Resolution criteria on PolyGram: In the upcoming Chinese Super League game between Shanghai Haigang FC and Tianjin Jinmen Hu FC, scheduled for May 23, 2026 at 7:00 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
| Shanghai Haigang FC | 49% YES | 52% NO |
| Draw | 49% YES | 51% NO |
| Tianjin Jinmen Hu FC | 49% YES | 52% NO |
Shanghai Haigang FC will host Tianjin Jinmen Hu FC in a Chinese Super League fixture on 23 May 2026, with settlement determined by the halftime scoreline after 45 minutes plus stoppage time. The current order book on Polymarket reflects a 49% implied probability for a Shanghai home halftime victory, suggesting near-parity between backing the hosts and alternative outcomes (draw or away win). This probability formation reflects real-time liquidity and trader positioning as the match approaches.
Halftime results in Chinese Super League matches have historically shown home advantage, though less pronounced than full-match outcomes. Shanghai Haigang's home record and Tianjin Jinmen Hu's away performance in the 2025 season provide relevant benchmarks for assessing whether the 49% probability adequately prices home-field advantage. Teams' typical first-half tactical approaches—whether aggressive or cautious—matter considerably for halftime settlement, as early-match intensity varies substantially across fixtures.
Traders should monitor team news regarding injuries or absences that affect starting lineups, which typically emerge 24–48 hours before kickoff. Weather conditions in Shanghai on match day may influence early-game tempo and defensive solidity. Recent form in the weeks preceding the fixture, particularly goal-scoring patterns in opening periods, will inform whether current pricing reflects genuine uncertainty or mispricing relative to underlying team capabilities. Fixture congestion and travel fatigue from prior matches also shape halftime dynamics.
Shanghai Haichang Ocean Park is a theme park owned by Haichang Ocean Park Holdings and located in the Chinese municipality of Shanghai. The grand opening of the park took place on November 16, 2018. The park is Haichang Ocean Park Holdings' second theme park in the country. Shanghai Haichang Ocean Park is themed to the ocean and its marine life and features
Shanghai Tobacco Group Co., Ltd. is a subsidiary of state-owned China Tobacco. The company produced Chunghwa, Double Happiness, Zhongnanhai and other brands. The company is also a minority shareholder of Bank of Communications, Orient Securities, Haitong Securities and China Pacific Insurance Company via Shanghai Haiyan Investment Management.
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. Tianjin Jinmen Hu 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 $45 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 23 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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