ZURICH. Democrats took both houses of Congress on Tuesday night, and the Swiss Market Index spent Wednesday morning pretending not to notice. That is not complacency. It is a reading of the American constitution. The president still has the veto. He still runs trade, customs, regulation and foreign policy. A Congress that cannot override him cannot, by itself, rewrite the risks a Zurich portfolio is already priced for.

The numbers from the floor are the evidence. The SMI was a few points either side of Tuesday’s close, near 14,740, while headlines described a landslide. Banks rose. A handful of defensives fell. Oil, which had done the damage to Swiss inflation in October, sat near 104 dollars for Brent, far below the highs of late October, and did not gap. If traders had believed the election changed the path of tariffs or of energy, the index would have said so before lunch. It did not.

What a Swiss investor should not infer

A veto is not a detail. It is the reason a Swiss index can ignore a landslide.

Do not infer that American politics no longer matters here. It matters when it touches the things the executive still controls: a tariff, a sanction, a decision about a war. Oddo BHF was right to call this a change of governance rather than a change of economic regime. John Plassard was also right that Trump now has to bargain with a hostile Congress while inflation, energy and the cost of money remain awkward. Those are constraints on Washington. They are not a new earnings model for Nestlé or a new rate path for the National Bank.

The temptation, after a night like this, is to promote the result into a strategy. Rotate because Swissquote’s Ipek Ozkardeskaya sees money leaving American technology. Hedge because a veto fight will be noisy. Both instincts can be true later and still be a poor trade this morning. Noise is not a position. The December assessment at the Swiss National Bank, Swiss Re’s figures on Thursday, and the fuel bill already in the October price index are closer to a Swiss portfolio than a whip count in the Senate.

Congress changed hands. The veto did not. The SMI, for once, was the calmer reader of the two facts. The argument worth having in Zurich is not whether the landslide was large. It is which American decisions can still move a Swiss price, and which ones now die on a president’s desk.