Possible scenario
GOP Firewall Holds
40% Chance
Republicans retain the Senate because the 2026 map remains structurally difficult for Democrats, even with strong ActBlue and candidate-level fundraising. GOP megadonors and outside groups narrow the advertising gap in the final stretch, especially in Texas, Georgia, and North Carolina.
Initial impacts
- Market volatility Down
- 10-year Treasury yield Up
Secondary impacts
- Energy +0.3%
- Finance +0.2%
- Healthcare +0.1%
Portfolio impact
S&P 500+0.1%
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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