West Ham United FC vs. Arsenal FC

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Market context

West Ham United will host Arsenal at the London Stadium on Sunday, 10 May 2026, in a Premier League fixture. The current crowd-implied probability of 14% suggests traders are pricing West Ham as substantial underdogs, reflecting Arsenal's historical advantage in head-to-head records and typical league positioning. This late-season fixture carries weight for both clubs' final standings and European qualification prospects.

Historical precedent shows West Ham's home record against top-six sides has improved markedly over recent seasons, though Arsenal maintains a winning record in the fixture across the past decade. When evaluating the 14% probability, traders should cross-reference West Ham's actual home conversion rates against comparable mid-table sides facing top-four contenders in May fixtures. Conditional order logic would typically trigger on team news—injuries to Arsenal's key midfielders or forwards materially shift expected output, whilst West Ham's availability of their primary attacking outlets affects their scoring likelihood. The settlement window closing at 15:30 UTC on match day means live-trading opportunities exist only during the first half; automated systems should account for this compressed window when structuring entry and exit logic.

Catalysts to monitor include official team sheets released 90 minutes before kickoff, any late-week injury confirmations from either club's medical staff, and final league standings that may affect motivation if either side has already secured or been eliminated from European competition. Weather conditions at the Stadium on the day will also influence expected goal totals and defensive solidity, particularly relevant for West Ham's counter-attacking approach.

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

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 PolyGram, 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.

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 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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.

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.