Resolution criteria on PolyGram: This event is for the upcoming Chinese Super League game, scheduled for Saturday, June 27, 2026 between Henan FC and Shanghai Haigang 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
| Henan FC | 46% YES | 54% NO |
| Draw (Henan FC vs. Shanghai Haigang FC) | 27% YES | 73% NO |
| Shanghai Haigang FC | 27% YES | 73% NO |
Henan FC will face Shanghai Haigang FC in a Chinese Super League fixture on Saturday, 27 June 2026. The current order book on Polymarket prices a YES outcome at 46%, reflecting a near-even assessment of the match result. This probability is formed through continuous trading activity and reflects the aggregate view of market participants pricing in available information about both squads' form, injuries, and tactical setup.
Henan FC and Shanghai Haigang FC have competed in China's top division with variable consistency in recent seasons. Historical matchups between clubs of similar competitive standing in the CSL typically settle around 45–55% implied probability for either side, particularly when neither squad has established recent dominance or clear injury crises. The 46% reading suggests traders view Shanghai Haigang as slight favourites, though the margin is marginal. Recent CSL seasons have seen competitive balance shift based on squad investment and managerial changes; tracking squad news and pre-match training reports will be essential for assessing whether the current probability reflects updated roster information.
Key catalysts ahead of the settlement window closing on 27 June include official team news regarding player availability, any late managerial announcements, and weather conditions on match day. The CSL's fixture scheduling occasionally produces fixture congestion that affects squad rotation. Traders should monitor official CSL communications and club statements for squad updates in the week preceding the match, as injury confirmations or surprise absences can shift the probability materially from current levels.
Henan Football Club, currently known as Henan F.C. Jiuzu Dukang for sponsorship reasons, is a Chinese professional football club based in Zhengzhou, Henan, that competes in the Chinese Super League, the top tier of Chinese football. Henan plays their home matches at the Hanghai Stadium, located within Guancheng Hui District. Their owners are the Jianye Resid
Henan Airlines Flight 8387 was a domestic flight operated by Henan Airlines from Harbin to Yichun, Heilongjiang. On the night of 24 August 2010, the Embraer E190 operating the route crashed on approach to Yichun Lindu Airport in fog. 44 of the 96 people on board were killed. This was the first hull loss and the first fatal accident involving the Embraer E190
China's Henan Province experienced flooding between 17 and 31 July 2021 as a result of heavy rainfall. On July 20, Zhengzhou, the provincial capital, recorded 201.9 millimetres (7.95 in) of rainfall within an hour, the highest ever figure recorded since measurements began in 1951. On 2 August 2021, provincial authorities reported 302 deaths, and over 50 miss
Yu opera, or Yuju opera, sometimes known as Henan bangzi, is one of China's famous national opera forms, alongside Peking opera, Yue opera, Huangmei opera and Pingju. Henan province is the origin of Yu opera. Henan's one-character abbreviation is "豫" (yù), and thus the opera style was officially named "豫剧" (Yùjù) after the founding of the People's Republic o
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 "Henan FC vs. Shanghai Haigang 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 $1K 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 27 June 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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