https://coveredcallswithjeff.wordpress.com/2020/10/24/summary-of-account-activity-wk-ending-10-23-risk-and-margin-reduction-via-diagonal-roll-downs/
https://coveredcallswithjeff.wordpress.com/2020/10/24/summary-of-account-activity-wk-ending-10-23-risk-and-margin-reduction-via-diagonal-roll-downs/