Resolution criteria on PolyGram: This event is for the upcoming Brazil Serie B game, scheduled for Friday, June 12, 2026 between AC Goianiense and CR Brasil.
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
| AC Goianiense | 45% YES | 56% NO |
| Draw (AC Goianiense vs. CR Brasil) | 50% YES | 51% NO |
| CR Brasil | 46% YES | 54% NO |
AC Goianiense will travel to face CR Brasil in a Brazil Serie B fixture on Friday, 12 June 2026. The match represents a mid-season encounter in Brazil's second tier, where both clubs compete for promotion or playoff positioning. Current order book depth on Polymarket prices a Goianiense victory at 46% implied probability, reflecting moderate confidence in the away side despite home-ground disadvantage for CR Brasil.
Serie B outcomes historically show home advantage worth approximately 3–5 percentage points in win probability, though this varies substantially by squad quality and fixture congestion. Goianiense, a former top-flight club with institutional resources, typically commands higher baseline odds than lower-tier opponents. CR Brasil's recent form, injury status, and league position relative to Goianiense will determine whether the current 46% fairly values Goianiense's chances or whether the market has overweighted home-field effects. Comparable mid-table Serie B fixtures between established and emerging clubs have settled across a wide range, making historical precedent less decisive than squad-specific factors.
Traders should monitor team news releases and official lineups released 24 hours before kickoff, particularly regarding key player availability. Weather conditions in Brasília on match day may influence play style. The settlement window closes at 22:00 UTC on 12 June, allowing approximately 90 minutes post-match for final score confirmation. Liquidity and order book depth may shift substantially in the final 48 hours as match day approaches and late information emerges.
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 "AC Goianiense vs. CR Brasil" 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 $1K 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 12 June 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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