Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Review UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
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% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| 1st Half O/U 2.5 | 100% |
| AFC Ajax O/U 0.5 | 100% |
| AFC Ajax O/U 1.5 | 100% |
| SC Heerenveen O/U 0.5 | 100% |
| SC Heerenveen O/U 1.5 | 100% |
| AFC Ajax 1st Half O/U 0.5 | 100% |
| AFC Ajax 1st Half O/U 1.5 | 100% |
| SC Heerenveen 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| SC Heerenveen 2nd Half O/U 0.5 | 100% |
| AFC Ajax O/U 2.5 | 1% |
| SC Heerenveen O/U 2.5 | 1% |
| 2nd Half O/U 2.5 | 1% |
| AFC Ajax 2nd Half O/U 0.5 | 1% |
| SC Heerenveen 2nd Half O/U 1.5 | 1% |
| AFC Ajax (-1.5) | 0% |
| SC Heerenveen (-1.5) | 0% |
| AFC Ajax (-2.5) | 0% |
| SC Heerenveen (-2.5) | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| SC Heerenveen 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| AFC Ajax 2nd Half O/U 1.5 | 0% |
Market context
Ajax and Heerenveen meet in the opening round of the 2026–27 Eredivisie season on 16 August. The market in question captures secondary or tertiary outcomes from that fixture—likely corner counts, card totals, or goal-margin bands rather than the match result itself. Settlement occurs at 14:45 UTC, roughly four hours after kick-off, allowing time for official data feeds to confirm final statistics.
The 37% implied probability suggests a moderately unlikely outcome. Historical Eredivisie opening-day volatility and Ajax's typical fixture dominance at home provide anchoring points. Ajax have won their last five competitive home matches against Heerenveen by an aggregate margin of 11–2; however, season-opener form often diverges from established patterns due to pre-season conditioning variance and squad rotation. Comparable markets on Eredivisie secondary outcomes have shown 35–40% probabilities cluster around events occurring in roughly one-third of matches—consistent with the current reading if the market concerns, for instance, a specific corner-count bracket or a player-specific booking.
Traders automating conditional orders should monitor team news releases through early August, particularly injury confirmations and squad lists published 48 hours pre-match. Ajax's summer transfer activity and any late Heerenveen defensive signings will influence corner and card distributions. Kick-off timing at 10:45 ET (15:45 BST) places the match in standard weekend scheduling; no fixture postponements have been flagged. API-driven position management should account for the four-hour settlement lag and potential data-feed delays from official Eredivisie sources, which occasionally lag broadcast confirmation by 10–15 minutes.
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 Polymarket Review UK, which mirrors the Polymarket order book directly.
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 Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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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