FC Sion vs. FC Vaduz

Platform comparison

Market context

Polymarket is pricing this FC Sion vs FC Vaduz contract at **100% YES**, which means the market is treating the outcome as fully resolved in favour of the event meeting its settlement condition on Polygon with USDC collateral and conditional tokens. In practical terms, that leaves little room for new information to move the price unless there is a dispute over whether the match status matches the market’s wording before the settlement window closes.

Comparable pre-match models are far less absolute, which is useful context for reading a 100% print. Independent previews still frame Sion as a favourite rather than a certainty: Sports Mole puts Sion’s win probability at 54.09%, with a draw at 24.51% and Vaduz at 21.43%, while other previews are more bullish but still stop well short of a lock, including roughly 70% home-win estimates from Kickoff and BetClan.[16][8][6] That gap between modelled football probability and market pricing matters on Polymarket, because the contract will only settle on the event definition, not on who “should” have won on paper.[16][8]

The main trader watchpoints are straightforward: confirmed kick-off, any postponement or abandonment, and whether the fixture is officially the Switzerland Super League match listed for Stade de Tourbillon in Sion at 14:30 UTC.[1][17] If the schedule changes, the settlement outcome can hinge on the final competition record rather than pre-match previews, so the relevant signals are club, league, and venue announcements rather than betting sentiment.[1][17] A 100% price effectively says the crowd sees no credible path to a different settlement before 2026-08-09T14:30:00Z.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track FC Sion vs. FC Vaduz across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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.

UK Frequently Asked Questions

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.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.