Will the Republican Party hold exactly 51 Senate seats after the 2026 midterm elections?

Current price

7.5¢

−1.5¢ · 24h

Implied probability 7.5%
$236.7K total volume · YES/NO

7-day range 7.5–9¢

Low gotcha risk

Gotcha risk — resolution-rule assessment

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The rules provide thorough and clear mechanics for calculating the seat count, explicitly addressing potential complications such as vacant seats, runoffs, post-election party switches, and independent senators who caucus with the party. Resolution timing may be delayed past election day if runoffs occur or if independent members have not formally announced their caucus intentions, with a defined cutoff of January 4 following the election. The deciding evidence relies on official election authorities, congressional records, and credible media reporting.

Wording ambiguity
Low
Source discretion
Low
Timing risk
Med
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 $130.6K within 5¢ of mid
Price history range

Price history

Market price
7¢8¢9¢10¢18:3602:3510:3318:31
7¢8¢9¢10¢Oct 12Oct 15Oct 17Oct 19
5¢10¢15¢20¢Jul 22Aug 21Sep 20Oct 19

Why it moved

No big moves in the last 7 days.

Resolution rules

This market will resolve according to the Republican Party’s seat count in the United States Senate as a result of the 2026 United States midterm election scheduled for November 3, 2026. The seat count includes all regular and special Senate elections that determine representation in the upcoming 120th Congress and are scheduled to take place in November 2026 as of October 31, 2026. Runoffs for qualifying elections will determine attribution of the relevant seat, even if they take place after November 2026. Vacant seats for which no election or special election to fill the seat is scheduled to take place in November 2026 as of October 31, 2026 will be treated as held by the party affiliation of the most recent member to hold that seat. For seats contested in the specified election, 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. For seats not contested in the specified election, seats are attributed to the party that holds the seat as of the date of the election. If a current sitting member of the U.S. Senate who is not up for election changes party affiliation or vacates their seat after the date of the election, the seat is attributed to the party under which the member was affiliated at the time of the election. Senate members elected as independents who formally caucus with, or, for newly elected members, who announce their intent to caucus with, the Republican party are included in the count. If the caucus decisions of members of the Senate 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 Republican Party will hold exactly 51 seats in the United States Senate following the November 2026 midterm elections.

How it resolves

The market resolves Yes if the Republican Party holds exactly 51 Senate seats as a result of the 2026 midterm elections. It resolves No if the Republican seat count is any other number. Contested seats are attributed to the party under which the candidate was elected, including runoffs, regardless of post-election party switches or vacancies. Uncontested seats are attributed to the party holding them on election day. Vacant seats with no scheduled November 2026 election are attributed to the party of the most recent holder. Independents count if they formally caucus or announce intent to caucus with Republicans by January 4th, 11:59 PM ET of the following year; otherwise, they are excluded from party counts. Resolution is decided using official information from state electoral authorities, the United States Congress, and a consensus of credible reporting.

Key dates

  • Election schedule cutoff: — Deadline to determine which elections/special elections are scheduled for November 2026.
  • Election Day: — Date of the 2026 United States midterm election.
  • Independent caucus announcement deadline: — Deadline at 11:59 PM ET for independent members to announce intent to caucus.

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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