Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets 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% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| Both Teams to Score | 100% |
| CF Estrela da Amadora O/U 0.5 | 100% |
| CF Estrela da Amadora O/U 1.5 | 100% |
| Sporting CP O/U 0.5 | 100% |
| Sporting CP O/U 1.5 | 100% |
| Both Teams to Score in Second Half | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| 2nd Half O/U 2.5 | 100% |
| CF Estrela da Amadora 2nd Half O/U 0.5 | 100% |
| CF Estrela da Amadora 2nd Half O/U 1.5 | 100% |
| Sporting CP 2nd Half O/U 0.5 | 100% |
| Sporting CP 2nd Half O/U 1.5 | 100% |
| CF Estrela da Amadora (-1.5) | 0% |
| Sporting CP (-1.5) | 0% |
| CF Estrela da Amadora (-2.5) | 0% |
| Sporting CP (-2.5) | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| CF Estrela da Amadora O/U 2.5 | 0% |
| Sporting CP O/U 2.5 | 0% |
| CF Estrela da Amadora 1st Half O/U 0.5 | 0% |
| CF Estrela da Amadora 1st Half O/U 1.5 | 0% |
| Sporting CP 1st Half O/U 0.5 | 0% |
| Sporting CP 1st Half O/U 1.5 | 0% |
Market context
CF Estrela da Amadora’s meeting with Sporting CP is a Primeira Liga away fixture that the main betting boards price as a heavy Sporting win, but the prediction market’s **0% YES** implies the “more markets” contract is being treated as having no realistic settlement path. Sportsbooks broadly disagree with that extreme view: Sporting are around **1.21-1.34** to win in the 1X2 market, while Estrela are priced in the **8.25-11.00** range and the draw around **5.00-6.50**, which is consistent with a strong favourite but not with a zero-probability outcome.[1][3][5][12]
Comparable fixtures frame this as a classic mismatch rather than a dead market. Recent previews and historical odds comparisons for the same pairing have repeatedly put Sporting at about **1.22-1.25** and Estrela near **9.5-15.0**, with analysts also leaning to Sporting and often to a low-to-mid scoring away win rather than an upset.[6][8][16] That means the crowd-implied zero looks far more aggressive than the consensus price range, unless the contract’s exact wording excludes the obvious match result path.
For traders, the main catalysts are late team-news and market-definition issues: confirmed line-ups, any goalkeeper or striker absence, and whether the contract resolves on a narrow set of “more markets” conditions rather than ordinary 1X2, goals, or BTTS outcomes. Pre-match books are already offering lines on Sporting to win, over 2.5 goals, and BTTS, with one recent comparison showing Sporting around **1.22** and the main goal market leaning to **Over 2.5** at roughly **-167**; if the event is settled off a specific auxiliary market rather than the match result, the exact rule wording matters more than the footballing consensus.[1][8][20]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets UK, which mirrors the Polymarket order book directly.
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 Best Prediction Markets 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.
- 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.
- What are the best prediction markets for UK traders in 2026?
- For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.
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