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This market will resolve according to the party that wins control of the United States Senate and the party that wins control of the United States House of Representatives in the 2026 United States midterm election. A party wins control of the United States Senate if it wins a majority of the chamber’s voting seats. If no party wins a majority of voting seats, the party that wins control of the chamber is the party that wins half of the voting seats and holds the Vice Presidency. If the outcome remains ambiguous after applying the above criteria, the chamber will be deemed controlled by the party with which the first selected President Pro Tempore of the Congress that convenes after the specified election is affiliated. A party wins control of the United States House of Representatives if it wins a majority of the chamber’s voting seats. If no party wins a majority of voting seats, the chamber will be deemed controlled by the party with which the first elected Speaker of the House of the Congress that convenes after the 2026 midterm election is affiliated. The following rules govern the counting of seats for determining which party wins control of the chambers. For determining …
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Headline 1 of 6: The 2026 midterms, explained: What’s at stake for Trump, Congress, and the balance of power
Where to trade
Polymarket is the live partner CTA (AgeGate + tracked /r). Kalshi and Novig stay SoftCta / Not listed until written deals — we never invent odds.
Compare venues · CTA when AgeGate clears
Polymarket live · others SoftCta / Not listed — no invented prices
Leading: Democrats Sweep
Market change · 24h
+0.0 pts
Yes probability vs ~24h ago (Polymarket CLOB)
Yes probability over time
Updated 4 Nov, 18:36 EEST
Balance of power after 2026 election? · D House & Senate
| Platform | Yes | No | 24h | Vol / Liq | CTA |
|---|---|---|---|---|---|
| 71.5%Lead | — | 0.0pp | $52.33M $13.48M liq | ||
| No match yet | |||||
| 99.0% | 1.0% | +1.0pp | — — liq | ||
| Not listed | |||||