Delta is Change in GLV as a percent. GLV is Unrealised + Cash. ( ( glv now – glv ( Yesterday | Friday | Last Month ) ) / glv ( Yesterday | Friday | Last Month ) ) ) * 100 If it shows n/a, that generally means there was not a value for the beginning of the period.. Eg. if looking at Delta Week and the position was opened after previous Friday..
How is Delta Day, Week, Month Calculated?