Will Marcelo Castro win the most votes in the 2026 Piauí Senate election?
What resolves this contract
The Brazilian Federal Senate election for Piauí is scheduled to take place on October 4, 2026. This market will resolve according to the candidate who wins the most valid votes of any candidate at the specified election. Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the highest finishing position after applying this ranking. If the result of this election i
How to read the price
Prediction market prices are expressed in cents on the dollar. A YES contract trading at 40¢ means the market is pricing in a 40.5% implied probability of the event resolving YES. If resolution comes back YES, the contract pays $1. If NO, it pays $0.
Volume vs. open interest
Total traded volume ($9,917) reflects every buy and sell across the life of this contract. Open interest ($947) is the dollar value of positions currently held by traders. Deep liquidity and wide open interest are the two signals that the quoted price is reliable.
Where to trade this market
This contract is listed on Polymarket. PicksByOdds does not accept deposits, execute trades, or offer brokerage. We publish the data; you decide what to do with it.
Markets in the same story
| Market | YES | Volume |
|---|---|---|
| Will Donald Trump win the 2028 US Presidential Election? | 2¢ | $9,973,145 |
| Will Donald Trump Jr. win the 2028 Republican presidential nomination? | 1¢ | $9,615,159 |
| Will Josh Shapiro win the 2028 Democratic presidential nomination? | 5¢ | $9,612,578 |
Common questions about this market
How is this market resolved?
The Brazilian Federal Senate election for Piauí is scheduled to take place on October 4, 2026. This market will resolve according to the candidate who wins the most valid votes of any candidate at the specified election. Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the highest finishing position after applying this ranking. If the result of this election i
When does this contract expire?
This contract closes on 2026-10-04, 34 days from now. After close, the final outcome is determined per the resolution rules above, and contracts settle at $1 (winning side) or $0 (losing side).
What happens if I buy YES at 40¢?
If the event resolves YES, each YES contract pays $1, a profit of 60¢ per dollar risked. If it resolves NO, the contract pays $0 and the full 40¢ is lost. Current market price implies a 40.5% probability of YES.
Where is this market listed?
This contract is listed on Polymarket. PicksByOdds aggregates and displays public market data; we do not broker trades or custody funds.
How reliable is the quoted price?
This market has $9,917 in total traded volume and $947 in open interest. Deeper liquidity generally means tighter spreads and more reliable implied probabilities. Prices refresh multiple times per day.