Two different polls of potential Pennsylvania voters, one by Cygnal and one by Emerson College, both gave Trump a one-point lead in the key state with 19 Electoral College votes. A separate poll from the Napolitan News Service gave the former president a one-point lead across the country.

After Joe Biden quit the race and gave Harris his support on July 21, Harris quickly became the Democratic Party’s front-runner for the presidency. At first, this gave Democrats a clear poll boost. In more than a dozen national polls, Harris did better than Trump, and she became the favorite to win in November with many of the biggest bookies.