When you select the Stock series type in the Designer, the DATA ITEMS area displays four data item placeholders. Stock series require four measures to be provided.
•Open - the price at the beginning of the specified period (the left tick mark).
•High - the maximum price within the specified period (the top of the series point).
•Low - the minimum price within the specified period (the bottom of the series point).
•Close - the price at the end of the specified period (the right tick mark).