With the Republican Convention behind us, the Trump-Vance ticket is the favorite in polls and in markets where you can predict the winner of the presidential race.

The stock market has absorbed this information and more. This past Monday, when markets in New York reopened after the attempted assassination of former President Donald J. Trump on Saturday, stocks rose. They did so again on Tuesday, but fell the rest of the week.

Celebratory T-shirts are on sale, showing Mr. Trump’s defiant, blood-streaked, near escape from death, as an American flag unfurled against a blue sky.