Based on PriorDayOHLC indicator. PriorWeekOHLC will draw lines on your chart: Open, Close, High, Low for the given previous week.
You can select on which day the indicator should start calculating from.
An example to access the week open value:
double priorWeekOpenPrice = PriorWeekOHLC(true,true,true,true,DayOfWeek.Monday ).PriorWeekOpen[0];
Enjoy
