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Related questions for context, not a comparison of equivalent contracts.
Which Party will win the 2026 Senate Election in Virginia?
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Which Party will win the 2026 Senate Election in Iowa
Which party will win the U.S. Senate?
Balance of Power: 2026 Midterms
Rules
Additional context — Updated Oct 2, 2026
This market's rules have been updated for clarity.
This market will resolve according to the party that wins control of the United States Senate 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.
The following rules govern the counting of seats for determining which party wins control of the chamber.
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 are included.
For seats contested in the specified election, seats are 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.
3 venues currently price this market. CoinRithm's cross-venue reference probability for Democratic Party is 65%. The venue spread is about 1 percentage point. The venues do not agree on which outcome is ahead.
CoinRithm reference Democratic Party 65% · 3 venues · 1 pt venue spread
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https://api.coinrithm.com/api/prediction-markets/events/limitless/which-party-will-win-the-senate-in-2026-1785850263367AI agents: call pm_data_event on the CoinRithm MCP server:
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