KalshiCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedCurrent implied probability
Democratic party 95%+0.2pt
Market quality
62 / 100
Medium quality24h Volume
$150
Liquidity
$4.7K
Medium liquidityBid / Ask
96.7% / 98.4%
Spread
1.7 pt
Tight spreadMarket data
Updated 17 minutes ago
Dec 3, 24, 3:00 PMNov 3, 27, 3:00 PM
Trends
Rules
If a representative of the the named outcome is sworn in as a Senator of Massachusetts for the term beginning in 2027, then the market resolves to Yes.
Settles via:United States Congress
- This market is eligible for accelerated determination after a consensus of media organizations project the winner.
- See full rules for details.
Prediction Source Comparison
CoinRithm reference Democrat 98% · 2 venues · 2 pt band
Open markets
PoliticsKALSHI2028 Democratic presidential nominee
- Alexandria Ocasio-Cortez16.2%
- Jon Ossoff16.2%
- Gavin Newsom+1.0pt15.2%
+44 more outcomes
- Total Vol
- $187.5M
- 24h Vol
- $987.8K
POLYMARKETBrazil Presidential Election
- Luiz Inácio Lula da Silva62.8%
- Flávio Bolsonaro32.4%
- Renan Santos+0.3pt4.9%
+29 more outcomes
- Total Vol
KALSHISouth Carolina Republican Senate special primary winner?
- Darline Graham+2.0pt64.2%
- Ralph Norman-4.0pt27.5%
- Pamela Evette0.9%
+8 more outcomes
- Total Vol
- $13.5M
POLYMARKETDemocratic Presidential Nominee 2028
- Alexandria Ocasio-Cortez18%
- Gavin Newsom15%
- Jon Ossoff+0.2pt14%
+125 more outcomes
- Total Vol
POLYMARKETPresidential Election Winner 2028
- JD Vance20%
- Alexandria Ocasio-Cortez13%
- Marco Rubio+0.4pt12%
+125 more outcomes
- Total Vol
- $690.7M
KALSHI2028 Republican presidential nominee
- J.D. Vance-1.0pt45.3%
- Marco Rubio-3.0pt21.1%
- Ron DeSantis-0.2pt5.3%
+35 more outcomes
- Total Vol
- $58.7M
- US announces end of Iranian blockade by which date?
- Next French Presidential Election
- What will Trump say during his rally with Darline Graham?
- Which party will gain most seats in Russian Parliamentary Election?
- Which party will win the U.S. House?
- 2028 U.S. Presidential Election winner?
- Brazil Presidential Election First Round: 2nd Place
- Republican Presidential Nominee 2028
- Clarity Act (H.R.3633) signed into law in 2026?
- 2026 Midterms: Congress Balance of Power?
Frequently asked questions
- What are the current odds for Massachusetts Senate winner??
- Kalshi prices Democratic party at 95% as of August 21, 2026.
- When does Massachusetts Senate winner? resolve?
- Massachusetts Senate winner? is scheduled to resolve on November 3, 2027.
- How is Massachusetts Senate winner? settled?
- Kalshi settles this market as follows: If a representative of the the named outcome is sworn in as a Senator of Massachusetts for the term beginning in 2027, then the market resolves to Yes.
- Where else is Massachusetts Senate winner? listed?
- The same question is also listed on Polymarket, Smarkets.