Resolution criteria on PolyGram: In the upcoming Brazil Série A game between Red Bull Bragantino and EC Vitória, scheduled for May 17, 2026 at 5:30 PM ET: This event contains halftime result markets for home, draw, and away outcomes within the first 45 minutes of regular play plus stoppage time.
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
| Red Bull Bragantino | 46% YES | 55% NO |
| Draw | 46% YES | 54% NO |
| EC Vitória | 39% YES | 61% NO |
Red Bull Bragantino will host EC Vitória in a Série A fixture on 17 May 2026, with this market settling on the halftime scoreline. The 42% implied probability for a Bragantino halftime lead reflects current order book positioning on Polymarket, where traders are pricing roughly even odds between a home advantage and either a draw or away result in the opening 45 minutes.
Halftime markets in Brazilian football typically correlate with team attacking intent and defensive stability in early phases. Bragantino's home record and Vitória's away form will anchor expectations; historically, halftime favourites in Série A settle within the 35–55% range depending on squad strength and recent form. The current 42% probability sits slightly below typical home-team halftime expectations, suggesting either defensive concerns about Bragantino or confidence in Vitória's compact setup. Recent Série A halftime results show considerable variance, with draws accounting for roughly 30–35% of outcomes and away results around 20–25%, making the current split plausible but worth monitoring against team news.
Traders should track squad availability announcements in the fortnight before kick-off, particularly injury status for key attacking and defensive personnel. Fixture congestion in the Brazilian calendar often influences tactical approach; if either side faces a midweek commitment beforehand, conservative early play becomes more likely. Weather conditions on match day—humidity and pitch state at Bragantino's stadium—can affect passing accuracy and pressing intensity in the first half. Line-up confirmation typically arrives 90 minutes before kick-off, providing final adjustment opportunity for order book positioning.
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 "Red Bull Bragantino vs. EC Vitória - Halftime Result" 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 $2K 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-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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