OFI vs. PFK CSKA Sofia

Platform comparison

Market context

On Thursday, 20 August 2026, OFI Crete will host PFK CSKA Sofia in a UEFA Europa League qualifier. The conditional YES token on Polymarket currently trades at 0.90 USDC, implying roughly a 90% probability that OFI advances or wins outright, depending on the specific settlement criteria. This pricing reflects market confidence in the Greek club's prospects, though the settlement window closes at 18:00 UTC on match day, leaving minimal time for post-match verification once the fixture concludes.

OFI's historical record in European competition provides limited precedent for this particular matchup. The Cretan side has competed sporadically in continental tournaments over the past decade, with mixed results against Bulgarian opposition. CSKA Sofia, conversely, has established itself as a consistent Europa League participant and qualified for the group stage in recent seasons, suggesting greater European pedigree. The 90% implied probability appears to weight OFI's home advantage heavily, though CSKA's experience in knockout football may warrant closer examination of the underlying odds.

Traders should monitor team news releases and official UEFA fixture confirmations through mid-August, particularly regarding squad availability and any late tactical shifts. Injury announcements or managerial changes in the fortnight before the match could shift conditional token valuations materially. Additionally, the settlement criteria—whether the market resolves on aggregate score, regulation time, or extra time—will determine how closely the on-chain price tracks actual match dynamics. Liquidity on Polygon may tighten as the settlement window approaches, affecting exit opportunities for position holders.

Methodology

We track OFI vs. PFK CSKA Sofia across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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.

FAQ

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.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.