Resolution criteria on PolyGram: More markets for the J1 100 Year Vision League game, scheduled for May 10 at 4:00 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
| JEF United Ichihara Chiba (-1.5) | 0% YES | 100% NO |
| FC Machida Zelvia (-1.5) | 100% YES | 0% NO |
| JEF United Ichihara Chiba (-2.5) | 0% YES | 100% NO |
| FC Machida Zelvia (-2.5) | 0% YES | 100% NO |
| O/U 1.5 | 100% YES | 0% NO |
| O/U 2.5 | 0% YES | 100% NO |
| O/U 3.5 | 0% YES | 100% NO |
| O/U 4.5 | 0% YES | 100% NO |
JEF United Ichihara Chiba will face FC Machida Zelvia on 10 May 2026 in a J1 League fixture. The match is scheduled for 4:00 AM ET, placing it during Japan Standard Time business hours. This represents one of several derivative markets created around the primary game event, allowing traders to position on secondary outcomes or related propositions beyond the standard match result, over/under, or Asian handicap markets.
The 0% implied probability on Polymarket's order book reflects either minimal liquidity in this particular derivative market or a structural mismatch between what the market is pricing and available backing. Historical patterns in J1 League derivative markets show that secondary markets often remain thin until closer to fixture dates, particularly for matches scheduled outside peak European trading hours. Comparable markets on Polymarket have seen probability shifts of 20–40 percentage points in the final 48 hours before settlement, driven by late information flow and position-squaring rather than fundamental shifts in team form.
Traders should monitor official J1 League announcements regarding team news, injury updates, or fixture confirmations through the league's website and club channels. The settlement window closes 10 May at 08:00 UTC, providing an eight-hour window after the scheduled kick-off for final confirmation. Recent fixture scheduling changes in Japanese football have been rare, but weather disruptions or administrative delays occasionally affect kick-off times. Current order book depth will determine whether this market attracts meaningful volume or remains a niche position vehicle.
JEF United Chiba , full name JEF United Ichihara Chiba and also known as JEF Chiba , is a Japanese professional football club based in Chiba, capital of Chiba Prefecture. They currently play in the J1 League, the top tier of the Japanese football league system, after promotion from the J2 League in 2025.
JEF United Chiba Ladies, also known by their full name JEF United Ichihara Chiba Ladies , is a Japanese professional women's football club that plays in the WE League.
JEF United Ichihara Chiba Reserves was a Japanese football club. It was the reserve team of J. League club JEF United Ichihara Chiba. Founded in 1995, the club played in the Japan Football League from 2006 until its closure in 2011. JEF Reserves was dissolved on 11 December 2011, owing to financial problems. They played their home games at Ichihara Seaside S
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 - 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.
$40K in lifetime turnover and $0 of resting liquidity puts this market in the around 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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