Prediction markets / Midterms / Control of Congress

2026 Congressional Balance of Power

D-House and D-Senate49¢
D-House and R-Senate41¢
R-House and R-Senate17¢
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1D
1W
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Timeline

Trading hours
24 hours a day, except Thursday 3AM-5AM ET
Event day
November 3, 2026
Contract resolves
Determines the outcome of the contract
Payout
Usually within 1 hour of event resolution

About

Who will be the Party to control the U.S. House and control the U.S. Senate following the 2026 election?Contracts resolve based on which party controls the U.S. House and which party controls the U.S. Senate following the 2026 Congressional election, together determining one of four outcomes: Democratic House and Democratic Senate, Democratic House and Republican Senate, Republican House and Democratic Senate, or Republican House and Republican Senate. Control of the U.S. House is established by the party affiliation of the Speaker of the House on the Expiration Date, including any Independent who formally caucuses with that party's congressional caucus. Control of the U.S. Senate is established by the party affiliation of the President Pro Tempore on the Expiration Date, including any Independent who formally caucuses with that party's congressional caucus. Resolution for each chamber occurs once the first determination is recorded by the Source Agency; any subsequent revision will not affect settlement once determined. If the Speaker of the House position is vacant on the Expiration Date, resolution for the House is based on the party affiliation of the Speaker Pro Tempore; if neither has been designated, the Expiration Date is delayed until one is serving. If the Source Agency has not announced a result for either chamber by the Expiration Date, contracts will remain open until both results are released. In the event a result cannot be determined for either chamber, the contract will be settled to fair market value as determined by Rothera.Get $1 for every contract you own if your prediction is correct. Or close your position before the event resolves. Additional fees apply. Read the full contract terms and conditions

Trading prohibitions

  • Candidates for federal or statewide public office.
  • Paid campaign staffers on Congressional campaigns.
  • Paid employees of Democratic and Republican Party organizations, such as the Democratic Congressional Campaign Committee or the Republican National Committee.
  • Paid employees of Political Action Committees (PACs) and “Super PACs”.
  • Paid employees of major polling organizations. The Exchange shall determine which polling organizations constitute “major” and may modify that determination at any time.
  • Existing members of Congress, including those not running for re-election.
  • Existing paid staffers of members of Congress.
  • Household members and immediate family members (siblings, children, and parents) of any of the above.
  • Any of the above listed institutions themselves.

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Event contracts are offered by Robinhood Derivatives, LLC through either KalshiEX LLC, ForecastEX, LLC or Rothera Exchange and Clearing LLC.