US 2026 Midterms: Democratic Party wins Senate majority with at least 51 of 100 seats (Election Day 3 November 2026, confirmed via AP or NBC News by 7 November 2026)
Pending
✦ AI-generated prediction
Published on 15. September 2026
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Predicted for 3. November 2026
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Based on: Historical Cycle
Polymarket prices Democrats at 59% for Senate control as of 15 September 2026 ($4.5M trading volume). Nate Silver's model gives Democrats 56.5%. Republicans hold a 53-47 majority; Dems need 4 net gains. Key vulnerable Republican seats: North Carolina (Roy Cooper leading), Iowa, Ohio, Texas (structurally tough). With Trump's approval underwater and Democrats +8 on the generic ballot, the market consensus of ~59% for a Democratic Senate flip is well-calibrated. Cassandra applies a marginal discount to 58%.
Data basis for this prediction
- Polymarket: Demokraten Senatsmehrheit 59% (Stand 15.09.2026, Volumen $4,5 Mio.)
- Nate Silver / 538-Modell: Demokraten 56,5% Wahrscheinlichkeit für Senatskontrolle (September 2026)
- Republicans: 53-47-Mehrheit; Demokraten benötigen 4 Nettositze – competitive seats NC, IA, OH, TX (AP, Reuters, September 2026)
- Generischer US-Wahlblockvorteil Demokraten: +8 Punkte laut aktuellen Umfragen (Washington Post/ABC Poll, September 2026)
Verdict: Pending
This prediction is still open. It will be evaluated automatically against real-world sources after its due date.
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✦ AI
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