Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Cagliari Calcio | 100% |
| Draw | 0% |
| SS Arezzo | 0% |
Market context
Cagliari Calcio will host SS Arezzo in the Coppa Italia on Friday, 14 August 2026. The fixture represents an early-round domestic cup tie, with Cagliari entering as the heavy favourite given their Serie A status against Arezzo, a lower-division side competing in Serie C. The 100% implied probability reflects the substantial gulf in competitive tier and recent performance trajectories between the two clubs.
Cagliari's recent form heading into summer 2026 showed mixed results in their final Serie A campaign, though they maintained mid-table stability. Arezzo, conversely, has operated in the third tier for several seasons and lacks the infrastructure and squad depth of their opponents. Historical Coppa Italia data demonstrates that Serie A clubs eliminate lower-division opposition in early rounds at rates exceeding 95%, particularly when hosting. The only material variance typically emerges when Serie A sides field heavily rotated squads or face unexpected injury crises that force reliance on academy players.
Traders should monitor team news releases through mid-August, particularly regarding Cagliari's pre-season injury status and any late managerial decisions on squad rotation. Arezzo's squad announcements—specifically any late signings or departures—carry minimal predictive weight given the quality differential. The settlement window closes at 16:30 on match day, allowing only final-hour tactical adjustments or injury confirmations to influence positioning. Weather conditions on the day are unlikely to materially shift probabilities given Cagliari's superior adaptation capacity across playing conditions.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $158K.
Methodology
Sports-specific comparison page for Cagliari Calcio vs. SS Arezzo. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- 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%.
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