This is more of an info post for any future tickets or issues. And this may well affect some or many other brokerages.
I posted a ticket back on Oct 21st about Simplifi balances for SoFi not matching with SoFi.
I think I found the issue: SoFi balances use pre and post market share prices for most of the holdings. The extended hour prices are often 0.5% or more higher or lower than closing.
Anyway, I just wanted to pass this along to you.