PolymarketCheck availabilityNo KYC2% feeVerified resolution dataWell calibratedCurrent implied probability
450K-500K 44.2%-0.8ptLeader of 7 outcomesVig-adjusted: raw venue quotes summed above 100% and were normalized.
Market quality
57 / 100
Medium quality24h Volume
$60
Liquidity
$19.1K
Medium liquiditySpread
4.0 pt
Moderate spreadComments
0
7d Change
-0.1 pts
Market data
Updated 15 minutes ago
Aug 18, 26, 2:12 PM UTCNov 3, 26, 12:00 PM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Montana Senate Election Winner
PolymarketWho will win the 2026 Montana Senate election?
Manifold MarketsWho will win the 2026 Montana senate election?
Manifold MarketsWhich Party will win the 2026 Montana Senate race?
Manifold MarketsMontana Senate Election Margin of Victory
PolymarketMontana Senate winner?
KalshiRules
This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from Montana.
- 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.
Open markets
PoliticsPOLYMARKETDemocratic Presidential Nominee 2028
- Alexandria Ocasio-Cortez-0.6pt18%
- Jon Ossoff16%
- Gavin Newsom-0.7pt15%
+48 more outcomes
- Total Vol
- $1.3B
- 24h Vol
- $2.1M
POLYMARKETVenezuela leader end of 2026?
- Delcy Rodríguez+41.0pt56%
- Nicolás Maduro-39.9pt43%
- No Head of State-0.1pt1%
+13 more outcomes
POLYMARKETRepublican Presidential Nominee 2028
- J.D. Vance51%
- Marco Rubio+0.1pt16%
- Ron DeSantis3%
+39 more outcomes
- Total Vol
- $706.6M
KALSHI2028 Democratic presidential nominee
- Jon Ossoff16%
- Alexandria Ocasio-Cortez16%
- Gavin Newsom13%
+45 more outcomes
- Total Vol
- $221.9M
- 24h Vol
- $635.7K
KALSHI2026 Midterms: Congress Balance of Power?
- Democrats sweep-1.0pt58.6%
- D-House, R-Senate30.3%
- Republicans sweep-0.2pt10.1%
+1 more outcomes
- Total Vol
- $16.7M
POLYMARKETIsrael x Iran ceasefire continues through which date?
- July 18+0.3pt100%
- July 20+0.1pt100%
- July 22+0.5pt100%
+21 more outcomes
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- US announces end of Iranian blockade by which date?
- Trump out as President by September 30?
- Which party will win the U.S. House?
- Prime Minister of Israel after the next election?
- Which party will win the House in 2026?
- Friedrich Merz out as Chancellor of Germany by which date?
- Next French Presidential Election
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Frequently asked questions
- What are the current odds for Montana Senate Election: Turnout?
- Polymarket prices 450K-500K at 44% as of September 20, 2026.
- When does Montana Senate Election: Turnout resolve?
- Montana Senate Election: Turnout is scheduled to resolve on November 3, 2026.
- How is Montana 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 Montana.