Resolution criteria on PolyGram: In the upcoming J1 100 Year Vision League game between Kashima Antlers and FC Tōkyō, scheduled for May 23, 2026 at 4:30 AM ET: This event contains halftime result markets for home, draw, and away outcomes within the first 45 minutes of regular play plus stoppage time.
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
| Kashima Antlers | 49% YES | 51% NO |
| Draw | 49% YES | 52% NO |
| FC Tōkyō | 49% YES | 51% NO |
Kashima Antlers will host FC Tōkyō on 23 May 2026 in a J1 League fixture, with this market settling on the halftime scoreline. The 49% implied probability for a Kashima home win at the interval reflects current order book positioning on Polymarket, where liquidity has formed around relatively balanced expectations for the opening 45 minutes.
Halftime markets in J1 League fixtures historically show less volatility than full-match outcomes, given the compressed timeframe and reduced opportunity for tactical adjustments. Kashima's home record and FC Tōkyō's away performance provide the primary historical anchors; both clubs' recent form heading into late May will influence whether early-match momentum favours the hosts. Draw probabilities in halftime markets typically command a modest premium relative to full-match equivalents, reflecting the genuine difficulty of scoring in constrained periods.
Traders should monitor team news and lineup announcements in the days preceding the fixture, particularly any absences among key attacking or defensive personnel. Weather conditions at Kashima's stadium on match day—humidity and temperature typical of late May in Japan—can affect early-game pace and passing accuracy. Recent J1 form trends, including whether either side enters the match on winning or losing runs, will likely drive order book shifts closer to kickoff. The settlement window closes at 08:30 UTC on 23 May, approximately four hours after the scheduled 4:30 AM ET start, allowing for any halftime clarifications before final settlement.
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 "Kashima Antlers vs. FC Tōkyō - Halftime Result" 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 $266 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 23 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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