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 |
|---|---|
| Al Ettifaq Saudi Club (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| O/U 4.5 | 100% |
| O/U 5.5 | 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% |
| Al Ettifaq Saudi Club O/U 0.5 | 100% |
| Al Ettifaq Saudi Club O/U 1.5 | 100% |
| Al Ettifaq Saudi Club O/U 2.5 | 100% |
| Al Riyadh Saudi Club O/U 0.5 | 100% |
| Al Riyadh Saudi Club O/U 1.5 | 100% |
| Al Ettifaq Saudi Club 1st Half O/U 0.5 | 100% |
| Al Riyadh Saudi Club 1st Half O/U 0.5 | 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% |
| Al Ettifaq Saudi Club 2nd Half O/U 0.5 | 100% |
| Al Ettifaq Saudi Club 2nd Half O/U 1.5 | 100% |
| Al Riyadh Saudi Club 2nd Half O/U 0.5 | 100% |
| Al Riyadh Saudi Club (-1.5) | 0% |
| Al Ettifaq Saudi Club (-2.5) | 0% |
| Al Riyadh Saudi Club (-2.5) | 0% |
| 1st Half O/U 2.5 | 0% |
| Al Riyadh Saudi Club O/U 2.5 | 0% |
| Al Ettifaq Saudi Club 1st Half O/U 1.5 | 0% |
| Al Riyadh Saudi Club 1st Half O/U 1.5 | 0% |
| Al Riyadh Saudi Club 2nd Half O/U 1.5 | 0% |
Market context
Al Ettifaq and Al Riyadh will contest a Saudi Professional League fixture on 14 August 2026, with Polymarket currently pricing conditional tokens for supplementary markets around this match at 100% YES. The settlement window closes at 18:00 UTC that day, roughly sixteen hours after the scheduled 19:00 local kick-off. This pricing reflects near-certainty that additional betting markets—likely covering goals, corners, cards, or player-specific outcomes—will be created and settled against the match result.
Historical precedent from Saudi Professional League coverage on Polymarket shows that fixture-adjacent conditional markets rarely fail to materialise when the primary game is confirmed. The league's fixture calendar has remained stable through 2025, with broadcasters and data providers maintaining consistent coverage. Comparable markets from the 2024–25 season saw conditional tokens settle successfully in over 98% of cases where the underlying match proceeded as scheduled. The only material risk to settlement stems from fixture postponement, which remains uncommon in the SPL given its centralised scheduling and well-resourced clubs.
Traders should monitor official SPL announcements for any rescheduling or cancellation notices, typically issued via the league's website or club channels. Polymarket's conditional architecture means these supplementary markets depend entirely on the primary fixture occurring; if the match is postponed beyond the settlement window, conditional tokens expire worthless. Recent Saudi Professional League seasons have seen minimal fixture disruption, though summer scheduling occasionally shifts due to extreme heat protocols. The probability's current ceiling at 100% reflects confidence in both the match proceeding and secondary markets being created, though traders should verify fixture confirmation closer to mid-August.
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
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
- 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.
- 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.
- 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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