KalshiCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedCurrent implied probability
No 70%
Market quality
46 / 100
Low quality24h Volume
—
Liquidity
$908.5
Low liquidityBid / Ask
24.0% / 29.0%
Spread
5.0 pt
Moderate spreadMarket data
Updated 4 minutes ago
Mar 11, 26, 2:00 PM UTCJan 1, 27, 3:00 PM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
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PolymarketRules
If any sitting member of the United States Congress has announced that they have changed or will change their political party affiliation after Mar 11, 2026 and before 2027, then the market resolves to Yes.
- This Payout Criterion includes a member switching from partisan affiliation to independent, or independent to a given political party.
- This Payout Criterion also includes a member of Congress announcing that they will run for the next Congressional office, or in another future political campaign, in a different party's primary.
- For purposes of this Contract, partisan affiliation encompasses national party affiliations, and does not encompass regional political party affiliation.
- For example, a member announcing that they intend to join the Democratic Party instead of the Democratic-Farmers-Labor Party will not satisfy the Payout Criterion.
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?
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- 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
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- 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?
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Frequently asked questions
- What are the current odds for Will anyone else in Congress change parties in 2026??
- Kalshi prices No at 70% as of September 8, 2026.
- When does Will anyone else in Congress change parties in 2026? resolve?
- Will anyone else in Congress change parties in 2026? is scheduled to resolve on January 1, 2027.
- How is Will anyone else in Congress change parties in 2026? settled?
- Kalshi settles this market as follows: If any sitting member of the United States Congress has announced that they have changed or will change their political party affiliation after Mar 11, 2026 and before 2027, then the market resolves to Yes.