Resolution criteria on PolyGram: More markets for the Eredivisie game, scheduled for May 17 at 8:30 AM ET.
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 (-1.5) | 17% YES | 84% NO |
| Feyenoord Rotterdam (-1.5) | 36% YES | 65% NO |
| PEC Zwolle (-2.5) | 15% YES | 85% NO |
| Feyenoord Rotterdam (-2.5) | 25% YES | 75% NO |
| O/U 1.5 | 89% YES | 12% NO |
| O/U 2.5 | 71% YES | 30% NO |
| O/U 3.5 | 51% YES | 50% NO |
| O/U 4.5 | 31% YES | 69% NO |
PEC Zwolle will host Feyenoord Rotterdam in an Eredivisie fixture on 17 May 2026, with the match scheduled for 08:30 ET. The current order book on Polymarket reflects a 19% implied probability for the "More Markets" outcome, suggesting traders are pricing in a relatively low likelihood of this event occurring relative to alternatives in the market cluster.
Feyenoord enters the fixture as the stronger side on recent form and historical record. The Rotterdam club finished second in the 2024–25 Eredivisie season and has consistently competed for European qualification, whilst Zwolle typically occupies mid-table positions. In comparable matchups between top-six and mid-table sides late in the season, the favourites have won approximately 65–70% of encounters, with draws accounting for 20–25%. The 19% probability currently priced suggests the market is treating this outcome as a significant underdog scenario, consistent with Zwolle's historical performance gap against elite opposition.
Traders should monitor team news and injury updates in the fortnight before settlement, particularly regarding Feyenoord's squad availability for European commitments that may run concurrent with domestic fixtures. Fixture congestion in May often influences squad rotation decisions. Additionally, the final Eredivisie standings and any remaining title or European qualification implications will shape team motivation. The settlement window closes at 12:30 ET on match day, allowing for pre-match line movement as late information emerges.
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 - More Markets" 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.
$65 in lifetime turnover and $101K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
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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