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% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| Karlsruher SC O/U 0.5 | 100% |
| Karlsruher SC O/U 1.5 | 100% |
| DSC Arminia Bielefeld O/U 0.5 | 100% |
| Karlsruher SC 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% |
| Karlsruher SC 2nd Half O/U 0.5 | 100% |
| DSC Arminia Bielefeld 2nd Half O/U 0.5 | 100% |
| Karlsruher SC (-1.5) | 0% |
| DSC Arminia Bielefeld (-1.5) | 0% |
| Karlsruher SC (-2.5) | 0% |
| DSC Arminia Bielefeld (-2.5) | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 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% |
| Karlsruher SC O/U 2.5 | 0% |
| DSC Arminia Bielefeld O/U 1.5 | 0% |
| DSC Arminia Bielefeld O/U 2.5 | 0% |
| Karlsruher SC 1st Half O/U 1.5 | 0% |
| DSC Arminia Bielefeld 1st Half O/U 0.5 | 0% |
| DSC Arminia Bielefeld 1st Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Karlsruher SC 2nd Half O/U 1.5 | 0% |
| DSC Arminia Bielefeld 2nd Half O/U 1.5 | 0% |
Market context
Karlsruher SC host Arminia Bielefeld in a 2. Bundesliga match at BBBank Wildpark, with the current market time pointing to a 7:00 a.m. ET kick-off on 8 August. For a “more markets” contract, the practical read is that the base fixture has already been priced and the remaining question is whether the game spawns extra sub-markets, so a 0% implied YES means the crowd sees no live path to additional listings before the settlement window closes.
Recent comparable meetings suggest a fixture that can generate goals and therefore market depth. Karlsruhe beat Bielefeld 4-1 at home in April 2026, while Bielefeld had earlier won 4-0 in the reverse meeting, and their last five head-to-heads have been goal-heavy by historical standards. That matters for programmatic monitoring because high-scoring, closely matched games can trigger extra derivative markets such as goal totals, player lines, or book-style live props, but only if the exchange publishes them in time and the underlying event page is updated.
A trader watching this contract would track official team sheets, kick-off confirmation, and any exchange announcement that expands the market slate before settlement. The relevant dependency is not the match itself but the platform’s listing logic: if no new market category is opened, the YES side remains unsupported; if the operator adds live or pre-match derivatives shortly before kick-off, the probability can move rapidly from the order book. Recent previews also note that both clubs enter with new coaches and that Bielefeld had Leon Schneider absent from the travelling squad, which is the sort of squad-news input a bot or conditional order system would ingest first.
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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
UK Frequently Asked Questions
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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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