How to plot horizontal lines at price levels where the price ends with a certain number

ikymerai

New member
Hi All,

New to the forum and trying to learn thinkscript...I'd like to create an indicator that plots horizontal lines at price levels where the price ends with a certain number (user input number), i.e. userPriceEndsWith = "1.50" so we want to plot horizontal lines at every price level on the chart where the price ends with "1.50"

What I'd like to do is plot horizontal lines at 1.50, 11.50, 21.50, 31.50 etc

How can one do this in thinkscript? Are there loops in the language? Any example(s) would be greatly appreciated

Thanks in advance for all your help!

Adam
 
Solution
I want to draw 2 horizontal lines across my charts (for daily and weekly views) where the high horizontal line is defined as the high of the first trading day of any week (obviously this is usually Monday unless a holiday week) and the low horizontal line is the low of the first trading day of the week. So these horizontal lines will change each week as new First Trading Day of the Week Highs and lows change. I would like the lines to persist on both daily and weekly charts.

This seems to work as you want for daily, however Monday is not available on weekly.

Screenshot 2024-08-05 095144.jpg
Code:
input show_last_only = no;
def start_day_week   = if GetWeek() != GetWeek()[1]
                       then if GetDayOfWeek(GetYYYYMMDD()) == 1...
This seems to work as you want for daily, however Monday is not available on weekly.
thats exactly what I was hoping for.....is there any way to prevent those line from drawing up or down after the end of the weeks to make it look cleaner or is the solution to use a different line pattern?
 

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thats exactly what I was hoping for.....is there any way to prevent those line from drawing up or down after the end of the weeks to make it look cleaner or is the solution to use a different line pattern?

Yes, this addition plots the horizontal lines as opposed to the default lines in the above.
hh.setpaintingStrategy(paintingStrategy.HORIZONTAL);
ll.setpaintingStrategy(paintingStrategy.HORIZONTAL);[

Full code
Screenshot 2024-08-05 140204.png
Code:
input show_last_only = no;
def start_day_week   = if GetWeek() != GetWeek()[1]
                       then if GetDayOfWeek(GetYYYYMMDD()) == 1
                            then 1
                            else 2
                       else start_day_week[1] ;
def h   = if GetDayOfWeek(GetYYYYMMDD()) == start_day_week then high(period = AggregationPeriod.DAY) else h[1];
def l   = if GetDayOfWeek(GetYYYYMMDD()) == start_day_week then low(period = AggregationPeriod.DAY) else l[1];
plot hh = if show_last_only and GetWeek() != GetLastWeek() then Double.NaN else h;
plot ll = if show_last_only and GetWeek() != GetLastWeek() then Double.NaN else l;
hh.setpaintingStrategy(paintingStrategy.HORIZONTAL);
ll.setpaintingStrategy(paintingStrategy.HORIZONTAL);
 
here is a working study
it can plot up to 5 lines above and below the reference level, at some factor

Code:
# horz_lines_increm_near_close_0

# plot some quantity of horizontal lines,
# above and below a reference price near the close.
# the ref price is a multiple of the spacing_factor, that is closest to the close.

#https://usethinkscript.com/threads/how-to-plot-horizontal-lines-at-price-levels-where-the-price-ends-with-a-certain-number.7692/#post-74052

# Line At Price
# Mobius
# Alternative to using the HighestAll() function
def barsBack = 1000;
def c = if !IsNaN(close) and IsNaN(close[-1])
        then close
        else c[1];
#plot line = if isNaN(close[-barsBack])
def line = if isNaN(close[-barsBack])
            then c[-barsBack]
            else Double.NaN;
#line.SetLineWeight(1);
#line.SetDefaultColor(Color.LIME);
#line.SetStyle(Curve.MEDIUM_DASH);

def na = double.nan;
input quantity_of_lines = 4;
def q = quantity_of_lines;

input spacing_factor = 0.5;
def basefactor = round( line/spacing_factor, 0);
def baseline = basefactor * spacing_factor;

plot b = baseline;
b.SetLineWeight(1);
b.SetDefaultColor(Color.LIME);
b.SetStyle(Curve.MEDIUM_DASH);

addlabel(1, " ", color.black);
addlabel(1, "baseline " + baseline, color.yellow);

plot line5up = if 5 > q then na else baseline + (spacing_factor * 5);
plot line4up = if 4 > q then na else baseline + (spacing_factor * 4);
plot line3up = if 3 > q then na else baseline + (spacing_factor * 3);
plot line2up = if 2 > q then na else baseline + (spacing_factor * 2);
plot line1up = if 1 > q then na else baseline + (spacing_factor * 1);

plot line1dwn = if 1 > q then na else baseline - (spacing_factor * 1);
plot line2dwn = if 2 > q then na else baseline - (spacing_factor * 2);
plot line3dwn = if 3 > q then na else baseline - (spacing_factor * 3);
plot line4dwn = if 4 > q then na else baseline - (spacing_factor * 4);
plot line5dwn = if 5 > q then na else baseline - (spacing_factor * 5);
#


AAL 5min
line spacing = 0.1
quatity of line = 4
View attachment 15738
hal_horz
Hello. Could you please assist me with tweaking this to plot the horizontal lines from a manually entered input price and add a 6th horizontal line? For example, I would like to enter my own price (534.25) then use the line spacing as it is to plot the lines.
 

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