Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
23% | 77% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
23% | 77% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| Crystal Palace FC | 23% YES | 78% NO |
| Draw (Crystal Palace FC vs. Arsenal FC) | 24% YES | 77% NO |
| Arsenal FC | 55% YES | 46% NO |
Market context
Crystal Palace host Arsenal on Sunday with the market still pricing the visitors as outsiders for a first-half win, at 23% YES. That leaves the “Arsenal lead by half-time” angle as a relatively low-probability outcome, even though Arsenal’s broader match strength is clear in the full-time market. The recent move in expectations appears to be driven less by any dramatic shift in Arsenal’s form than by Palace’s late-season context: a home side with little room for caution, but also the usual Selhurst Park resistance that can suppress early scoring.
For framing, this is the sort of spot where first-half outcomes tend to sit well below full-time prices unless the stronger side is expected to start fast or the underdog is weakened by absences. Arsenal have often controlled possession in this fixture without necessarily turning that into an early breakthrough, which helps explain why a title-winning side can still carry only a modest half-time yes price away from home. Palace’s draw-heavy profile at home also matters, because 0-0 and 1-0 game states are the main reason these markets stay compressed.
The key catalysts between now and kick-off are team news and any late clarity on Palace’s back line. Crystal Palace manager Oliver Glasner has already said he intends to field a near full-strength side despite the looming Conference League final, while centre-back Chris Richards remains a fitness check after twisting an ankle against Brentford, according to Polymarket’s market notes. If Richards is ruled out, or if Arsenal confirm a strong attacking XI, that would be the main route to a reprice before Sunday. Keep an eye on official team sheets and pre-match reports from Palace and the Premier League in the final hours.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, 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.
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 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.
Trade Crystal Palace FC vs. Arsenal FC on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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