PolymarketCheck availabilityNo KYC2% feeVerified resolution dataWell calibratedCurrent implied probability
Janaina Riva 72.1%+1.5ptLeader of 10 outcomesVig-adjusted: raw venue quotes summed above 100% and were normalized.
Market quality
69 / 100
Medium quality24h Volume
$235.3
Liquidity
$70.4K
High liquiditySpread
2.0 pt
Tight spreadComments
0
7d Change
-7.5 pts
Market data
Updated 7 minutes ago
Aug 17, 26, 10:03 AM UTCOct 4, 26, 6:00 AM UTC
Trends
0%
0%
0%
0%
0%
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Related questions for context, not a comparison of equivalent contracts.
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Manifold MarketsRules
The Brazilian Federal Senate election for Mato Grosso 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
PoliticsPOLYMARKETPresidential Election Winner 2028
- JD Vance-0.6pt24%
- Alexandria Ocasio-Cortez13%
- Jon Ossoff12%
+49 more outcomes
- Total Vol
- $704M
- 24h Vol
- $804.1K
POLYMARKETBrazil Presidential Election
- Luiz Inácio Lula da Silva-6.0pt53%
- Flávio Bolsonaro+5.5pt45%
- Renan Santos-0.3pt1%
+16 more outcomes
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- United Russia (ER)+5.0pt73.3%
- New People (NL)-2.7pt22.8%
- Liberal Democratic Party of Russia (LDPR)-0.9pt3%
POLYMARKETRepublican Presidential Nominee 2028
- J.D. Vance50%
- Marco Rubio-0.2pt20%
- Tucker Carlson3%
+39 more outcomes
- Total Vol
- $701.1M
KALSHI2028 Democratic presidential nominee
- Alexandria Ocasio-Cortez-1.0pt16.2%
- Jon Ossoff-2.0pt16.2%
- Gavin Newsom14.1%
+45 more outcomes
- Total Vol
- $213.4M
KALSHINew Hampshire Democratic Senate nominee?
- Chris Pappas+1.3pt100%
- Karishma Manzur-1.8pt0%
- Jared Sullivan-0.2pt0%
+3 more outcomes
- Total Vol
- $1.1M
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Frequently asked questions
- What are the current odds for Mato Grosso Senate Election: 2nd Place?
- Polymarket prices Janaina Riva at 72% as of September 9, 2026.
- When does Mato Grosso Senate Election: 2nd Place resolve?
- Mato Grosso Senate Election: 2nd Place is scheduled to resolve on October 4, 2026.
- How is Mato Grosso Senate Election: 2nd Place settled?
- Polymarket settles this market as follows: The Brazilian Federal Senate election for Mato Grosso is scheduled to take place on October 4, 2026.