PolymarketCloses · in 17 daysPart of Which party will win the House in 2026? →

Will the Democratic Party control the House after the 2026 Midterm elections?

Current price

90.5¢

±0¢ · 24h

Implied probability 90.5%
$10.4M total volume · YES/NO

7-day range 90.5–90.5¢

Low gotcha risk

Gotcha risk — resolution-rule assessment

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The rules clearly define chamber control as securing a majority of voting seats in the 2026 midterms, with an explicit fallback to the party of the first elected Speaker of the House if no party achieves an outright majority. Specific edge cases are comprehensively addressed, including the treatment of runoffs, party switches prior to congressional organization, and independent members who announce intentions to caucus with a party. While close races or runoff elections could extend the timeline until official certifications or early January, the resolution criteria and sources—relying on state election authorities, congressional records, and consensus reporting—leave minimal room for ambiguity or unexpected outcomes.

Wording ambiguity
Low
Source discretion
Low
Timing risk
Low
Exceptional clauses
Low

Liquidity

High tradability

Deep book at the daily check: a spread of 1¢ or less and at least $50K of orders within 5¢ of the mid.

Book depth $5.7M within 5¢ of mid
Price history range

Price history

Market price
88¢90¢92¢94¢17:0101:0008:5816:56
88¢90¢92¢94¢Oct 10Oct 13Oct 15Oct 17
80¢85¢90¢95¢Jul 22Aug 20Sep 18Oct 17

Why it moved

No big moves in the last 7 days.

Resolution rules

This market will resolve according to 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 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 chamber. All House elections in the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th Congress are included. Where a seat is decided by a runoff, the runoff result will determine attribution of that seat. Seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation, or vacates their seat, between election day and the formal organization of Congress, the seat is attributed to the party under which the member was elected. House members elected as independents who formally caucus with, or, for newly elected members, who announce their intent to caucus with, a party are included in that party’s count. If the caucus decisions of members of the House elected as independents cannot be determined on the date of the election, this market may remain open until the earlier of (i) an announcement from the relevant members of their intents to caucus, or (ii) January 4th, 11:59 PM ET of the following calendar year. If no such announcement is made by January 4th, 11:59 PM ET of the following calendar year, the member will not count towards the seat count of any party. The resolution sources for this market will be official information from relevant state electoral authorities, the United States Congress, and a consensus of credible reporting.

Rules history

Rules history is not displayed yet.

Market explained

This market measures whether the Democratic Party will control the United States House of Representatives after the 2026 midterm elections. If no party achieves a majority of voting seats, control is determined by the party affiliation of the first elected Speaker of the House for the 120th Congress.

How it resolves

The market resolves Yes if the Democratic Party wins a majority of the House voting seats in the 2026 midterm election for the 120th Congress, or, if no party reaches a majority, if the first elected Speaker of the House is affiliated with the Democratic Party. The market resolves No if another party secures control under these same conditions. Seats are credited to the party under which members were elected, including runoff outcomes; subsequent party switches or vacancies prior to formal organization do not alter this attribution. Independents who caucus with or announce intent to caucus with a party are counted toward that party's total. If an independent's alignment is undetermined, resolution may wait until their announcement or January 4th at 11:59 PM ET of the following calendar year, after which unaligned members count for neither party. Resolution is determined using official information from state electoral authorities, the United States Congress, and a consensus of credible reporting.

Key dates

  • 2026 Midterm Election: House elections determine representation in the 120th Congress.
  • Independent Caucus Deadline: January 4th at 11:59 PM ET of the following calendar year is the cutoff for independent caucus announcements to count toward a party's seat total.

Resolution source

Official information from relevant state electoral authorities, the United States Congress, and a consensus of credible reporting

AI-generated analysis · google/gemini-3.7-flash ·

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