Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| Feyenoord Rotterdam O/U 0.5 | 100% |
| Feyenoord Rotterdam 1st Half O/U 0.5 | 100% |
| Sparta Rotterdam (-1.5) | 0% |
| Feyenoord Rotterdam (-1.5) | 0% |
| Sparta Rotterdam (-2.5) | 0% |
| Feyenoord Rotterdam (-2.5) | 0% |
| O/U 1.5 | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Sparta Rotterdam O/U 0.5 | 0% |
| Sparta Rotterdam O/U 1.5 | 0% |
| Sparta Rotterdam O/U 2.5 | 0% |
| Feyenoord Rotterdam O/U 1.5 | 0% |
| Feyenoord Rotterdam O/U 2.5 | 0% |
| Sparta Rotterdam 1st Half O/U 0.5 | 0% |
| Sparta Rotterdam 1st Half O/U 1.5 | 0% |
| Feyenoord Rotterdam 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 0.5 | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Sparta Rotterdam 2nd Half O/U 0.5 | 0% |
| Sparta Rotterdam 2nd Half O/U 1.5 | 0% |
| Feyenoord Rotterdam 2nd Half O/U 0.5 | 0% |
| Feyenoord Rotterdam 2nd Half O/U 1.5 | 0% |
Market context
Sparta Rotterdam versus Feyenoord Rotterdam is priced on Polymarket as a **More Markets** contract, and the crowd is currently implying **0% YES** against a settlement window ending at 10:15 UTC on 9 August 2026. Because this market settles on a specific combination of match outcomes rather than the abstract fixture itself, Polymarket users are effectively holding USDC on Polygon while the conditional tokens resolve only if the listed “more markets” criterion is met.
The historical frame is straightforward: Feyenoord has dominated this derby over the longer sample, with 20 wins in 28 meetings since 2005, plus only four Sparta victories and four draws.[1] Other databases tell the same story even if the exact sample changes slightly, showing Feyenoord well ahead on wins and goals scored.[2][3] Recent meetings, however, show that Sparta can still land a result, including a 1–1 draw in August 2024 and a 3–4 away win in January 2026, which is the kind of volatility that matters more for side markets than for the match winner itself.[7][18]
The main catalysts for traders are team news, line-ups and any late schedule or venue changes before the 11:15 BST kick-off listed by Sky Sports.[11] Feyenoord’s historical edge has often come with strong possession and shot volume, so confirmation of starters, defenders and set-piece options can shift expectations on total-goal or both-teams-to-score style sub-markets.[13][15] With the contract already near a hard zero, the practical question on chain is whether the final market definition matches the actual match data closely enough for settlement to trigger, rather than whether Feyenoord simply win the derby.[11]
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
- 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.
- 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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