Resolution criteria on PolyGram: This event is for the upcoming J1 100 Year Vision League game, scheduled for Sunday, May 10, 2026 between JEF United Ichihara Chiba and FC Machida Zelvia.
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
| FC Machida Zelvia | 100% YES | 0% NO |
| JEF United Ichihara Chiba | 0% YES | 100% NO |
| Draw (JEF United Ichihara Chiba vs. FC Machida Zelvia) | 0% YES | 100% NO |
JEF United Ichihara Chiba will face FC Machida Zelvia in a J1 League fixture on 10 May 2026. The match forms part of Japan's top-flight football calendar under the J1 100 Year Vision League framework. Current pricing on Polymarket's order book reflects a 100% implied probability, indicating the market is pricing this event as certain to occur as scheduled.
The J1 League maintains one of the world's most reliable fixture completion records. Matches are rarely postponed or cancelled outright; when weather or other disruptions occur, rescheduling typically happens within the same season rather than resulting in fixture abandonment. Historical precedent suggests that once a J1 fixture enters the official calendar and approaches its scheduled date without explicit cancellation notices, the probability of it occurring approaches near-certainty. This dynamic explains why the current order book has settled at extreme pricing.
Traders monitoring this market should track official J1 League announcements regarding fixture changes, stadium availability, or force majeure events affecting either club. Injury crises or managerial upheaval at either side could theoretically trigger fixture postponement, though such scenarios remain uncommon. The settlement window closes on 10 May at 08:00 UTC, providing a clear deadline. Any material fixture changes would typically be announced through the J1 League's official channels or club statements weeks in advance rather than immediately before match day.
This market settles from the official outcome published at https://www.jleague.jp/en/. 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 "JEF United Ichihara Chiba vs. FC Machida Zelvia" 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.
$68K in lifetime turnover and $861K of resting liquidity puts this market in the above the median by volume for sports contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $67K 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://www.jleague.jp/en/. 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 10 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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