Resolution criteria on PolyGram: This event is for the upcoming Eredivisie game, scheduled for Sunday, May 17, 2026 between PEC Zwolle and Feyenoord Rotterdam.
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
| PEC Zwolle | 20% YES | 80% NO |
| Draw (PEC Zwolle vs. Feyenoord Rotterdam) | 21% YES | 80% NO |
| Feyenoord Rotterdam | 61% YES | 40% NO |
PEC Zwolle will host Feyenoord Rotterdam in an Eredivisie fixture on Sunday, 17 May 2026. The market is pricing a 20% probability that Zwolle wins outright, with settlement at 12:30 UTC on match day. Feyenoord enters as the heavy favourite; the club has finished in the top three of the Eredivisie for five consecutive seasons and won the league title in 2024. Zwolle, by contrast, has spent most recent campaigns in mid-table, finishing 10th in 2024–25. The 20% implied probability reflects the substantial quality gap between the sides and Feyenoord's superior squad depth and European competition experience.
Historical matchups between these clubs show Feyenoord's dominance. In their last five league meetings, Feyenoord won four and drew one; Zwolle has not beaten them in the league since 2016. The current order book on Polymarket reflects this asymmetry, with YES liquidity thinning as odds move deeper out-of-the-money. Traders should monitor team news in the fortnight before the fixture—particularly injury updates for Feyenoord's attacking players and any late-season fixture congestion affecting either side's preparation. Zwolle's form in April and early May will signal whether they can sustain any momentum into this final-day encounter, though historical precedent suggests the probability will remain anchored near current levels absent material squad disruptions.
Prins Hendrik Ende Desespereert Nimmer Combinatie Zwolle, commonly known as PEC Zwolle, is a Dutch professional football club based in Zwolle, Netherlands. They play in the Eredivisie, the top tier of Dutch football. They have played in the Eredivisie for a total of 22 seasons, reaching sixth place in 2015. They won the KNVB Cup in 2014 and also reached the
This market settles from the official outcome published at https://eredivisie.nl/competitie/speelschema. 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 "PEC Zwolle vs. Feyenoord Rotterdam" 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.
$242 in lifetime turnover and $46K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is strong — order books support five-figure trades with single-cent slippage.
Last 24 hours alone saw $30 in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
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://eredivisie.nl/competitie/speelschema. 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 17 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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