United will host Arsenal at the London Stadium on Sunday, 10 May 2026 in a Premier League fixture. The Polymarket contract currently prices an Arsenal victory at 14% (YES), implying roughly 86% probability distributed between a West Ham win and a draw. Settlement occurs at 15:30 UTC on the scheduled match date. The USDC-denominated conditional tokens on Polygon reflect this skew decisively in Arsenal's favour, despite the away fixture.

Historical context suggests the 14% probability underweights Arsenal's baseline strength. In the five seasons preceding 2025–26, Arsenal finished in the top four consistently and won roughly 55–60% of away matches in the league. West Ham's home record, whilst respectable, typically yields win rates around 45–50% against top-six opposition. The current odds imply either significant injury news at Arsenal, exceptional form from West Ham, or market inefficiency around fixture timing late in the season.

Traders should monitor team news releases in the week before 10 May, particularly regarding Arsenal squad availability and any managerial or tactical shifts. Fixture congestion—both sides may have European or cup commitments in the preceding weeks—could alter fatigue levels. West Ham's league position and relegation battle status (if applicable) will influence their intensity. Recent form statements from both clubs, published via official channels or reputable sports outlets like Sky Sports or BBC Sport, typically move conditional token prices materially in the final 72 hours before kickoff.

Methodology

This page reviews West Ham United FC vs. Arsenal FC across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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.

FAQ

Is this market available outside the US?

PolyGram 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.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.