Resolution criteria on PolyGram: More markets for the Brazil Serie B game, scheduled for May 4 at 6:00 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
| Vila Nova FC (-1.5) | 0% YES | 100% NO |
| Athletic Club (-1.5) | 0% YES | 100% NO |
| Vila Nova FC (-2.5) | 0% YES | 100% NO |
| Athletic Club (-2.5) | 0% YES | 100% NO |
| O/U 1.5 | 100% YES | 0% NO |
| O/U 2.5 | 0% YES | 100% NO |
| O/U 3.5 | 0% YES | 100% NO |
| O/U 4.5 | 0% YES | 100% NO |
Vila Nova FC will face Athletic Club in a Brazil Serie B fixture on 4 May 2026 at 6:00 PM ET. The current 0% implied probability on Polymarket's order book reflects either an absence of liquidity at viable price levels or a consensus view among active traders that the outcome in question carries negligible likelihood. With the settlement window closing shortly after the match concludes, the market structure incentivises early position-taking; thin order books in niche football markets often exhibit sharp repricing once meaningful volume emerges.
Historical context for Serie B matches shows that secondary-market betting on Brazilian football typically concentrates on major clubs and high-stakes fixtures. Vila Nova and Athletic Club, whilst established sides, generate comparatively lower trading interest than top-tier clubs, which can produce extreme probability readings that reflect information scarcity rather than genuine predictive consensus. Similar markets on Polymarket have shown that 0% probabilities in low-liquidity sports pairs often shift substantially once traders with relevant match intelligence begin positioning.
Catalysts for repricing include team news, injury confirmations, and recent form data released in the days preceding the match. Traders should monitor official club announcements and Brazilian sports media for lineup changes or tactical adjustments. The fixture's placement in the domestic calendar—mid-season for Serie B—means both clubs' current league standing and playoff implications will influence betting behaviour. Settlement occurs immediately post-match, so any liquidity injection will likely occur within 48 hours of kickoff as traders finalise positions ahead of resolution.
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 "Vila Nova FC vs. Athletic Club - 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.
$21K in lifetime turnover and $0 of resting liquidity puts this market in the around 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 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 4 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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