PolymarketCheck availabilityNo KYC2% feeVerified resolution dataWell calibratedCurrent implied probability
Humberto Costa 41.4%-1.0ptLeader of 12 outcomesVig-adjusted: raw venue quotes summed above 100% and were normalized.
Market quality
52 / 100
Medium quality24h Volume
$80
Liquidity
$74.9K
High liquiditySpread
6.0 pt
Wide spreadComments
0
7d Change
+8.5 pts
Market data
Updated 13 minutes ago
Aug 17, 26, 10:13 AM UTCJul 1, 27, 3:59 AM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
The Brazilian Federal Senate election for Pernambuco is scheduled to take place on October 4, 2026.
- This market will resolve according to the candidate who wins the second-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 second-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".
Open markets
PoliticsPOLYMARKETBrazil Presidential Election
- Flávio Bolsonaro+0.8pt58.8%
- Luiz Inácio Lula da Silva40.2%
- Renan Santos1%
+16 more outcomes
- Total Vol
- $153.3M
- 24h Vol
- $967.8K
POLYMARKETPresidential Election Winner 2028
- JD Vance-0.1pt21%
- Alexandria Ocasio-Cortez+0.3pt13%
- Jon Ossoff12%
+49 more outcomes
KALSHI2026 Midterms: Congress Balance of Power?
- Democrats sweep60%
- D-House, R-Senate30%
- Republicans sweep+0.3pt9%
+1 more outcomes
- Total Vol
- $18M
KALSHI2028 Democratic presidential nominee
- Jon Ossoff-1.0pt16%
- Alexandria Ocasio-Cortez-1.0pt15%
- Gavin Newsom+1.0pt14%
+45 more outcomes
- Total Vol
- $223.1M
KALSHILos Angeles Mayor winner?
- Karen Bass-5.0pt56.4%
- Nithya Raman+7.0pt43.6%
- Total Vol
- $33.2M
- 24h Vol
- $600.7K
KALSHIWhich party will win the U.S. House?
- Democratic Party-0.9pt91%
- Republican Party+0.3pt9%
- Total Vol
- $34.5M
- 24h Vol
- $564.5K
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Frequently asked questions
- What are the current odds for Pernambuco Senate Election: 2nd Place?
- Polymarket prices Humberto Costa at 41.4% as of September 22, 2026.
- When does Pernambuco Senate Election: 2nd Place resolve?
- Pernambuco Senate Election: 2nd Place is scheduled to resolve on July 1, 2027.
- How is Pernambuco Senate Election: 2nd Place settled?
- Polymarket settles this market as follows: The Brazilian Federal Senate election for Pernambuco is scheduled to take place on October 4, 2026.