Is there an age requirement to open a brokerage account? February 24, 2020 18:12 Updated Follow Yes, you must be 18 years old. Related articles Does SoFi offer Custodial account options? Can I combine my Automated Investing and Active Investing accounts into one? How does SoFi Invest make money off of brokerage accounts? Why did my price change after I placed my trade or Why didn’t my trade execute? Do you offer UTMA or UGMA accounts?