Resolution criteria on PolyGram: This event is for the upcoming Czechia Fortuna Liga game, scheduled for Sunday, May 3, 2026 between AC Sparta Praha and FK Jablonec.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| AC Sparta Praha | 100% YES | 0% NO |
| Draw (AC Sparta Praha vs. FK Jablonec) | 0% YES | 100% NO |
| FK Jablonec | 0% YES | 100% NO |
AC Sparta Praha will face FK Jablonec in a Czechia Fortuna Liga fixture on Sunday, 3 May 2026. The current order book on Polymarket reflects a 100% implied probability, indicating that traders are pricing this match as a certainty to occur as scheduled. This extreme probability typically signals either near-complete confidence in match completion or minimal trading volume, leaving the book vulnerable to repricing once additional liquidity enters.
Historically, Czech domestic league fixtures have maintained high completion rates, with weather disruptions and fixture cancellations remaining rare in May. Sparta Praha, as the league's dominant side in recent seasons, commands strong institutional interest in their fixtures, which can amplify order book depth and tighten spreads. Comparable May-scheduled matches in the Fortuna Liga over the past three seasons have settled at or near their scheduled dates, though injury crises or administrative sanctions have occasionally forced postponements within 48 hours of kickoff.
Traders should monitor official team announcements regarding squad availability, particularly any late injury disclosures or disciplinary actions that might affect fixture status. The Czech Football Association's fixture calendar and any weather alerts for the Prague region in early May warrant attention. Polymarket's settlement criteria typically require the match to be played on the scheduled date; any postponement would likely trigger settlement disputes. Current 100% pricing leaves no margin for the small but non-zero risk of last-minute cancellation, suggesting the book may be inefficiently priced relative to historical postponement frequencies.
This market settles from the official outcome published at https://www.fortunaliga.cz/. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
The mechanics for trading "AC Sparta Praha vs. FK Jablonec" are the same as any other PolyGram sporting event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$11K in lifetime turnover and $0 of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
Resolution is sourced from https://www.fortunaliga.cz/. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
This prediction market is scheduled to close on 3 May 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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