Possible scenario
Democratic Congress Flip
46% Chance
The Economist/YouGov result reinforces a broader polling trend showing Democrats well ahead on the generic ballot and Trump at record-high strong disapproval. The most likely outcome is that Democrats convert the national environment into control of both the House and Senate, though the size of the Senate majority remains constrained by the 2026 map.
Initial impacts
- 10-year Treasury yield Down
- Market volatility Up
- Riskier companies' borrowing costs Up
Secondary impacts
- Energy -0.7%
- Finance -0.5%
- Healthcare -0.4%
- Utilities
Portfolio impact
S&P 500-0.4%
Each figure is the modeled move of the S&P 500 if the outcome occurs. For information only. Not investment advice.
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