Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| Cagliari Calcio O/U 0.5 | 100% |
| Cagliari Calcio 1st Half O/U 0.5 | 100% |
| Cagliari Calcio (-1.5) | 0% |
| SS Arezzo (-1.5) | 0% |
| Cagliari Calcio (-2.5) | 0% |
| SS Arezzo (-2.5) | 0% |
| O/U 1.5 | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Cagliari Calcio O/U 1.5 | 0% |
| Cagliari Calcio O/U 2.5 | 0% |
| SS Arezzo O/U 0.5 | 0% |
| SS Arezzo O/U 1.5 | 0% |
| SS Arezzo O/U 2.5 | 0% |
| Cagliari Calcio 1st Half O/U 1.5 | 0% |
| SS Arezzo 1st Half O/U 0.5 | 0% |
| SS Arezzo 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 0.5 | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Cagliari Calcio 2nd Half O/U 0.5 | 0% |
| Cagliari Calcio 2nd Half O/U 1.5 | 0% |
| SS Arezzo 2nd Half O/U 0.5 | 0% |
| SS Arezzo 2nd Half O/U 1.5 | 0% |
Market context
Cagliari Calcio will face SS Arezzo in the Coppa Italia on 14 August at 12:30 PM ET. This early-round domestic cup fixture involves a Serie A side against a lower-division opponent, yet the market for additional contract outcomes shows zero implied probability on Polymarket's Polygon deployment. The USDC-settled conditional tokens currently price this ancillary market at a floor, suggesting either minimal liquidity, sparse trader interest in secondary outcomes, or genuine uncertainty about which specific markets will resolve.
Coppa Italia early rounds historically favour top-flight clubs, though upsets occur frequently enough to merit attention. Arezzo, competing in Serie C, has reached this stage through qualifying rounds; Cagliari, a mid-table Serie A club, enters as heavy favourites. Comparable fixtures in the 2023–24 season saw similar probability distributions flatten when secondary markets lacked clear definition or when traders awaited official market specifications before committing capital.
The settlement window closes 14 August at 16:30 UTC, allowing roughly four hours post-kick-off for resolution. Traders should monitor whether Polymarket clarifies the exact outcomes this contract covers—goal-scorer markets, total shots, corner counts, or card distributions all require explicit terms before meaningful pricing emerges. Team news, injury confirmations, and final squad announcements typically arrive 24–48 hours before fixture time; any late withdrawals or tactical shifts could shift conditional probabilities sharply once the market activates with genuine volume.
Methodology
This page reviews Cagliari Calcio vs. SS Arezzo - More Markets across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Alternative UK, which mirrors the Polymarket order book at 0% fees.
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.
UK Frequently Asked Questions
- 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 Alternative UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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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