• 

  45%+0.1%

  Divided-Government Gridlock

  Democrats convert their large national House vote margin into a working majority, most likely making Hakeem Jeffries speaker in January 2027. With Donald Trump still in the White House and Republicans likely retaining meaningful Senate power, markets mainly price a return to legislative gridlock rather than a sweeping policy reversal.

  Technology +0.4% · Industrials −0.2% · Finance +0.1%

• 

  25%−0.7%

  Oversight Confrontation

  A large House popular-vote margin strengthens the Democratic argument for aggressive oversight of the Trump administration. The near-term market impact is not a full policy shock, but it raises uncertainty around regulated industries and the White House’s ability to execute its agenda cleanly.

  Technology −1.0% · Finance −0.7% · Healthcare −0.5%

• 

  20%+0.5%

  Bipartisan Bargaining

  The size of the Democratic House win encourages both parties to look for limited deals that can be sold as pragmatic. The most plausible areas are appropriations, border funding, permitting reform, disaster relief, and defense or Ukraine-related packages.

  Industrials +0.9% · Energy +0.4% · Non-Energy Materials +0.4%

• 

  10%−0.2%

  Legitimacy Dispute

  Although the national result is clear, a handful of close districts could become the focus of litigation, recounts, and partisan challenges. This is a lower-probability path because the headline points to a broad Democratic margin, but it would create more near-term volatility if amplified by Trump and congressional Republicans.

  Consumer Cyclicals −0.5% · Finance −0.3% · Technology −0.2%

Each figure is the modeled move of the S&P 500 if it happens. For information only. Not investment advice.