Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| AZ (-1.5) | 100% |
| AZ (-2.5) | 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% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| FC Utrecht O/U 0.5 | 100% |
| AZ O/U 0.5 | 100% |
| AZ O/U 1.5 | 100% |
| AZ O/U 2.5 | 100% |
| AZ 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% |
| FC Utrecht 2nd Half O/U 0.5 | 100% |
| AZ 2nd Half O/U 0.5 | 100% |
| AZ 2nd Half O/U 1.5 | 100% |
| FC Utrecht (-1.5) | 0% |
| FC Utrecht (-2.5) | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| FC Utrecht O/U 1.5 | 0% |
| FC Utrecht O/U 2.5 | 0% |
| FC Utrecht 1st Half O/U 0.5 | 0% |
| FC Utrecht 1st Half O/U 1.5 | 0% |
| AZ 1st Half O/U 1.5 | 0% |
| FC Utrecht 2nd Half O/U 1.5 | 0% |
Market context
FC Utrecht will face AZ Alkmaar in the Eredivisie on 15 August at 12:45 PM ET, with settlement occurring at 16:45 UTC the same day. The market currently shows 0% implied probability, suggesting traders are either awaiting additional market definition or treating the underlying event as settled or cancelled. Given the settlement window closes immediately after the scheduled kick-off, any delay or postponement would compress the resolution timeline significantly.
Historical precedent in Eredivisie betting shows that pre-season or early-season fixtures often carry lower trading volume than mid-table matches, partly because squad composition remains fluid and injury reports emerge late. The 0% reading here likely reflects incomplete market participation rather than certainty about the outcome. Similar early-season Dutch league markets on decentralised platforms have seen sharp probability shifts once team news breaks within 48 hours of fixture time. Comparable USDC-settled sports contracts on btc-prediction.bet have demonstrated that low initial probabilities in niche football markets frequently reset once liquidity providers enter.
Traders should monitor official Eredivisie fixture confirmations and both clubs' injury bulletins through 14 August. Recent squad announcements from either side—particularly regarding key players—typically move related derivative markets. The tight settlement window (ending just after full-time) means any technical delays in result confirmation could affect payout timing. Funding rates on related football prediction pools have remained stable, suggesting no macro crypto volatility is currently pricing into this specific fixture.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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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