Resolution criteria on PolyGram: More markets for the Primeira Liga game, scheduled for May 11 at 3:15 PM ET.
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
| CD Santa Clara (-1.5) | 100% YES | 0% NO |
| CD Nacional (-1.5) | 0% YES | 100% NO |
| CD Santa Clara (-2.5) | 0% YES | 100% NO |
| CD Nacional (-2.5) | 0% YES | 100% NO |
| O/U 0.5 | 100% YES | 0% NO |
| O/U 1.5 | 100% YES | 0% NO |
| O/U 3.5 | 0% YES | 100% NO |
| O/U 2.5 | 0% YES | 100% NO |
CD Santa Clara and CD Nacional will meet in Portugal's Primeira Liga on 11 May at 3:15 PM ET, with settlement determined by whether additional betting markets materialise for this fixture. The current order book on Polymarket reflects a 19% implied probability of "yes," suggesting traders assess it as unlikely that supplementary markets will be offered beyond standard match outcomes and spreads.
Historical precedent shows that Polymarket's coverage of Portuguese league fixtures varies considerably depending on match significance and anticipated trading volume. Encounters between mid-table or lower-ranked sides typically attract fewer derivative markets than high-stakes derbies or title-deciding matches. Santa Clara and Nacional's relative league positions and their distance from European qualification spots will influence whether bookmakers and market operators deem additional markets commercially viable. Previous Primeira Liga seasons indicate that markets proliferate around fixtures with playoff implications or involving Lisbon's "big three" clubs.
Traders should monitor team news and injury updates in the fortnight preceding the match, as these can shift perceived match competitiveness and thus market operator appetite. Polymarket's own liquidity patterns and competitor platforms' offerings will also signal whether infrastructure exists for expanded markets. Any announcement from the exchange regarding new market categories or partnerships with Portuguese football data providers could shift probabilities materially. The settlement window closes shortly after kickoff, leaving minimal time for late-stage market additions.
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 "CD Santa Clara vs. CD Nacional - More Markets" 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.
$28K in lifetime turnover and $323K of resting liquidity puts this market in the around the median by volume for sports contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $28K in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
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 11 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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