If you're somebody that likes to look at their receipt after you purchase something to make sure you were probably charged, then you probably noticed a cash transfer line item titled "Regulatory Fee Adjustment" appear in your History tab at the end of each week. Adjustments made to your account can be a debit or a credit. When there is trading activity, fee adjustments are applied on a weekly basis to make up for the rounding of fees that are reconciled at the end of the week. Below is an example of what a Regulatory Fee Adjustment looks like on in the History tab of the desktop platform.