Resolution criteria on PolyGram: This event is for the upcoming J2 100 Year Vision League game, scheduled for Sunday, May 10, 2026 between Ehime FC and Kataller Toyama.
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
| Ehime FC | 0% YES | 100% NO |
| Draw (Ehime FC vs. Kataller Toyama) | 0% YES | 100% NO |
| Kataller Toyama | 100% YES | 0% NO |
Ehime FC will face Kataller Toyama in a J2 League fixture on 10 May 2026, with the settlement window closing at 06:00 UTC that day. The current order book on Polymarket reflects a 0% implied probability for the YES outcome, indicating traders are pricing near-certain rejection of whatever condition this market specifies. Given the settlement window closes before typical match kick-off times in Japan, this likely concerns pre-match circumstances rather than the match result itself.
J2 League matches rarely fail to occur once scheduled, with fixture cancellations typically limited to extreme weather or security concerns. Historical precedent suggests that unless explicit force majeure conditions are written into the market terms, scheduled matches between established clubs proceed as planned. Both Ehime FC and Kataller Toyama are established J2 sides with consistent fixture records, making outright cancellation an outlier event.
Traders monitoring this market should track official J2 League announcements regarding fixture scheduling, weather forecasts for the Matsuyama or Toyama regions in early May, and any squad availability issues that might affect match status. The settlement window's timing—closing before typical match hours—is the critical detail determining what outcome this market actually measures. Any official league communication about rescheduling or postponement would immediately shift the probability structure from its current extreme positioning.
Ehime Football Club commonly known as Ehime is a professional football club based in Matsuyama, the capital city of Ehime Prefecture of Japan. The club will play in the J3 League, the third tier of Japanese professional football, starting from the 2026–27 season after finishing 20th in the 2025 J2 League.
Ehime F.C. Ladies (愛媛F.C.レディース) is a women's football club playing in Japan's football league, Nadeshiko Div. 1. Its hometown is the city of Matsuyama, Ehime.
FC Imabari is a Japanese football club based in Imabari, Ehime Prefecture. They currently play in the J2 League after promotion from J3 League in 2024, Japan's second tier of professional football.
Ehime Prefecture is a prefecture of Japan located on the island of Shikoku. Ehime Prefecture has a population of 1,334,841 and a geographic area of 5,676 km2. Ehime Prefecture borders Kagawa Prefecture to the northeast, Tokushima Prefecture to the east, and Kōchi Prefecture to the southeast. Ehime Prefecture also borders Hiroshima Prefecture for 74 metres (
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 "Ehime FC vs. Kataller Toyama" 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.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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