Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Chelsea FC | 100% |
| Draw | 0% |
| Real Sociedad San Sebastian | 0% |
Market context
Chelsea and Real Sociedad are scheduled to meet in a pre-season friendly on 15 August 2026, with settlement contingent on the match occurring as scheduled. The Polymarket contract currently trades at 100% YES, reflecting near-certainty that this fixture will take place. On-chain, this means USDC collateral on Polygon has priced in minimal risk of cancellation, with conditional tokens reflecting full confidence in settlement by the 13:00 UTC deadline on match day.
Friendly matches between established European clubs rarely fail to materialise once announced, particularly when both sides are in their summer preparation windows. Historical precedent shows that only severe circumstances—natural disasters, security threats, or extraordinary administrative breakdowns—disrupt such fixtures. Chelsea's fixture scheduling has remained reliable across recent seasons, and Real Sociedad's La Liga status ensures institutional stability. The 100% probability reflects this structural reality rather than speculative optimism; there are few material failure modes once both clubs have committed to a date and venue.
Traders should monitor squad availability announcements and any late injury cascades affecting either side's pre-season plans, though these typically prompt rescheduling rather than outright cancellation. Fixture confirmations from official Chelsea and Real Sociedad channels, expected in late July 2026, will serve as final validation. Weather conditions in the scheduled location merit attention only if extreme warnings emerge; standard summer conditions present negligible settlement risk. The settlement window's tight closure—matching the fixture's kickoff time—leaves minimal window for last-minute developments to alter the contract's outcome.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $93K.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Qué Es, 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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Pronóstico: Chelsea FC vs. Real Sociedad San Sebastian on Polymarket Qué Es
Live order book, 0% fees, USDC settlement in seconds.
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