Resolution criteria on PolyGram: This event is for the upcoming J1 100 Year Vision League game, scheduled for Sunday, May 10, 2026 between Kashiwa Reysol and Kawasaki Frontale.
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
| Kashiwa Reysol | 100% YES | 0% NO |
| Draw (Kashiwa Reysol vs. Kawasaki Frontale) | 0% YES | 100% NO |
| Kawasaki Frontale | 0% YES | 100% NO |
Kashiwa Reysol will host Kawasaki Frontale in a J1 League fixture on Sunday, 10 May 2026. The match forms part of the J-League's centenary season calendar. Currently, Polymarket's order book reflects a 100% implied probability, indicating either exceptionally tight consensus on the event's certainty or minimal liquidity at the extremes of the probability distribution.
The J1 League has maintained consistent scheduling across its domestic calendar for decades, with fixture postponements rare outside extraordinary circumstances such as natural disasters or severe weather. Kawasaki Frontale and Kashiwa Reysol have both competed continuously in the top division, making cancellation statistically unlikely. Historical precedent suggests that once matches reach the settlement window—particularly with only weeks remaining—the probability of non-occurrence drops substantially. The 100% reading on Polymarket reflects this baseline expectation rather than absolute certainty.
Traders should monitor squad availability and injury announcements from both clubs in the weeks preceding the fixture, as widespread player unavailability could theoretically trigger postponement discussions, though this remains uncommon in J1 League practice. Weather forecasts for the Kanto region in early May warrant attention, though May typhoons are infrequent. Any official J-League communications regarding fixture changes or the centenary season schedule would constitute material information. The settlement window closes on 10 May at 07:00 UTC, allowing minimal time for late-breaking developments to affect trading positions.
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 "Kashiwa Reysol vs. Kawasaki Frontale" 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.
$122K in lifetime turnover and $1.1M of resting liquidity puts this market in the top 30% 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 $122K 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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