20 day high/low lines

[premiumseller]

Hello -

I want to draw two lines that mark the most recent 20 day high and low.

I found the following code that does that for the high:

def LastBar = HighestAll(if !IsNaN(close) then BarNumber() else Double.NaN);
def BarRem = LastBar - BarNumber();
def High65 = if !BarRem then Highest(high,period) else Double.NaN;
plot HighLine = if BarRem <= period then HighestAll(High65) else Double.NaN;
HighLine.SetPaintingStrategy(PaintingStrategy.DASHES);
HighLine.SetDefaultColor(Color.GREEN);

My question: How can I draw the line starting at the bar with the actual high (or low) instead of drawing the line across the last 20 days?

Thanks

 

[halcyonguy]

Hello -

I want to draw two lines that mark the most recent 20 day high and low.

I found the following code that does that for the high:

def LastBar = HighestAll(if !IsNaN(close) then BarNumber() else Double.NaN);
def BarRem = LastBar - BarNumber();
def High65 = if !BarRem then Highest(high,period) else Double.NaN;
plot HighLine = if BarRem <= period then HighestAll(High65) else Double.NaN;
HighLine.SetPaintingStrategy(PaintingStrategy.DASHES);
HighLine.SetDefaultColor(Color.GREEN);

My question: How can I draw the line starting at the bar with the actual high (or low) instead of drawing the line across the last 20 days?

Thanks

the original code used highestall and was complex, so i started over from scratch.

pick a period number, for how many bars back to look for the highest/lowest.
can pick to show all of the lines or start them from the highest/lowest bars.

#hilo_past20bars_startat_0

def na = double.nan;
def bn = barnumber();

def lastbar = (!isnan(close) and isnan(close[-1]));
input period = 20;
input start_lines_at_hilo = yes;

def hihi;
def lolo;
if bn == 1 or isnan(close) then {
 hihi = 0;
 lolo = 0;
} else if lastbar[-(period-1)] then {
 hihi = highest(high[-(period-1)], period);
 lolo = lowest(low[-(period-1)], period);
} else {
 hihi = hihi[1];
 lolo = lolo[1];
}

def hihi2 = if !start_lines_at_hilo then hihi
 else if hihi == high then hihi
 else hihi2[1];

def lolo2 = if !start_lines_at_hilo then lolo
 else if lolo == low then lolo
 else lolo2[1];

#plot zhihi = if hihi > 0 then hihi else na;
plot zhihi = if hihi2 > 0 then hihi2 else na;
zhihi.SetPaintingStrategy(PaintingStrategy.DASHES);
zhihi.SetDefaultColor(Color.GREEN);

plot zlolo = if lolo2 > 0 then lolo2 else na;
zlolo.SetPaintingStrategy(PaintingStrategy.DASHES);
zlolo.SetDefaultColor(Color.red);
#

 

[premiumseller]

the original code used highestall and was complex, so i started over from scratch.

pick a period number, for how many bars back to look for the highest/lowest.
can pick to show all of the lines or start them from the highest/lowest bars.

#hilo_past20bars_startat_0

def na = double.nan;
def bn = barnumber();

def lastbar = (!isnan(close) and isnan(close[-1]));
input period = 20;
input start_lines_at_hilo = yes;

def hihi;
def lolo;
if bn == 1 or isnan(close) then {
 hihi = 0;
 lolo = 0;
} else if lastbar[-(period-1)] then {
 hihi = highest(high[-(period-1)], period);
 lolo = lowest(low[-(period-1)], period);
} else {
 hihi = hihi[1];
 lolo = lolo[1];
}

def hihi2 = if !start_lines_at_hilo then hihi
 else if hihi == high then hihi
 else hihi2[1];

def lolo2 = if !start_lines_at_hilo then lolo
 else if lolo == low then lolo
 else lolo2[1];

#plot zhihi = if hihi > 0 then hihi else na;
plot zhihi = if hihi2 > 0 then hihi2 else na;
zhihi.SetPaintingStrategy(PaintingStrategy.DASHES);
zhihi.SetDefaultColor(Color.GREEN);

plot zlolo = if lolo2 > 0 then lolo2 else na;
zlolo.SetPaintingStrategy(PaintingStrategy.DASHES);
zlolo.SetDefaultColor(Color.red);
#

Thank you!!