Resolution criteria on PolyGram: More markets for the J1 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
| JEF United Ichihara Chiba (-1.5) | 14% YES | 86% NO |
| Kashima Antlers (-1.5) | 31% YES | 69% NO |
| JEF United Ichihara Chiba (-2.5) | 12% YES | 89% NO |
| Kashima Antlers (-2.5) | 20% YES | 80% NO |
| O/U 1.5 | 74% YES | 27% NO |
| O/U 2.5 | 49% YES | 52% NO |
| O/U 3.5 | 27% YES | 73% NO |
| O/U 4.5 | 14% YES | 86% NO |
JEF United Ichihara Chiba will face Kashima Antlers on 17 May 2026 in the J1 League, Japan's top professional football division. The match forms part of the J1 100 Year Vision League season and kicks off at 1:00 AM ET. The current order book on Polymarket prices the YES outcome at 17%, reflecting a strong lean towards the NO side. This probability is being formed through live trading activity on the platform's order book, where the spread between bid and ask reflects real-time market sentiment amongst traders positioned on both sides of the contract.
Kashima Antlers have historically been one of Japan's most successful clubs, with eight J1 League titles and consistent Champions League participation. JEF United Ichihara Chiba, whilst a long-established club, have not won the league title and typically compete in mid-table. Head-to-head records and recent form between these sides provide context for how traders are calibrating the 17% probability; Kashima's structural advantages in squad depth and European experience have historically translated into stronger performances in high-stakes fixtures.
Traders should monitor team news and injury updates in the fortnight before settlement, particularly regarding key players at either club. Recent fixture congestion in the J1 League schedule and any continental competition commitments for Kashima could affect squad rotation decisions. Weather conditions on match day and any late tactical announcements from either manager may shift the order book in the final hours before kick-off.
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. Kashima Antlers - 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 $53K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is strong — order books support five-figure trades with single-cent slippage.
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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