Resolution criteria on PolyGram: This event is for the upcoming Brazil Serie B game, scheduled for Sunday, May 31, 2026 between Londrina EC and Vila Nova FC.
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 | 47% YES | 53% NO |
| Draw (Londrina EC vs. Vila Nova FC) | 45% YES | 55% NO |
| Vila Nova FC | 45% YES | 55% NO |
Londrina EC will face Vila Nova FC in a Brazil Serie B fixture on Sunday, 31 May 2026. The match represents a mid-season encounter in Brazil's second division, where both clubs compete for promotion or playoff positioning. Current order book activity on Polymarket prices a Londrina victory at 47% implied probability, reflecting moderate confidence in the home side's prospects.
Serie B matches between mid-table competitors typically settle around 40–50% for the favoured side, depending on recent form and head-to-head records. Londrina and Vila Nova have met multiple times in recent seasons; historical outcomes show competitive balance, with neither club establishing decisive dominance. The 47% probability suggests traders view this as a relatively even contest, though market depth and order book positioning may shift as the match date approaches and fresh team news emerges.
Traders should monitor squad availability in the weeks preceding 31 May, particularly injury announcements affecting key players on either side. Londrina's home advantage at Estádio do Café typically provides a modest edge in Serie B play. Vila Nova's recent form and any managerial changes will influence positioning closer to kickoff. Brazilian league fixtures occasionally face scheduling adjustments due to weather or administrative factors; confirmation of the fixture date and venue should be verified through official CBF channels as the settlement window approaches.
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. Vila Nova FC" 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 $2K 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-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 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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