Currently, the odds for Trump's win is 1.6. I remember the odds were higher when I checked that a few weeks ago.
No question with his popularity since the guy somehow did a lot more compare to past administration. And if we can see gamblers really have high expectation that Trump will win read this https://www.independent.co.uk/news/world/americas/us-politics/trump-harris-betting-election-odds-b2636154.html
Although that doesn't mean it will be translated to a win, but that's a good sign already that people are for Trump. Don't know if those speculation regarding on rigged election gonna happen. But for sure they would never do that since people in the world is watching the result of this event and for sure they feel shy to cheat this since they get notice easily if there's certain suspicious incident happen.