Resolution criteria on PolyGram: More markets for the J2 100 Year Vision League game, scheduled for May 17 at 1:00 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
| Kōchi United SC (-1.5) | 43% YES | 57% NO |
| Ehime FC (-1.5) | 38% YES | 62% NO |
| Kōchi United SC (-2.5) | 25% YES | 75% NO |
| Ehime FC (-2.5) | 27% YES | 73% NO |
| O/U 1.5 | 53% YES | 47% NO |
| O/U 2.5 | 53% YES | 48% NO |
| O/U 3.5 | 48% YES | 52% NO |
| O/U 4.5 | 40% YES | 60% NO |
Kōchi United SC will face Ehime FC on 17 May in the J2 League, Japan's second tier professional football division. The match forms part of the 100 Year Vision League campaign, a developmental initiative within the J2 structure. Settlement occurs at 05:00 UTC on 17 May, shortly after the scheduled 01:00 ET kick-off.
The current order book on Polymarket reflects a 43% implied probability for the YES outcome, suggesting meaningful uncertainty amongst traders. J2 League matches typically exhibit tighter probability distributions than lower-tier fixtures, given consistent fixture scheduling and established team performance data. Historical comparable cases show that mid-season J2 encounters between clubs of similar standing often trade in the 40–55% range for binary outcomes, depending on recent form and injury status. Kōchi and Ehime's relative league position, win-loss records, and head-to-head history will anchor how traders are pricing this particular fixture relative to broader market consensus.
Traders should monitor team news releases through mid-May for injury announcements or squad rotation decisions, particularly given the fixture's placement in the season calendar. Weather conditions at the venue may also influence tactical approaches. Recent J2 League standings updates and any official communications from either club regarding player availability will likely shift the order book in the days preceding settlement. The relatively low liquidity typical of secondary J2 fixtures means that modest position sizes can move prices meaningfully.
Kōchi United Sports Club, commonly known as Kōchi United SC is a football club based in Kōchi, the capital city of Kōchi Prefecture in Japan. They currently play in the J3 League for the 2025 season, the third tier of Japanese professional football, after promotion from the JFL in 2024.
Kochi University is one of the 86 national universities of Japan located in Kōchi, Kōchi Prefecture. The predecessors Toya-gakusha was founded in 1874, Kochi Higher School in 1922, Kochi prefecture Teacher Training Institute for Agriculture Associated School in 1923, and it was chartered as a university in 1949.
Kochi University of Technology is a prefectural university in Tosa Yamada, Kami, Kōchi, Japan. After its foundation in 1997, Professor Yasuharu Suematsu was its first president. Kochi University of Technology serves 2056 undergraduate students, 224 Master students and 74 Doctoral students.
Keachi United Methodist Church is a historic Methodist church located on Louisiana Highway 5 in Keachi in DeSoto Parish, Louisiana in northwestern Louisiana.
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 "Kōchi United SC vs. Ehime FC - 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.
$0 in lifetime turnover and $4K 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 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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