Will the Republican Party hold exactly 48 Senate seats after the 2026 midterm elections?
Current price
16.5¢
±0¢ · 24h
Implied probability 16.5%
$74.2K total volume · YES/NO
Low gotcha risk
Gotcha risk — resolution-rule assessment
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The rules provide comprehensive definitions for calculating the party seat count, clearly addressing potential edge cases such as runoff elections, vacancies, party switching, and independent members caucusing with Republicans. Resolution may be delayed into January following the election if runoffs occur or if newly elected independent senators do not immediately announce their caucus intentions. The outcome relies on official records from state election officials and the United States Congress alongside a consensus of credible reporting, leaving minimal room for unexpected interpretations.
- Wording ambiguity
- Low
- Source discretion
- Med
- Timing risk
- Med
- Exceptional clauses
- Low
Liquidity
Deep book at the daily check: a spread of 1¢ or less and at least $50K of orders within 5¢ of the mid.
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 48 seats in the United States Senate following the 2026 midterm elections.
How it resolves
The market resolves Yes if the Republican Party holds exactly 48 Senate seats in the upcoming 120th Congress resulting from the 2026 midterm elections. The market resolves No if the Republican seat count is any number other than 48. Contested seats are attributed to the party under which the candidate was elected, regardless of post-election party switches or vacancies. Uncontested seats reflect the party holding them on election day. Vacant seats without scheduled elections default to the party of the most recent holder. Independents count if they formally caucus or announce intent to caucus with Republicans; if undetermined, resolution can wait until January 4, 2027, at 11:59 PM ET, after which unannounced independents count for no party. Runoffs after November 2026 are included. Resolution is decided by official information from state electoral authorities, the United States Congress, and a consensus of credible reporting.
Key dates
- Election cutoff date: — Date as of which scheduled elections and vacancies are assessed.
- Election Day: — Date of the 2026 United States midterm elections.
- Independent caucus determination deadline: — Deadline at 11:59 PM ET for independent members to announce caucus intent.
Resolution source
Official information from relevant state electoral authorities, the United States Congress, and a consensus of credible reporting.
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