KalshiCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedCurrent implied probability
No 55%
Market quality
81 / 100
High quality24h Volume
$1.5K
Liquidity
$234.4K
High liquidityBid / Ask
45.0% / 46.0%
Spread
1.0 pt
Tight spreadMarket data
Updated 4 minutes ago
Dec 16, 25, 4:00 PM UTCFeb 1, 27, 3:00 PM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
If ALL of the following occur: Democrats hold 235 or more seats in the House after the 2026 midterms AND Democrats hold 51 or more seats in the Senate after the 2026 midterms, then the market resolves to Yes.
- This is a combination market requiring ALL specified outcomes to occur for the contract to pay out.
- If ANY single component resolves to No or becomes impossible, the entire contract immediately resolves to No. Each component is resolved according to its corresponding Kalshi ruleset: "Will Democrats hold 235 or more seats in the House?" uses SEATSCONGRESS, "Will Democrats hold 51 or more seats in the Senate?" uses SEATSCONGRESS.
- For economic data releases, resolution uses the first officially released value (not preliminary or revised estimates unless specified).
- All conditions must be satisfied within the specified time period.
- This market will resolve based on the composition of the U.S. House of Representatives and the Senate on February 1, 2027.
Prediction Source Comparison
2 venues currently price this market. CoinRithm's liquidity-weighted reference probability for CoinRithm reference is 45%. Quotes span about 6 percentage points between the widest venues.
CoinRithm reference 45% · 2 venues · 6 pt venue spread
Open markets
Politics
POLYMARKETDemocratic 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
- What will Trump say this week?
- 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
- Brazil Presidential Election
- Los Angeles Mayor winner?
Frequently asked questions
- What are the current odds for Blue tsunami in 2026??
- Kalshi prices No at 55% as of September 21, 2026.
- When does Blue tsunami in 2026? resolve?
- Blue tsunami in 2026? is scheduled to resolve on February 1, 2027.
- How is Blue tsunami in 2026? settled?
- Kalshi settles this market as follows: If ALL of the following occur: Democrats hold 235 or more seats in the House after the 2026 midterms AND Democrats hold 51 or more seats in the Senate after the 2026 midterms, then the market resolves to Yes.
- Where else is Blue tsunami in 2026? listed?
- The same question is also listed on Polymarket.