Resolution criteria on PolyGram: In the upcoming J2 100 Year Vision League game between Giravanz Kitakyūshū and Kagoshima United FC, scheduled for May 24, 2026 at 1:00 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
| Giravanz Kitakyūshū | 50% YES | 51% NO |
| Draw | 50% YES | 51% NO |
| Kagoshima United FC | 50% YES | 51% NO |
Giravanz Kitakyūshū will host Kagoshima United FC in a J2 League fixture on 24 May 2026, with the halftime result market settling on the scoreline after 45 minutes plus stoppage time. The current order book on Polymarket reflects a 50% implied probability for the YES outcome (a Giravanz halftime lead), suggesting even odds between a home advantage scenario and either a draw or away lead at the interval. This equilibrium pricing indicates traders perceive material uncertainty in early-match momentum, typical for mid-table J2 encounters where tactical setup and first-half execution vary considerably.
Historical halftime markets in Japanese second-tier football show that home teams convert their advantage into halftime leads approximately 48–52% of the time, depending on opponent quality and recent form. Giravanz's home record and Kagoshima's away performance through the 2025–26 season will anchor expectations; teams with stronger defensive discipline tend to suppress early concessions, whilst those relying on second-half adjustments often trail at the break. The 50% midpoint on Polymarket's order book reflects this baseline distribution absent fresh team news.
Traders should monitor official squad announcements and injury reports released in the days before kick-off, as absences of key attacking or defensive personnel shift halftime scoring patterns materially. Weather conditions on match day—particularly rainfall affecting pitch conditions in Kyushu—can suppress early-match goal frequency. Settlement occurs immediately after the 45-minute mark, making live halftime data the sole determinant.
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 "Giravanz Kitakyūshū vs. Kagoshima United FC - 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 $39 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 24 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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