Resolution criteria on PolyGram: This event is for the upcoming J2 100 Year Vision League game, scheduled for Sunday, May 10, 2026 between Gainare Tottori and Giravanz Kitakyūshū.
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
| Gainare Tottori | 0% YES | 100% NO |
| Draw (Gainare Tottori vs. Giravanz Kitakyūshū) | 100% YES | 0% NO |
| Giravanz Kitakyūshū | 0% YES | 100% NO |
Gainare Tottori will travel to face Giravanz Kitakyūshū in the J2 League on 10 May 2026. The J2 League is Japan's second-tier professional football division, comprising 20 clubs competing in a single round-robin format. Both sides are mid-table operators in the Japanese football pyramid, with limited recent European media coverage making real-time form assessment challenging for international traders.
The 0% implied probability on Polymarket's order book reflects either extreme confidence in a Giravanz victory or draw, or more likely, a liquidity void where no trader has yet posted a competitive bid for a Gainare win. Historical J2 League matches show home advantage typically carries 45–55% win probability depending on squad composition and seasonal momentum. Gainare's away record and Giravanz's home record in the 2025–2026 season will be material; teams in Japan's second tier exhibit significant variance in performance across venues. The settlement window closes on 10 May at 05:00 UTC, approximately 14 hours after the match concludes, allowing time for official confirmation.
Traders should monitor team news releases for injury updates and squad rotation decisions in the fortnight before the fixture. Recent J-League scheduling announcements typically arrive via the official J.League website and club channels. Weather conditions in Kitakyūshū on match day, whilst rarely decisive, can influence play style. Early-season form trends and any managerial changes at either club would shift underlying match probabilities materially from current market pricing.
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 "Gainare Tottori vs. Giravanz Kitakyūshū" 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.
$4K in lifetime turnover and $0 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 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.
Explore more prediction market odds and trading opportunities on PolyGram: