Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
50% | 50% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
50% | 50% | 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 |
|---|---|
| Any Other Score | 50% |
| CF América 2 - 1 Portland Timbers | 44% |
| CF América 3 - 1 Portland Timbers | 21% |
| CF América 2 - 2 Portland Timbers | 20% |
| CF América 3 - 2 Portland Timbers | 11% |
| CF América 2 - 3 Portland Timbers | 4% |
| CF América 1 - 2 Portland Timbers | 3% |
| CF América 1 - 3 Portland Timbers | 2% |
| CF América 0 - 1 Portland Timbers | 1% |
| CF América 1 - 0 Portland Timbers | 1% |
| CF América 2 - 0 Portland Timbers | 1% |
| CF América 3 - 3 Portland Timbers | 1% |
| CF América 0 - 0 Portland Timbers | 0% |
| CF América 0 - 2 Portland Timbers | 0% |
| CF América 1 - 1 Portland Timbers | 0% |
| CF América 0 - 3 Portland Timbers | 0% |
| CF América 3 - 0 Portland Timbers | 0% |
Market context
Polymarket is pricing **CF América vs. Portland Timbers - Exact Score** at just **1% YES**, which is consistent with a very specific scoreline landing in a single football match settled on 90 minutes plus stoppage time. Because the contract is margined in **USDC** and resolved through **Polygon** conditional tokens, the market price reflects the crowd’s view of that exact final-state probability rather than a broader view on who wins the Leagues Cup tie.
The historical frame does not suggest a strong read from the head-to-head alone. The teams have met only a handful of times in recent years, with América unbeaten in the available records and the most recent meetings producing a draw and a 3-1 América win, while other databases also show a 1-1 result and report no Portland victory in the series.[1][2][12][19] That kind of mix matters for an exact-score contract because it points to recurring, but not tightly clustered, outcomes: draws and one- or two-goal margins have appeared, which leaves many individual scores plausible and keeps any single scoreline low in implied probability.[1][18]
A trader should watch for late team-news, kickoff timing, and any schedule change, because this market stays open if the match is postponed and only resolves once the game is completed under the stated regulation-time rule. Recent live listings show the fixture as active for 10 August 2026, with no evidence in the supplied sources of a cancellation or format change, so the main catalyst is still the official matchday team sheets and whether either side rotates heavily in Leagues Cup play.[8][13][14] On Polymarket, that means the key question is not simply who looks stronger, but whether the announced line-ups make a low-frequency exact score materially more or less reachable.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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
- 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%.
Trade CF América vs. Portland Timbers - Exact Score on Kalshi UK
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