Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) 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 |
|---|---|
| OFI (-1.5) | 100% |
| OFI (-2.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| OFI O/U 0.5 | 100% |
| OFI O/U 1.5 | 100% |
| OFI O/U 2.5 | 100% |
| OFI 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| OFI 2nd Half O/U 0.5 | 100% |
| OFI 2nd Half O/U 1.5 | 100% |
| PFK CSKA Sofia 2nd Half O/U 0.5 | 10% |
| 2nd Half O/U 2.5 | 1% |
| PFK CSKA Sofia 2nd Half O/U 1.5 | 1% |
| PFK CSKA Sofia (-1.5) | 0% |
| PFK CSKA Sofia (-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% |
| PFK CSKA Sofia O/U 0.5 | 0% |
| PFK CSKA Sofia O/U 1.5 | 0% |
| PFK CSKA Sofia O/U 2.5 | 0% |
| OFI 1st Half O/U 1.5 | 0% |
| PFK CSKA Sofia 1st Half O/U 0.5 | 0% |
| PFK CSKA Sofia 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
Market context
OFI Crete will host PFK CSKA Sofia in a UEFA Europa League qualifying round on 20 August 2026. The fixture marks an early-season European test for both clubs, with the winner advancing further in the competition's preliminary stages. OFI, based in Rethymno, Greece, competes in the Super League; CSKA Sofia, Bulgaria's most successful club by trophy count, operates in the Bulgarian First League. The 100% crowd probability on additional markets being offered reflects near-certainty that the match will proceed as scheduled and generate sufficient trading interest to warrant secondary betting options beyond standard match outcomes.
Historical precedent suggests that qualifying-round Europa League fixtures between Greek and Bulgarian clubs rarely face cancellation or postponement once confirmed in the official UEFA calendar. Both nations' domestic seasons typically align with standard European schedules, minimising fixture congestion conflicts. However, the settlement window's 20 August deadline creates a tight turnaround; any late team news—injuries to key players, visa complications for travelling squads, or unexpected weather—could affect market liquidity rather than match certainty itself.
Traders should monitor official UEFA announcements regarding squad confirmations, which typically arrive 48 hours before kick-off. Recent reporting from Bulgarian football correspondents has highlighted CSKA Sofia's summer recruitment activity and managerial continuity under their current coaching staff. OFI's pre-season form and any Greek Super League fixture scheduling conflicts in the days immediately before or after 20 August will also influence team preparation levels and potential lineup rotations, factors that secondary markets often price differently than primary outcomes.
Methodology
Sports-specific comparison page for OFI vs. PFK CSKA Sofia - More Markets. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- 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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