Accounts that are issued a Margin Call, hold any expiring options positions, or are potentially subject to Dividend Risk will receive a text message notification in addition to an email. Our texting feature allows you to respond to our Trade Desk via text message quickly. However, if you would like to opt-out and stop receiving these notifications, then reply STOP. Please note by opting out, we no longer can receive text messages from you whenever you text us. You can opt back into text messaging by texting UNSTOP to us at 312-724-7075.