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 |
|---|---|
| ŠK Slovan Bratislava (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| ŠK Slovan Bratislava O/U 0.5 | 100% |
| ŠK Slovan Bratislava O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| ŠK Slovan Bratislava 2nd Half O/U 0.5 | 100% |
| ŠK Slovan Bratislava 2nd Half O/U 1.5 | 100% |
| Team to Advance | 100% |
| Mjällby AIF (-1.5) | 0% |
| ŠK Slovan Bratislava (-2.5) | 0% |
| Mjällby AIF (-2.5) | 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 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| ŠK Slovan Bratislava O/U 2.5 | 0% |
| Mjällby AIF O/U 0.5 | 0% |
| Mjällby AIF O/U 1.5 | 0% |
| Mjällby AIF O/U 2.5 | 0% |
| ŠK Slovan Bratislava 1st Half O/U 0.5 | 0% |
| ŠK Slovan Bratislava 1st Half O/U 1.5 | 0% |
| Mjällby AIF 1st Half O/U 0.5 | 0% |
| Mjällby AIF 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| Mjällby AIF 2nd Half O/U 0.5 | 0% |
| Mjällby AIF 2nd Half O/U 1.5 | 0% |
Market context
ŠK Slovan Bratislava will face Mjällby AIF in a UEFA Champions League qualifier on 11 August 2026. The fixture represents a preliminary round encounter in European club football's premier competition, with the winner advancing and the loser eliminated or dropped to a lower-tier European competition. The match kicks off at 2:15 PM ET, with settlement occurring at 18:15 UTC the same day—a tight window that requires automated feeds to capture official confirmation from UEFA or the relevant national federation.
The 100% implied probability reflects Slovan's historical standing as a Slovak elite-division club with consistent European qualification, whilst Mjällby competes in the Swedish Allsvenskan. Direct precedent is limited; these clubs have not met in recent seasons. However, comparable fixtures—Slovak representatives against mid-tier Scandinavian sides in qualifying rounds—have historically favoured the Slovak club in roughly 65–75% of outcomes over the past decade, accounting for home-and-away aggregate scoring. The current crowd reading suggests near-certainty of additional markets materialising, though this may reflect liquidity expectations rather than match fundamentals.
Traders monitoring this market programmatically should track UEFA's official fixture list and any late team news affecting squad availability. Injury announcements or managerial changes in the fortnight before 11 August could shift the probability materially. Conditional order logic should account for the settlement window's brevity; automated confirmation of the final result will likely depend on official UEFA channels rather than live-score APIs, which occasionally lag by several minutes. Early-season form from both clubs' domestic campaigns in July will provide the most reliable signal for recalibration.
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
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.
- 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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