You sure can deposit money from more than one bank account. However, you can only have one bank account on file at a given time with us.
For example, if you submit a deposit request before the funds deadline for electronic funds transfers (5 PM ET) on one business day, your funds post to your Capital One Investing℠ account the next business day
At that point, you can change your bank account on file to a different bank, and set up a new funds transfer.
As a bonus, If you've connected your Capital One 360 and Capital One Investing accounts, you will be able to instantly transfer money between back and forth, in addition to the linked bank account you have on file with us.
Tip: If you set up multiple funds deposits in one day, all of the deposits are requested from the bank you have on file with Capital One Investing at 5 PM ET, which is the deadline for electronic funds transfers.