Resolution criteria on PolyGram: In the upcoming Brazil Série A game between CR Vasco da Gama and CA Mineiro, scheduled for May 31, 2026 at 3:00 PM ET: This market will resolve based on the final score of the CR Vasco da Gama vs. CA Mineiro match originally scheduled for May 31, 2026 at 3:00 PM ET, considering only the result at the end of 90 minutes of regulation plus stoppage time; extra time and penalty shoot-outs are excluded. If the actual score is not one of the explicitly listed outcomes, the market resolves to "Any Other Score." If the match is postponed, the market will remain open until it is completed; if it is canceled with no make-up game, the market resolves to "0-0." The primary resolution source for this…
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: 1-0 | 48% YES | 52% NO |
| Exact Score: 0-2 | 48% YES | 52% NO |
| Exact Score: 1-1 | 48% YES | 52% NO |
| Exact Score: 2-0 | 48% YES | 53% NO |
| Exact Score: 0-3 | 48% YES | 52% NO |
| Exact Score: 1-2 | 48% YES | 52% NO |
| Exact Score: 2-1 | 48% YES | 53% NO |
| Exact Score: 3-0 | 48% YES | 52% NO |
CR Vasco da Gama will face CA Mineiro in a Brazil Série A fixture on 31 May 2026 at 3:00 PM ET. The market settles on the exact final score at the conclusion of 90 minutes plus stoppage time, with any unspecified scoreline resolving to "Any Other Score." The 48% implied probability on Polymarket's order book reflects the combined weight of all explicitly listed outcomes—typically the most common scorelines in Brazilian top-flight football—against the residual probability assigned to less frequent results.
Exact-score markets in Série A typically show that outcomes clustering around 1–0, 1–1, 2–1 and 2–0 results account for roughly 55–65% of matches, depending on the teams' defensive records and home-field advantage. Vasco da Gama's recent form and Mineiro's defensive stability will shape which specific scorelines traders favour. The current 48% probability suggests the listed outcomes are being priced as moderately likely but not dominant, leaving meaningful probability mass for "Any Other Score"—a common pattern when neither side is heavily favoured to win by a narrow margin.
Traders should monitor team news, injury reports and squad availability in the weeks preceding the match, as absences among key defenders or forwards can shift expected goal distributions. Fixture congestion in the Brazilian calendar and any weather warnings closer to the date may also influence tactical approach and scoring likelihood. Polymarket's order book will tighten as match day approaches and more precise information on lineups becomes available.
This market settles from the official outcome published at https://www.cbf.com.br/futebol-brasileiro/competicoes/campeonato-brasileiro-serie-a. 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 "CR Vasco da Gama vs. CA Mineiro - 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 $255 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.cbf.com.br/futebol-brasileiro/competicoes/campeonato-brasileiro-serie-a. 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 31 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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