Resolution criteria on PolyGram: In the upcoming Chinese Super League game between Qingdao Xihaian FC and Shanghai Shenhua FC, scheduled for May 30, 2026 at 6:00 AM ET: This market will resolve based on the final score of the Qingdao Xihaian FC vs. Shanghai Shenhua FC match originally scheduled for May 30, 2026 at 6:00 AM ET, considering only the result at the end of 90 minutes of regulation plus stoppage time; extra time and penalty shoot-outs are excluded.
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
| Exact Score: 0-0 | 49% YES | 52% NO |
| Exact Score: 0-1 | 49% YES | 52% NO |
| Exact Score: 1-0 | 49% YES | 52% NO |
| Exact Score: 0-2 | 49% YES | 52% NO |
| Exact Score: 1-1 | 49% YES | 52% NO |
| Exact Score: 2-0 | 49% YES | 52% NO |
| Exact Score: 0-3 | 49% YES | 52% NO |
| Exact Score: 1-2 | 49% YES | 52% NO |
Qingdao Xihaian FC will face Shanghai Shenhua FC in a Chinese Super League fixture on 30 May 2026. The market settles on the exact final score after 90 minutes plus stoppage time, with any unmatched scoreline resolving to "Any Other Score." Current order book activity on Polymarket implies a 49% probability for the YES outcome, suggesting moderate confidence in a specific result materialising, though the distributed nature of possible scorelines typically creates substantial tail risk in exact-score markets.
Exact-score markets in domestic football leagues historically reflect wide probability distributions across plausible outcomes. Shanghai Shenhua, a historically stronger Shanghai-based club with greater investment capacity, typically commands higher win probabilities in head-to-head fixtures than Qingdao Xihaian. However, exact-score markets compress this advantage across multiple possible results: a Shenhua victory might distribute across 1–0, 2–0, 2–1 and other permutations, fragmenting the probability mass. The 49% reading suggests the market is pricing either a single dominant scoreline or aggregated probability across several outcomes, with substantial liquidity concentrated on fewer results.
Traders should monitor team news and squad availability in the weeks preceding the fixture, particularly injury updates to key attacking and defensive personnel. Recent Chinese Super League scheduling has occasionally shifted match dates due to international commitments and fixture congestion. Confirmation of the exact kick-off time and any weather alerts closer to the date will refine pricing. Historical head-to-head records and current league standings as of May 2026 will provide context for expected goal differentials and tactical approaches.
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 "Qingdao Xihaian FC vs. Shanghai Shenhua FC - Exact Score" 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 $320 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 30 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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