You can do the following:- 1 min - look back 5 (5 min) up to 15 (15 min) 5 min - look back 3 (15 min) up to 12 (1 hour) 15 min - look back 4 (1 hour) up to 16 ( 4 hours) 1 hour - look back 4 (4 hours) up to 8 (8 hours - 1 trading session) 4 hour - look back 2 (8 hours - 1 trading session) up to 6 ( 1 Day) 1 day - look back 5 ( 1 week)