Trade: Rio Grande do Sul Governor Election Winner
Resolution criteria on PolyGram: The Rio Grande do Sul gubernatorial election is scheduled to take place in Brazil on October 4, 2026, with a runoff on October 25, 2026, if no candidate receives a majority of the valid votes in the first round. This market will resolve according to the candidate who wins this election. Temporary, interim, or placeholder governors appointed by any means before the specified election will not be considered. If the result of this election isn't known by June 30, 2027, 11:59 PM ET, the market will resolve to "Other". This market will resolve based on the result of the election, as indicated by a consensus of credible reporting.
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.
- Liquidity
- $56K
- Total Volume
- $58K
- 24h Volume
- $5K
- Open Interest
- $5K
Market outcomes
| Marcelo Maranata | 2% YES | 98% NO |
| Luciano Zucco | 37% YES | 63% NO |
| Juliana Brizola | 37% YES | 64% NO |
| Gabriel Souza | 8% YES | 92% NO |
| Luis Carlos Heinze | 0% YES | 100% NO |
| Candidate B | — | |
| Candidate D | — | |
| Candidate F | — | |
Market context
Brazil's Rio Grande do Sul will hold its gubernatorial election on 4 October 2026, with a potential runoff on 25 October if no candidate secures an outright majority in the first round. The current order book on Polymarket reflects a 2% implied probability for the YES position, indicating the market perceives substantial uncertainty or assigns low likelihood to a specific outcome materialising as written. Settlement hinges on the official election result, with the resolution window extending to 30 June 2027 to accommodate any delays in final certification.
Rio Grande do Sul's electoral history shows competitive, multi-candidate races where frontrunners often face strong challenges from regional figures and parties with local roots. The state has experienced significant political volatility in recent cycles, with incumbent governors facing headwinds from economic conditions and shifting voter coalitions. Comparable Brazilian gubernatorial races in 2022 demonstrated that polling can shift materially in the months preceding elections, particularly when candidates consolidate support or face unexpected scandals.
Traders should monitor candidate registration deadlines, campaign finance disclosures, and polling releases as the election approaches. Recent developments in Rio Grande do Sul's state economy—particularly agricultural performance and fiscal pressures—will likely influence voter sentiment. The narrow 2% probability on the order book suggests either high confidence in a particular outcome or genuine difficulty in assessing the race's trajectory given the distance to the election date. Any major political realignments at the federal level could also reshape state-level dynamics before October 2026.
Wikipedia Context
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Rio GrandeThe Rio Grande, in the United States, or the Río Bravo, in Mexico, also known as Tó Ba'áadi in Navajo, is one of the principal rivers in the Southwestern United States and in northern Mexico. The length of the Rio Grande is 1,896 miles (3,051 km), making it the fourth longest river in the United States and in North America by main stem. It originates in sout
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Rio Grande do SulRio Grande do Sul is a state in the southern region of Brazil. It is the fifth-most populous state and the ninth-largest by area and it is divided into 497 municipalities. Located in the southernmost part of the country, Rio Grande do Sul is bordered clockwise by Santa Catarina to the north and northeast, the Atlantic Ocean to the east, the Uruguayan departm
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Rio Grande Rivalry
The Rio Grande Rivalry is the name given to the New Mexico–New Mexico State rivalry and known as the Battle of I-25. It is an intercollegiate rivalry between The University of New Mexico and New Mexico State University. The rivalry began in 1894. In comparison, New Mexico was a United States Territory from September 1850 to January 1912, when it became a mem
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Rio Grande do NorteRio Grande do Norte is one of the states of Brazil. It is located in the northeastern region of the country, forming the northeasternmost tip of the South American continent. The name literally translates as "Great Northern River", referring to the mouth of the Potenji River.
How this market resolves
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a two-hour dispute window opens, and if no one stakes a counter-claim the payout is final. Contested outcomes escalate to UMA token-holder voting. Payouts clear in USDC to the winning side.
How to trade this market step by step
The mechanics for trading "Rio Grande do Sul Governor Election Winner" 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.
- Sign in on polygram.ink with your email — no full KYC under $1,500 lifetime trading volume.
- Deposit USDC on Polygon (lowest fees, ~$0.01 per transaction) or Ethereum. Funds credit after 12 confirmations.
- Pick a side. Buy YES if you believe the event will happen; buy NO if you think it won't. The current YES price reflects the market's collective probability.
- Size your position. If you stake 100 USDC at 50% YES, you'll receive shares that pay $200 if YES resolves true — a 100% gross return. If NO resolves, your shares are worth $0.
- Set risk controls (optional). Stop-loss, take-profit, and limit-order types all supported. Use the trade ticket's slippage box to cap your maximum entry price.
- Wait for resolution. When the event resolves on-chain via the UMA optimistic oracle, the winning side settles to 100¢ automatically and USDC hits your balance within seconds. Withdrawable to any wallet you control.
How active is this market?
$58K in lifetime turnover and $56K of resting liquidity puts this market in the above the median by volume for main election contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $5K 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.
Key terms
- YES / NO share
- A binary outcome token that pays $1.00 if the underlying claim resolves true (YES) or false (NO), and $0 otherwise. The market price between 0¢ and 100¢ is the implied probability.
- CLOB
- Central limit order book. The matching engine that pairs YES buyers with NO buyers (effectively the same trade). Polymarket's CLOB on Polygon executes trades on-chain via the conditional-tokens framework.
- Liquidity
- USDC capital sitting in resting limit orders inside the order book. Deeper liquidity means smaller slippage on large trades and a tighter bid-ask spread.
- UMA optimistic oracle
- The on-chain dispute system that settles each Polymarket market. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution.
- Slippage
- The difference between the displayed mid-price and your fill price. Affects market orders most; limit orders avoid slippage but may take time to fill.
- Conditional token
- ERC-1155 outcome share issued by Gnosis Conditional Tokens on Polygon. The token type that resolves to $1.00 or $0.00 at settlement.
Frequently asked questions
How does this market resolve?
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a 2-hour dispute window opens, and if uncontested the payout is final. Contested outcomes escalate to UMA token holders.
When does this market close?
This prediction market is scheduled to close on 4 October 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.
How can I trade on "Rio Grande do Sul Governor Election Winner"?
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.
What happens when the market resolves?
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.
Risk and regulatory note
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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