Polymarket, a major online prediction platform, presents a swing state presidential forecast that differs from current national poll aggregators.

With a debate and a second assassination attempt in the rearview mirror, the Harris-Trump contest is by any measure too close to call.

Vice President Kamala Harris leads former President Donald Trump in a string of post-debate surveys that found voters believe she outperformed the former president—but not enough to significantly shift the race in her favor.