FC Spartak Trnava vs. FK CSKA 1948 Sofia

Platform comparison

Market context

FC Spartak Trnava meet FK CSKA 1948 Sofia in UEFA Europa Conference League qualifying, and the crowd price of **0% YES** is far below what generic match models imply. Sports Mole’s pre-match probabilities make Spartak Trnava the likelier winner at **49.28%**, with CSKA 1948 Sofia at **27.31%** and the draw at **23.44%**, so the market is pricing a collapse in that baseline view rather than a standard home-leaning tie.[1]

That gap matters because the live comparison is not between certainty and uncertainty, but between a market that implies *no* settlement win and a football model that still sees Trnava as the single most likely outcome. Sky Sports lists the fixture as **0-0** in its teams page, which is consistent with a pre-match holding pattern rather than an evidence-based lean, while Global Sports Archive also shows a later leg in Sofia on 28 July, suggesting this market may be tied to a two-legged qualification context rather than a one-off knockout.[2][3]

For traders, the key catalysts are team-news timing, whether the match is confirmed at the originally scheduled kick-off, and any late clarity on squad strength or rotation typical of early-round European qualifiers. With the settlement window closing at 18:30 UTC, any official line-ups, venue confirmations, or postponement notices close to kick-off are more relevant than broad season-long form, because those are the events most likely to move an extreme 0% price back towards the kind of mid-range probabilities seen in match models.[1][3]

Sources: 1 · 2 · 3

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 PolyGram, which mirrors the Polymarket order book directly.

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.

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.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.