I think if Biden wins the vote, the ruling class (through the military -- Trump's "deep state") will figure out a way to make Trumpleave.
Maybe Biden will promise not to prosecute him (and maybe NY AG James will "go along" for the good of the country) and he'll leave office and take up his position at the new version of Fox News which was his original plan when he thought he'd lose to Hillary ...
The destruction of the US economy if he stays in (with the pandemic running wild for years) will be too much for the ruling class to stand ...
If Trump contests the election we will finally see the power of the ruling class (akin to when the "wise men" went to Johnson and told him to pull back on Vietnam --- remember when he partially stopped the bombing --- signalling the end of his effort to "win"?) .....