Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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 |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| Arsenal FC O/U 0.5 | 100% |
| Como 1907 O/U 0.5 | 100% |
| Arsenal FC 1st Half O/U 0.5 | 100% |
| Como 1907 1st Half O/U 0.5 | 100% |
| Arsenal FC (-1.5) | 0% |
| Como 1907 (-1.5) | 0% |
| Arsenal FC (-2.5) | 0% |
| Como 1907 (-2.5) | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Arsenal FC O/U 1.5 | 0% |
| Arsenal FC O/U 2.5 | 0% |
| Como 1907 O/U 1.5 | 0% |
| Como 1907 O/U 2.5 | 0% |
| Arsenal FC 1st Half O/U 1.5 | 0% |
| Como 1907 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% |
| Arsenal FC 2nd Half O/U 0.5 | 0% |
| Arsenal FC 2nd Half O/U 1.5 | 0% |
| Como 1907 2nd Half O/U 0.5 | 0% |
| Como 1907 2nd Half O/U 1.5 | 0% |
Market context
Arsenal will face Como 1907 in a pre-season friendly on 12 August at 2:30 PM ET. Polymarket currently prices this contract at 0% YES, reflecting minimal trading activity or liquidity for this particular conditional market within the broader fixture. The settlement window closes at 18:30 UTC on match day, giving traders a narrow window to position before kick-off at Old Trafford or wherever the fixture takes place.
Pre-season friendlies between established Premier League sides and Italian Serie A clubs typically attract modest trading volumes on conditional derivatives, particularly when the underlying match carries no competitive stakes. Historical precedent suggests that markets on ancillary outcomes—such as "more markets" conditions tied to specific performance metrics or betting-related triggers—often remain dormant until major sportsbooks or news outlets signal elevated interest. The 0% probability reflects genuine scarcity of demand rather than consensus bearishness; traders have simply not yet committed USDC to this particular conditional token on Polygon.
Catalysts for movement centre on fixture confirmation and team news. Arsenal's pre-season schedule typically becomes finalised in late July, with squad announcements following shortly after. Any injury updates to key players, late changes to the fixture time, or unexpected venue alterations could prompt traders to reassess the market's relevance. Monitoring Arsenal's official channels and Como's travel arrangements in early August will signal whether this conditional contract gains traction before settlement.
Methodology
We track Arsenal FC vs. Como 1907 - More Markets 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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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 Kalshi UK. 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.
- 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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