Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) 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 |
|---|---|
| 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% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| Holstein Kiel O/U 0.5 | 100% |
| Holstein Kiel O/U 1.5 | 100% |
| FC St. Pauli 1910 O/U 0.5 | 100% |
| FC St. Pauli 1910 O/U 1.5 | 100% |
| FC St. Pauli 1910 1st Half O/U 0.5 | 100% |
| FC St. Pauli 1910 1st Half O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| Holstein Kiel 2nd Half O/U 0.5 | 100% |
| Holstein Kiel 2nd Half O/U 1.5 | 100% |
| Holstein Kiel (-1.5) | 0% |
| FC St. Pauli 1910 (-1.5) | 0% |
| Holstein Kiel (-2.5) | 0% |
| FC St. Pauli 1910 (-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 2.5 | 0% |
| Holstein Kiel O/U 2.5 | 0% |
| FC St. Pauli 1910 O/U 2.5 | 0% |
| Holstein Kiel 1st Half O/U 0.5 | 0% |
| Holstein Kiel 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| FC St. Pauli 1910 2nd Half O/U 0.5 | 0% |
| FC St. Pauli 1910 2nd Half O/U 1.5 | 0% |
Market context
Holstein Kiel travel to FC St. Pauli on 14 August for a 2. Bundesliga fixture that carries significant weight in the early season narrative. Both clubs are promotion contenders with recent histories of oscillating between the top flight and second division, making this an encounter between sides with similar ambitions and structural resources. The 0% implied probability on this particular market suggests either extreme clarity about the outcome or minimal trading activity; given the settlement window closes at 16:30 on match day, liquidity constraints and late-stage positioning may be suppressing volume rather than reflecting genuine consensus.
Kiel's promotion to the Bundesliga in 2023–24 ended in immediate relegation, whilst St. Pauli's trajectory has been more volatile, with recent seasons marked by playoff appearances and mid-table finishes. Historical head-to-head records between these clubs show competitive balance; neither holds a decisive edge. The absence of recent injury announcements or managerial changes as of early August suggests both squads enter at full strength, removing obvious catalysts for sharp line movement.
Traders should monitor late team news on 14 August morning for squad confirmations and any unexpected absences. St. Pauli's home advantage at the Millerntor-Stadion typically yields a 3–5 percentage-point swing in win probability, though Kiel's recent investment in squad depth may offset this. The 0% reading warrants scrutiny: it may reflect genuine indifference to this particular market variant rather than forecasting certainty.
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 Who Will Win, 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 Who Will Win. 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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