How old do you have to be to open an online investing account?
To open a brokerage account in the United States you must be 18. and it doesn't matter wether it's doing it in person or on-line.
If you are under 18, you can have one of your parents open a custodian account for you, using your social security number
Source(s):
industry experience
18 unless your parents/grandparents open a custodial account in your name
It varies between 18 and 21 depending on your state.
18 or have your parents do it for you.
18
