Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See 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
On 20 August 2026, OFI Crete will face PFK CSKA Sofia in a UEFA Europa League qualifying round match. The prediction market in question concerns whether additional betting markets will become available for this fixture. When you purchase a YES share, you're betting that supplementary markets—such as correct score, first goalscorer, or half-time/full-time combinations—will be offered. A NO share represents the opposite: that no such additional markets materialise. The settlement window closes at 18:00 UTC on match day, giving traders a defined endpoint against which the outcome will be judged.
Historical precedent suggests that major European football fixtures routinely attract expanded market offerings from established bookmakers and exchanges. UEFA Europa League qualifying matches, whilst lower-profile than group-stage contests, typically do generate secondary markets when both clubs have sufficient profile or when betting volume justifies the operational cost. OFI's participation in European competition and CSKA Sofia's status as a Bulgarian top-flight side suggest reasonable commercial interest, though neither club commands the audience pull of major continental sides.
The critical variable is timing and operational readiness. Bookmakers finalise market lists based on fixture confirmation, licensing clearance, and demand forecasting—processes that usually complete within 48 hours of a match being formally scheduled. Any administrative delays, fixture postponement, or regulatory complications could prevent secondary markets from launching. Traders should monitor official UEFA announcements and major sportsbook market pages in the week preceding the match for confirmation of market availability.
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
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 Prediction Market UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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%.
Trade OFI vs. PFK CSKA Sofia - More Markets on Prediction Market UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →