#Opening Range Breakout
#http://tradethebid.blogspot.com/p/test.html
 
  input ShowORB = Yes;
input ORBRange = 30;

def Market_Open_Time = 930;
def Market_Close_Time = 1600;
def day = GetDay();
def pastOpen = If((SecondsTillTime(Market_Open_Time) > 0), 0, 1);
def pastClose = If((SecondsTillTime(Market_Close_Time) > 0), 0, 1);
def IsmarketOpen = If(pastOpen and !pastClose, 1, 0);
def firstBar = If (day[1] != day, day – 1, 0);
def secondsUntilOpen = SecondsTillTime(Market_Open_Time);
def regularHours = SecondsTillTime(Market_Close_Time);
def secondsFromOpen1 = SecondsFromTime(Market_Open_Time);
def pastOpeningRange = If(secondsFromOpen1 >= ((ORBRange - 15) * 60), 1, 0);
input marketOpenTime = 0730;
input marketCloseTime = 1600;
def closeByPeriod = close(period = “DAY”)[-1];

def secondsFromOpen = SecondsFromTime(marketOpenTime);
def secondsTillClose = SecondsTillTime(marketCloseTime);
def marketOpen = if secondsFromOpen >= 0 and secondsTillClose > 0 then yes else no;
def newDay = if !IsNaN(closeByPeriod) then 0 else 1;
def today = if GetDay() == GetLastDay() and SecondsFromTime(marketOpenTime) >= 0 then 1 else 0;

rec displayedHigh = If(high > displayedHigh[1] and IsmarketOpen and ShowORB, high, If(IsmarketOpen and !firstBar, displayedHigh[1], high));
rec displayedLow = If(low < displayedLow[1] and IsmarketOpen and ShowORB, low, If(IsmarketOpen and !firstBar, displayedLow[1], low));
rec ORHigh = If(pastOpeningRange, ORHigh[1], displayedHigh);
rec ORLow = If(pastOpeningRange, ORLow[1], displayedLow);

plot Scan = If(marketOpen and newDay and today and pastOpeningRange and IsmarketOpen and ShowORB, ORHigh, Double.NaN);