OST=091500; //Observation Start Time
OET=091500; //Observation End Time
Currtime=TimeNum(); //get current time
ob_end = Cross(TimeNum(),OET); //detect the observation end time
ob_st = Cross(TimeNum(),OST); //detect the observation start time
Highest_since = HighestSince(ob_st,H,1); //capture the 5 minute high
Lowest_since = LowestSince(ob_st,L,1); //capture the 5 minute low
ORBH = ValueWhen(ob_end ,Highest_since,1);
ORBL = ValueWhen(ob_end ,Lowest_since,1);
Plot(ORBH,"",colorGreen);
Plot(ORBL,"",colorRed);