Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 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
| Valencia CF (-1.5) | 100% YES | 0% NO |
| FC Barcelona (-1.5) | 0% YES | 100% NO |
| Valencia CF (-2.5) | 0% YES | 100% NO |
| FC Barcelona (-2.5) | 0% YES | 100% NO |
| O/U 0.5 | 100% YES | 0% NO |
| O/U 1.5 | 100% YES | 0% NO |
Market context
La Liga's final day on 23 May will feature Valencia hosting Barcelona at Mestalla, with the fixture kicking off at 3:00 PM ET. The 100% implied probability reflects the market's certainty that additional betting markets will be offered for this match—a near-automatic outcome for high-profile domestic fixtures in Spain's top division.
Historical precedent shows that La Liga's concluding weekend consistently attracts expanded market coverage across major platforms. When title races remain unresolved or European qualification spots hang in balance, sportsbooks and prediction markets typically broaden their offerings beyond standard match outcomes. Valencia and Barcelona's fixture carries particular weight given Barcelona's consistent pursuit of silverware and Valencia's mid-table positioning, making supplementary markets—such as correct score, first goalscorer, and card totals—commercially viable. The 100% probability reflects this structural certainty rather than any uncertainty about whether the match itself will occur.
Traders should monitor late-season injury reports and squad rotation announcements from both clubs in the weeks preceding the fixture. Barcelona's fixture congestion in May, potentially including European commitments, could influence team selection and thus the range of available markets. Valencia's final-day positioning within the league table will also shape market depth; if the club secures European qualification or faces relegation concerns, bookmakers may expand offerings accordingly. Confirmation of Barcelona's competitive status by mid-May will be the primary catalyst determining the breadth of secondary markets available.
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
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
- 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.
- 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.
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