Resolution criteria on PolyGram: More markets for the Brazil Serie B game, scheduled for May 10 at 3:00 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
| Londrina EC (-1.5) | 0% YES | 100% NO |
| São Bernardo FC (-1.5) | 100% YES | 0% NO |
| Londrina EC (-2.5) | 0% YES | 100% NO |
| São Bernardo FC (-2.5) | 0% YES | 100% NO |
| O/U 1.5 | 100% YES | 0% NO |
| O/U 2.5 | 100% YES | 0% NO |
| O/U 3.5 | 100% YES | 0% NO |
| O/U 4.5 | 0% YES | 100% NO |
Londrina EC will face São Bernardo FC in a Brazil Serie B fixture on 10 May 2026 at 3:00 PM ET. This market is pricing additional betting opportunities around the match outcome, with the current order book on Polymarket showing a 0% implied probability for the YES position. The zero probability reflects either minimal liquidity at present or strong consensus against the specific outcome being priced.
Serie B matches typically attract moderate trading volume on prediction markets, particularly when involving mid-table or lower-ranked clubs. Historical precedent suggests that markets for Brazilian second-division fixtures often remain illiquid until closer to kickoff, with probabilities shifting materially once team news and injury reports circulate. The current 0% reading should be interpreted as a liquidity gap rather than certainty; similar markets have seen substantial repricing in the 48 hours before match day as traders enter positions and information becomes available.
Key catalysts will include official team sheets released in the days preceding the match, any injury announcements affecting key players, and recent form data from both clubs' preceding fixtures. Traders should monitor the CBF (Confederação Brasileira de Futebol) fixture calendar and official club communications for squad updates. The settlement window closes at 19:00 UTC on 10 May, allowing approximately 16 hours post-kickoff for final result confirmation. Liquidity and pricing discovery typically accelerate once the match enters its final week.
Londrina Esporte Clube, more commonly referred to as Londrina, is a Brazilian professional football club in Londrina, Paraná, which currently plays in Série B, the second tier of Brazilian football, after being promotion from Série C in 2025. They also play in the Campeonato Paranaense, the top division of the Paraná state football league.
Londrina–Gov. José Richa Airport is the airport serving Londrina, Brazil. It is named after José Richa (1934–2003), former mayor of Londrina and governor of Paraná.
The Church of Jesus Christ of Latter-day Saints was established in Brazil in 1926 with the opening of the South American Mission. Missionary work was focused on small German immigrant colonies in South Brazil. The LDS Church was forced to expand missionary work to Brazilians and Portuguese speakers when non-Portuguese languages were banned in public meetings
Londrina is a city located in the north of the state of Paraná, Brazil, and is 388 km north-west of the state capital Curitiba. It is the second largest city in the state and fourth largest in the southern region of the country, with 555,965 inhabitants in the whole municipality (2022).
This market settles from the official outcome published at https://www.cbf.com.br/futebol-brasileiro/competicoes/campeonato-brasileiro-serie-b. 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 "Londrina EC vs. São Bernardo FC - 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.
$17K in lifetime turnover and $0 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.
Last 24 hours alone saw $3K 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 around 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-b. 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 10 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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