Resolution criteria on PolyGram: This event is for the upcoming Brazil Série A game, scheduled for Sunday, May 17, 2026 between CA Paranaense and CR Flamengo.
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
| CA Paranaense | 28% YES | 72% NO |
| Draw (CA Paranaense vs. CR Flamengo) | 27% YES | 74% NO |
| CR Flamengo | 44% YES | 56% NO |
On 17 May 2026, CA Paranaense will host CR Flamengo in a Brazil Série A fixture. The current order book on Polymarket prices a Paranaense victory at 28 per cent implied probability, reflecting the substantial gap in recent form and league standing between the two clubs. Flamengo enters as the clear favourite, with the away win priced substantially higher and the draw capturing the remainder of the market's conviction.
Historically, Flamengo's superior resources and consistency in the Brazilian top flight have made them reliable favourites in most matchups, particularly in away fixtures where they maintain competitive depth. Paranaense, whilst a established Série A side, typically operates with tighter margins and has struggled to generate consistent results against the league's elite. The 28 per cent probability for a home win reflects this structural disadvantage rather than any recent upset trend; Paranaense would need to overturn a considerable form deficit to secure three points.
Key variables for traders centre on squad availability in the weeks preceding the match. Injuries to either side's key players—particularly Flamengo's attacking contingent—could shift the probability meaningfully. Fixture congestion in May, including potential Copa do Brasil or continental commitments, may affect rotation decisions and player fatigue. Monitor official team news from both clubs' media channels and Brazilian sports outlets in the fortnight before settlement, as late-stage lineup changes frequently move markets in Série A fixtures.
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 "CA Paranaense vs. CR Flamengo" are the same as any other PolyGram 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.
$3K in lifetime turnover and $45K of resting liquidity puts this market in the below the median by volume for soccer contracts on PolyGram. Order-book depth is strong — order books support five-figure trades with single-cent slippage.
Last 24 hours alone saw $167 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 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 17 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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