Resolution criteria on PolyGram: More markets for the Brazil Serie B game, scheduled for May 16 at 5:30 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
| Goiás EC (-1.5) | 26% YES | 75% NO |
| O/U 1.5 | 67% YES | 34% NO |
| O/U 4.5 | 13% YES | 88% NO |
| Both Teams to Score | 48% YES | 53% NO |
| Botafogo FC (-2.5) | 14% YES | 86% NO |
| Botafogo FC (-1.5) | 14% YES | 86% NO |
| Goiás EC (-2.5) | 19% YES | 81% NO |
| O/U 2.5 | 42% YES | 59% NO |
Goiás EC will face Botafogo FC in a Brazil Serie B fixture on 16 May 2026 at 5:30 PM ET. The market currently prices the "More Markets" outcome at 26% implied probability, reflecting how Polymarket's order book has been filled throughout the day. This settlement window closes at 21:30 UTC on match day, allowing traders roughly sixteen hours post-kickoff to assess the final result before resolution.
Botafogo has been the stronger side in recent Serie B seasons, typically competing for promotion with consistent league finishes. Goiás, whilst competitive, has historically occupied mid-table positions. The 26% probability suggests traders are pricing in a scenario where Botafogo's form and squad depth create an asymmetric matchup, though the compressed nature of a single fixture introduces volatility that single-game markets inherently carry. Comparable Serie B encounters between established contenders and mid-tier clubs have settled across a wide range of outcomes, making historical win rates less predictive than squad composition and current form.
Key catalysts include team news releases regarding injuries or suspensions in the fortnight before the match, as well as any mid-season managerial changes at either club. Botafogo's recent fixture congestion and travel commitments within the league schedule may affect squad rotation decisions. The order book depth on Polymarket will likely shift if either side announces significant personnel changes or if recent league results alter perceptions of relative strength. Traders should monitor official CBF (Confederação Brasileira de Futebol) communications for any fixture rescheduling, though the scheduled date remains firm as of current information.
Goiás Esporte Clube is a Brazilian sports club, best known for its association football team, located in the city of Goiânia, capital city of the Brazilian state of Goiás. Goiás has won Brazilian's second tier Série B twice, in 1999 and 2012, 29 Campeonato Goiano, 3 Copa Centro-Oeste and also its revival, the Copa Verde once in 2023. Goiás' football team has
Goiás is a municipality in the state of Goiás in Brazil. Its population was 22,381 and its area is 3,108 km2. It is the former capital of the state and preserves much of its colonial heritage. In 2002, it became a UNESCO World Heritage Site.
Miss Goiás is a Brazilian Beauty pageant which selects the representative for the State of Goiás at the Miss Brazil contest. The pageant was created in 1954 and has been held every year since with the exception of 1990 and 1993. The pageant is held annually with representation of several municipalities. Since 2024, the State director of Miss Goiás is, Péricl
Edray Herber Goins is an American mathematician. He specializes in number theory and algebraic geometry. His interests include Selmer groups for elliptic curves using class groups of number fields, Belyi maps and dessins d'enfant.
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 "Goiás EC vs. Botafogo FC - 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 $12K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
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 16 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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