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Privacy & Security

Report A Problem

If you are concerned about activity in your account or just have questions about the way Capital One Investing works, please contact us. Customer Service Associates are available 8:00am to 9:00pm (ET), Monday through Friday (excluding market holidays).

If you receive an email that you suspect is fraudulent, please forward it to For more information about Capital One Investing's emails, please review our Email Communication Security statement.

If you have other questions about fraud and/or internet security, you may find these resources to be useful:

If you're a Capital One Investing Customer and feel unauthorized activity has occurred in your account, it’s important to act fast. Please contact Customer Service at 800-747-2537 and print, complete and return the Unauthorized Activity Affidavit image of a PDF icon to us. Once received, we'll research your claim and contact you with the results.