ADR for past 5 Days Upper Range = Day Open + Absolute value of ((5 days ago High - 5 days ago Low + 4 days ago High - 4 days ago Low + 3 days ago High - 3 days ago Low + 2 days ago High - 2 days ago Low + 1 day ago High - 1 day ago Low)/5)/2 Lower Range = Day Open - Absolute value of ((5 days ago High - 5 days ago Low + 4 days ago High - 4 days ago Low + 3 days ago High - 3 days ago Low + 2 days ago High - 2 days ago Low + 1 day ago High - 1 day ago Low)/5)/2