PolymarketCheck availabilityNo KYC2% feeVerified resolution dataWell calibratedData quality warningNo live quotes
Data as of Sep 8, 2026, 10:50 PM UTC · policy pm-quality-3
Current implied probability
400K+ 37%+5.5ptLeader of 8 outcomes
Market quality
26 / 100
Low quality24h Volume
—
Liquidity
$994.5
Low liquiditySpread
58.0 pt
Wide spreadComments
0
7d Change
-6.0 pts
Market data
Updated 5 minutes ago
Aug 18, 26, 2:22 PM UTCNov 3, 26, 12:00 PM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from South Dakota.
- If the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.
- If the results of the specified election are not definitively known by March 31, 2027, 11:59 PM ET, this market will resolve to the lowest range bracket.
- All votes certified for candidates or non-candidate options in the specified election are included.
- Invalidated or blank votes are not included.
- In ranked-choice or preferential systems, the first-round vote total will be used.
Prediction Source Comparison
Open markets
PoliticsPOLYMARKETPresidential Election Winner 2028
- JD Vance-0.1pt25%
- Alexandria Ocasio-Cortez13%
- Jon Ossoff12%
+49 more outcomes
- Total Vol
- $703.9M
- 24h Vol
- $810.8K
POLYMARKETBrazil Presidential Election
- Luiz Inácio Lula da Silva-6.0pt53%
- Flávio Bolsonaro+5.5pt45%
- Renan Santos-0.2pt1%
+16 more outcomes
POLYMARKETRepublican Presidential Nominee 2028
- J.D. Vance50%
- Marco Rubio-0.1pt20%
- Tucker Carlson3%
+39 more outcomes
- Total Vol
- $701M
KALSHI2028 Democratic presidential nominee
- Jon Ossoff17%
- Alexandria Ocasio-Cortez16%
- Gavin Newsom14%
+45 more outcomes
- Total Vol
- $213.1M
- 24h Vol
- $547.7K
POLYMARKETWhich party will gain most seats in Russian Parliamentary Election?
- United Russia (ER)+5.5pt74.3%
- New People (NL)-3.8pt21.8%
- Liberal Democratic Party of Russia (LDPR)-1.1pt3%
POLYMARKETNext French Presidential Election
- Marine Le Pen+0.3pt36.4%
- Édouard Philippe+2.0pt31.3%
- Jean-Luc Mélenchon-1.0pt12.1%
+38 more outcomes
- US announces end of Iranian blockade by which date?
- Which party will win the U.S. House?
- 2028 Republican presidential nominee
- Democratic Presidential Nominee 2028
- Russia Parliamentary Election Winner
- New Hampshire Democratic Senate nominee?
- Clarity Act (H.R.3633) signed into law in 2026?
- Prime Minister of Israel after the next election?
- South Carolina Senate winner?
- Friedrich Merz out as Chancellor of Germany before 2027?
- NH-01 Democratic nominee?
Frequently asked questions
- What are the current odds for South Dakota Senate Election: Turnout?
- Polymarket prices 400K+ at 37% as of September 8, 2026.
- When does South Dakota Senate Election: Turnout resolve?
- South Dakota Senate Election: Turnout is scheduled to resolve on November 3, 2026.
- How is South Dakota Senate Election: Turnout settled?
- Polymarket settles this market as follows: This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from South Dakota.
- Where else is South Dakota Senate Election: Turnout listed?
- The same question is also listed on Kalshi.