Resolution criteria on PolyGram: This event is for the upcoming Brazil Serie B game, scheduled for Saturday, May 9, 2026 between Athletic Club and Cuiabá EC.
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
| Athletic Club | 0% YES | 100% NO |
| Draw (Athletic Club vs. Cuiabá EC) | 100% YES | 0% NO |
| Cuiabá EC | 0% YES | 100% NO |
Athletic Club will face Cuiabá EC in a Brazil Serie B fixture on Saturday, 9 May 2026. The current order book on Polymarket shows zero probability for a YES outcome, reflecting either extreme confidence in an alternative result or illiquidity at the current price. With settlement occurring at 21:00 UTC on match day, traders have a defined window to monitor live developments and adjust positions as the event approaches.
The 0% implied probability warrants scrutiny against historical Serie B match dynamics. Cuiabá has established itself as a competitive mid-table side in recent seasons, whilst Athletic Club's current standing and form will determine whether the market's pricing reflects genuine predictive consensus or sparse trading activity. In lower-liquidity markets, extreme probabilities often signal thin order books rather than certainty; comparable Serie B fixtures typically see more balanced probability distributions unless one side faces documented injury crises or administrative disruption.
Traders should monitor team news releases and official fixture confirmations through May, particularly regarding squad availability and any last-minute scheduling changes. Brazilian football governance occasionally produces fixture delays or relocations due to weather or administrative matters. Polymarket's order book depth will be critical—early movement from informed traders or significant liquidity injection could substantially shift the probability away from the current extreme. Any official announcements regarding player suspensions, managerial changes, or venue alterations in the fortnight before kick-off would represent material catalysts for repricing.
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 "Athletic Club vs. Cuiabá EC" 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.
$8K in lifetime turnover and $0 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 9 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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