Resolution criteria on PolyGram: In the upcoming Japan B League game, scheduled for April 25 at 2:35AM ET: If the Nagoya Fighting Eagles win, the market will resolve to "Nagoya Fighting Eagles". If the Nagasaki Velca win, the market will resolve to "Nagasaki Velca". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. The result will be determined based on the final score including any overtime periods.
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
| Nagoya Fighting Eagles vs. Nagasaki Velca | 0% YES | 100% NO |
The Japan B League will host Nagoya Fighting Eagles against Nagasaki Velca on 25 April at 2:35 AM ET. The current order book on Polymarket shows zero probability assigned to a Nagoya victory, suggesting either extreme confidence in a Velca win or minimal trading activity establishing a floor price. With the settlement window extending to 2 May, there remains substantial time for position accumulation before the match concludes.
Nagoya finished the 2023–24 B League season in mid-table, whilst Nagasaki has operated as a lower-tier franchise with inconsistent performance metrics. Historical matchups between these sides show competitive variance rather than dominant patterns, making zero probability assignments unusual absent recent roster changes or injury announcements. The current implied odds reflect either fresh information about team composition or simply thin liquidity in this particular market pairing.
Traders should monitor official B League announcements regarding player availability and any schedule confirmations closer to the fixture date. Nagoya's recent form heading into late April and Nagasaki's current roster status will be critical inputs; any last-minute injury disclosures or lineup adjustments could shift the probability substantially from its current extreme position. The overnight timing of the match in ET may also affect trading volume and price discovery on the order book.
This market settles from the official outcome published at https://www.bleague.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 "Nagoya Fighting Eagles vs. Nagasaki Velca" 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.
$5K 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.
As of today, traders on Polymarket price this outcome at 0%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
Resolution is sourced from https://www.bleague.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 2 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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