Resolution criteria on PolyGram: More markets for the Primeira Liga game, scheduled for May 16 at 10:30 AM 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
| FC Porto (-1.5) | 46% YES | 54% NO |
| CD Santa Clara (-1.5) | 12% YES | 89% NO |
| FC Porto (-2.5) | 26% YES | 75% NO |
| CD Santa Clara (-2.5) | 12% YES | 89% NO |
| O/U 0.5 | 88% YES | 13% NO |
| O/U 1.5 | 77% YES | 23% NO |
| O/U 2.5 | 53% YES | 47% NO |
| O/U 3.5 | 30% YES | 70% NO |
FC Porto will face CD Santa Clara in a Primeira Liga fixture on 16 May 2026, with kick-off scheduled for 10:30 AM ET. The current order book on Polymarket is pricing the YES outcome at 46%, reflecting meaningful uncertainty about the market's resolution criteria. This probability has formed through real-time trading activity, with the spread between bid and ask orders indicating how traders are currently valuing the proposition relative to available information.
Porto finished the 2024–25 season as title contenders, whilst Santa Clara typically competes in the lower half of the Primeira Liga table. Historical matchups between these sides show Porto winning roughly 70–75% of encounters, though late-season fixtures can carry different dynamics depending on final standings and team motivation. The 46% probability suggests traders are pricing in either a specific resolution criterion (such as a draw or Santa Clara victory) or meaningful uncertainty about how the market will ultimately settle.
Traders should monitor team news regarding injuries and squad rotation in the weeks leading to the fixture, particularly for Porto given their likely involvement in European competition. The timing of this match—potentially in a final-day scenario—could affect both sides' intensity and tactical approach. Clarification of the exact settlement criteria from the market creator remains essential, as the current probability's interpretation depends entirely on what constitutes a YES resolution. Any official announcements regarding league scheduling or team circumstances should be tracked through Portuguese football sources and official Primeira Liga communications.
Futebol Clube do Porto, MHIH, OM, commonly known as FC Porto or simply Porto, is a Portuguese professional sports club based in Porto. It is best known for the professional football team playing in the Primeira Liga, the top flight of Portuguese football.
Futebol Clube do Porto, an association football team based in Porto, is the most decorated Portuguese team in international club competitions. They have won two UEFA Champions League titles, two UEFA Europa League titles, one UEFA Super Cup, and two Intercontinental Cups, for a total of seven international trophies. In addition, they were Cup Winners' Cup ru
Futebol Clube do Porto B, commonly known as Porto B, is a Portuguese professional football team, which serves as the reserve side of FC Porto. They compete in the Liga Portugal 2, the second division of Portuguese football, and play their home matches at the CTFD PortoGaia main pitch.
The FC Porto–Sporting CP rivalry is considered one of the most important rivalries in Portuguese football. Porto and Sporting are based in the cities of Porto and Lisbon, respectively, and both compete in the Primeira Liga, the top tier of the Portuguese football league system.
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 "FC Porto vs. CD Santa Clara - 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.
$47 in lifetime turnover and $27K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
Last 24 hours alone saw $47 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 16 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.
Explore more prediction market odds and trading opportunities on PolyGram: