Resolution criteria on PolyGram: This event is for the upcoming Chinese Super League game, scheduled for Friday, May 15, 2026 between Shanghai Haigang FC and Zhejiang Zhiye FC.
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
| Shanghai Haigang FC | 49% YES | 51% NO |
| Draw (Shanghai Haigang FC vs. Zhejiang Zhiye FC) | 24% YES | 77% NO |
| Zhejiang Zhiye FC | 24% YES | 76% NO |
Shanghai Haigang FC will face Zhejiang Zhiye FC in a Chinese Super League fixture on Friday, 15 May 2026. The current order book on Polymarket reflects a 50% implied probability, suggesting traders view the match outcome as evenly balanced. Settlement closes at 11:35 UTC on the fixture date, allowing for real-time price discovery as team news and conditions crystallise in the hours before kick-off.
Historical context for Shanghai Haigang and Zhejiang Zhiye suggests both clubs operate at comparable competitive levels within the Super League structure. Recent seasons have seen neither side establish consistent dominance, with results often determined by form trajectory, injury status and home advantage. The 50% midpoint probability aligns with typical pricing for matches between evenly-matched sides where neither carries a clear structural advantage in squad depth or recent performance metrics.
Traders should monitor squad availability announcements and official team news in the week preceding the match, particularly regarding key player injuries or suspensions. Weather conditions in Shanghai on match day—rainfall and temperature—can materially affect playing style and goal-scoring patterns. Fixture congestion across the Super League calendar may influence rotation decisions by either manager. Any late-breaking tactical shifts or coaching changes would likely trigger repricing on the order book. The settlement window's proximity to kick-off means information flow tightens significantly in the final hours, potentially creating volatility as late-arriving data reshapes probability estimates.
This market settles from the official outcome published at https://www.csl-china.com/. 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 "Shanghai Haigang FC vs. Zhejiang Zhiye FC" 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 $7K 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.csl-china.com/. 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 15 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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