I can't remember whether I have mentioned Prof Allan Lichtman before in this thread but here is an article about him. [Note: the article is confusing because it is dated October 10, 2024 but some of the comments further down are referring to the time when Joe Biden was still the Democrat candidate.]

Allan Lichtman Prediction for 2024 Presidential Election: October Surprise To Derail Harris’ Chance?

"Allan Lichtman, the historian who correctly predicted the outcome of 9 out of the 10 most recent presidential elections, predicts Kamala Harris will win the upcoming presidential election.

"The 13 Keys to the White House, developed by Distinguished Professor of History Allan J. Lichtman at American University, is an analytical framework for predicting the outcome of American presidential elections. Unlike polls and poll-based projections, this model focuses on the larger picture, the consequential events during a president’s term, instead of campaigning and rhetoric."

....

The beginning of the article refers to:

"Allan Lichtman’s recent YouTube video delves into new evidence regarding Donald Trump’s relationship with Vladimir Putin."

Further down Lichtman's 13 keys are listed and a graph shows his analysis of Harris v. Trump in relation to those keys.