Resolution criteria on PolyGram: More markets for the Brazil Serie B game, scheduled for May 23 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
| Grêmio Novorizontino (-1.5) | 40% YES | 61% NO |
| Ceará SC (-1.5) | 33% YES | 67% NO |
| Grêmio Novorizontino (-2.5) | 27% YES | 74% NO |
| Ceará SC (-2.5) | 28% YES | 72% NO |
| O/U 1.5 | 53% YES | 47% NO |
| O/U 2.5 | 52% YES | 48% NO |
| O/U 3.5 | 48% YES | 52% NO |
| O/U 4.5 | 41% YES | 60% NO |
Grêmio Novorizontino and Ceará SC will contest a Serie B fixture on 23 May 2026 at 3:00 PM ET. The current order book on Polymarket prices the YES outcome at 41%, reflecting modest backing for the proposition relative to the alternative. This probability has formed through live trading activity and represents the marginal consensus among active participants as of today.
Serie B matches between mid-table and lower-ranked clubs typically exhibit volatile pricing in the final weeks before settlement, particularly when team form shifts or injury news emerges. Historical comparable fixtures between these clubs show that home advantage carries measurable weight in Brazilian second-division play, though neither side has established consistent dominance. Recent seasons have seen Novorizontino operate as a promotion contender whilst Ceará has cycled between mid-table stability and relegation-zone struggles, creating asymmetric risk profiles that traders should weigh against current odds.
Traders should monitor official team news releases and injury confirmations through late May, as absences of key players can shift match dynamics substantially. Fixture congestion in the final stretch of the Serie B season—with multiple matches compressed into short windows—affects squad rotation decisions and fatigue levels. The settlement window closes at 19:00 UTC on match day, allowing only pre-match information to influence final pricing. Current liquidity and spread width on the order book will determine execution costs for position adjustments closer to kick-off.
Grêmio Novorizontino, commonly referred to as simply Novorizontino, is a Brazilian association football club in Novo Horizonte, São Paulo. They currently play in the Série B, the second tier of Brazilian football, as well as in the Campeonato Paulista Série A1, the first tier of the São Paulo state football league.
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 "Grêmio Novorizontino vs. Ceará SC - 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.
$0 in lifetime turnover and $3K 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 23 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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