Recent polling from Datafolha and earlier Amostragem surveys shows a technical three-way tie among incumbent senators Ciro Nogueira (PP) and Marcelo Castro (MDB) alongside federal deputy Júlio César (PSD) for the two Piauí Senate seats, with the leaders each drawing 14–16% in the latest estimulada totals amid 14–20% undecided or blank/null responses. High rejection for Nogueira has limited his growth relative to Castro, whose MDB alignment with Governor Rafael Fonteles provides organizational advantages, while Júlio César draws consistent but lower second-preference support. Traders assign Nogueira the narrowest edge for first place, reflecting name recognition and base consolidation potential in a low-information environment where late shifts among undecided voters or turnout differentials could reorder the finish. No major campaign events or endorsements have yet broken the deadlock ahead of the October vote.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedPiauí Senate Election: 1st Place
Piauí Senate Election: 1st Place
Ciro Nogueira 37%
Marcelo Castro 35%
Julio Cesar 3.5%
Alexandre Mariano <1%
$28,223 Vol.
$28,223 Vol.
Ciro Nogueira
37%
Marcelo Castro
35%
Julio Cesar
24%
Alexandre Mariano
<1%
Antônio Barros
<1%
Antônio José Lira
<1%
Cloves José
<1%
Danniel Rocha
<1%
Dionisio Carvalho
<1%
Francinaldo Leão
<1%
Jardenya Bezerra
<1%
Jorge Lopes
<1%
Maria Madalena Nunes
<1%
Missionário Evandro Craveiro
<1%
Pastor Sena
<1%
Pedro Laurentino
<1%
Tiago Junqueira
<1%
Toinho Dufrango
<1%
Major Paulo Roberto
<1%
Irmão Evandro Marques
<1%
Ciro Nogueira 37%
Marcelo Castro 35%
Julio Cesar 3.5%
Alexandre Mariano <1%
$28,223 Vol.
$28,223 Vol.
Ciro Nogueira
37%
Marcelo Castro
35%
Julio Cesar
24%
Alexandre Mariano
<1%
Antônio Barros
<1%
Antônio José Lira
<1%
Cloves José
<1%
Danniel Rocha
<1%
Dionisio Carvalho
<1%
Francinaldo Leão
<1%
Jardenya Bezerra
<1%
Jorge Lopes
<1%
Maria Madalena Nunes
<1%
Missionário Evandro Craveiro
<1%
Pastor Sena
<1%
Pedro Laurentino
<1%
Tiago Junqueira
<1%
Toinho Dufrango
<1%
Major Paulo Roberto
<1%
Irmão Evandro Marques
<1%
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 isn't definitively 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. If there is ambiguity, this market will resolve based solely on the official results as reported by the Brazilian government, specifically the Superior Electoral Court (Tribunal Superior Eleitoral, TSE) (e.g., www.tse.jus.br/eleicoes/resultados-eleicoes).
Market Opened: Aug 17, 2026, 6:05 AM ET
Resolver
0x69c47De9D...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 isn't definitively 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. If there is ambiguity, this market will resolve based solely on the official results as reported by the Brazilian government, specifically the Superior Electoral Court (Tribunal Superior Eleitoral, TSE) (e.g., www.tse.jus.br/eleicoes/resultados-eleicoes).
Resolver
0x69c47De9D...Recent polling from Datafolha and earlier Amostragem surveys shows a technical three-way tie among incumbent senators Ciro Nogueira (PP) and Marcelo Castro (MDB) alongside federal deputy Júlio César (PSD) for the two Piauí Senate seats, with the leaders each drawing 14–16% in the latest estimulada totals amid 14–20% undecided or blank/null responses. High rejection for Nogueira has limited his growth relative to Castro, whose MDB alignment with Governor Rafael Fonteles provides organizational advantages, while Júlio César draws consistent but lower second-preference support. Traders assign Nogueira the narrowest edge for first place, reflecting name recognition and base consolidation potential in a low-information environment where late shifts among undecided voters or turnout differentials could reorder the finish. No major campaign events or endorsements have yet broken the deadlock ahead of the October vote.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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