Crystal Palace FC vs. Arsenal FC

Platform comparison

Active sub-markets

Market context

Crystal Palace host Arsenal at Selhurst Park on Sunday 24 May, with settlement tied to the match starting at 15:00 UTC. At a 23% YES price, the market is effectively saying Palace are an underdog but not a dead shot, so a trader would treat the contract less like a simple match-winner bet and more like a live probability feed that can be re-priced against team news, motivation and lineup shape. In comparable Premier League fixtures, late-season away favourites can drift if the visitor has already secured its league objective, while home sides can shorten when the opponent rotates or rests key players.

Programmatically, the useful approach is to set alerts around official squad announcements and then compare any lineup change against the implied move already baked into the order book. Arsenal’s recent league form has them listed by ESPN at 17 wins, 3 draws and 2 losses with a +21 goal difference, which is the sort of baseline that keeps an away-favoured price elevated unless there is evidence of rotation or fitness issues. The main catalysts to watch are Arsenal team-news releases, Crystal Palace’s Match Centre updates, and any Premier League scheduling or broadcast notes that could affect timing or selection. A conditional-order workflow would typically wait for confirmed XIs, then react only if the starting forwards, goalkeeper or centre-backs differ from expectation.

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Methodology

We track Crystal Palace FC vs. Arsenal FC 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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

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.

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.

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.

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.