Resolution criteria on PolyGram: This event is for the upcoming Primeira Liga game, scheduled for Sunday, May 3, 2026 between Casa Pia AC and CD Tondela.
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
| Casa Pia AC | 0% YES | 100% NO |
| Draw (Casa Pia AC vs. CD Tondela) | 0% YES | 100% NO |
| CD Tondela | 100% YES | 0% NO |
Casa Pia AC will host CD Tondela in a Primeira Liga fixture on Sunday, 3 May 2026. The current order book on Polymarket shows a 0% implied probability for the YES outcome, reflecting either extreme confidence in a Tondela victory or draw, or illiquidity at the current price. With settlement occurring at 14:30 UTC on match day, traders have approximately five months to reassess positioning as the Portuguese top flight's season progresses toward its conclusion.
Both clubs occupy the lower half of the Primeira Liga table historically, though Casa Pia has shown competitive improvement since promotion. Tondela has experienced volatility in recent seasons, oscillating between mid-table finishes and relegation battles. The 0% probability on the order book is atypical for a domestic league match involving two clubs of comparable standing, suggesting either a data error, minimal liquidity at current spreads, or a significant shift in market sentiment that has not yet been reflected in meaningful volume.
Traders should monitor squad stability through the January transfer window, injury reports from both clubs in April, and final-day fixture scheduling. Any managerial changes or unexpected relegation battles involving either side could alter expected outcomes materially. Tondela's recent form and home-away splits warrant tracking through the Primeira Liga's official fixture list and Portuguese sports media coverage as May approaches. The settlement window's precision to the minute indicates live match resolution, making pre-match team news critical in the final week.
This market settles from the official outcome published at https://www.ligaportugal.pt/. 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 "Casa Pia AC vs. CD Tondela" 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.
$33K in lifetime turnover and $0 of resting liquidity puts this market in the around 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.ligaportugal.pt/. 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 3 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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