Speaking practically, I don't see a need or reason for this. I can just login to my bank and brokerage accounts and check live data on the spot.
Speaking as a Boglehead, checking on your investments frequently is usually a bad thing.
Speaking as a Boglehead, checking on your investments frequently is usually a bad thing.
First mentioned and most prominent feature is "Accounts Aggregation" on the landing page. If you don't have multiple accounts, it makes sense you don't see any need for this. But you should also realize that it's fairly common to have multiple accounts, for various of reasons.
Now, those external accounts are second-class citizens and don't get portfolio analysis and stuff like that, so there is room for improvement, but the ease of use and cost (free) is hard to beat.