Horizontal Line Bands: Free TradingView Indicator (Pine Script)

Add It to Your TradingView Chart

1Copy the scriptPress Copy script above, or the copy button on the code below.
2Open the Pine EditorOpen a TradingView chart and choose Pine Editor at the bottom of the screen.
3Paste over the templateCreate a new indicator, select all of the template text and paste. Press Save and give it a name.
4Add it to the chartPress Add to chart, then adjust the settings with the gear icon next to its name.

Source Code

122 lines of Pine Script v5 from Tradingview/horizontal-line-bands-v3.pine, published under MPL-2.0 (file header). Keep the author's credit and licence lines when you reuse it.

horizontal-line-bands-v3.pine

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © goodgains


//@version=5
indicator("Horizontal Line Bands", overlay = true, max_lines_count = 500)

// @keywords: horizontal-price-bands, mintick-offset-lines, dual-band-widths, close-anchor-lines, line-break-recalc, keep-old-lines-toggle, breach-switch-highlight, array-line-management, history-start-marker, extending-right-lines, solid-dotted-dashed-styles, configurable-line-width, band-break-detection, confirmed-bar-redraw, bar-time-lines, multi-tier-bands, line-array-rotation, price-channel-bands, interactive-line-set, breakout-band-trigger


line1_amount = input.int(2, minval = 1, title = 'Line One', group = 'Settings', inline ='1')
line1_color = input.color(color.new(color.yellow,0), title = '', group = 'Settings', inline ='1')
line1_style = input.string('Solid', title = '', options = ['Solid', 'Dotted', 'Dashed'], group = 'Settings', inline ='1')
line1_width = input.int(1, title = '', minval = 1, maxval = 5, group = 'Settings', inline ='1')

line2_amount = input.int(6, minval = 1, title = 'Line Two', group = 'Settings', inline ='2')
line2_color = input.color(color.new(color.green,0), title = '', group = 'Settings', inline ='2')
line2_style = input.string('Solid', title = '', options = ['Solid', 'Dotted', 'Dashed'], group = 'Settings', inline ='2')
line2_width = input.int(1, title = '', minval = 1, maxval = 5, group = 'Settings', inline ='2')

closeline_color = input.color(color.new(color.gray,0), title = 'Line Close', group = 'Settings', inline ='3')
closeline_style = input.string('Dashed', title = '', options = ['Solid', 'Dotted', 'Dashed'], group = 'Settings', inline ='3')
closeline_width = input.int(1, title = '', minval = 1, maxval = 5, group = 'Settings', inline ='3')

keep_old_lines = input.bool(true, title = 'Keep Old Lines', group = 'Settings', inline ='4')
color_to_switch = input.color(color.blue, title = 'Switching Color', group = 'Settings', inline ='5')


var float last_confirmed_time = na
last_confirmed_time := barstate.islastconfirmedhistory ? time : last_confirmed_time[1]
plotchar(time == last_confirmed_time ? true : false, title = 'Start Calculating', char = 'x', color = color.white)


var line_close = array.new_line(100,na)
var line1_upper = array.new_line(100,na)
var line1_lower = array.new_line(100,na)
var line2_upper = array.new_line(100,na)
var line2_lower = array.new_line(100,na)


// function to draw lines
f_drawlines(line_close, line1_upper, line1_lower, line2_upper, line2_lower) =>
    array.unshift(line_close, line.new(x1 = time, y1 = close, x2 = time+1, y2 = close, xloc = xloc.bar_time,
         extend = extend.right, color = closeline_color, width = closeline_width,
         style = (closeline_style == 'Solid' ? line.style_solid : closeline_style == 'Dashed' ? line.style_dashed : closeline_style == 'Dotted' ? line.style_dotted : line.style_solid)))

    array.unshift(line1_upper, line.new(x1 = time, y1 = close + syminfo.mintick*line1_amount, x2 = time+1, y2 = close + syminfo.mintick*line1_amount, xloc = xloc.bar_time,
         extend = extend.right, color = line1_color, width = line1_width,
         style = (line1_style == 'Solid' ? line.style_solid : line1_style == 'Dashed' ? line.style_dashed : line1_style == 'Dotted' ? line.style_dotted : line.style_solid)))

    array.unshift(line1_lower, line.new(x1 = time, y1 = close - syminfo.mintick*line1_amount, x2 = time+1, y2 = close - syminfo.mintick*line1_amount, xloc = xloc.bar_time,
         extend = extend.right, color = line1_color, width = line1_width,
         style = (line1_style == 'Solid' ? line.style_solid : line1_style == 'Dashed' ? line.style_dashed : line1_style == 'Dotted' ? line.style_dotted : line.style_solid)))

    array.unshift(line2_upper, line.new(x1 = time, y1 = close + syminfo.mintick*line2_amount, x2 = time+1, y2 = close + syminfo.mintick*line2_amount, xloc = xloc.bar_time,
         extend = extend.right, color = line2_color, width = line2_width,
         style = (line2_style == 'Solid' ? line.style_solid : line2_style == 'Dashed' ? line.style_dashed : line2_style == 'Dotted' ? line.style_dotted : line.style_solid)))

    array.unshift(line2_lower, line.new(x1 = time, y1 = close - syminfo.mintick*line2_amount, x2 = time+1, y2 = close - syminfo.mintick*line2_amount, xloc = xloc.bar_time,
         extend = extend.right, color = line2_color, width = line2_width,
         style = (line2_style == 'Solid' ? line.style_solid : line2_style == 'Dashed' ? line.style_dashed : line2_style == 'Dotted' ? line.style_dotted : line.style_solid)))


 // first time line
if time == last_confirmed_time
    f_drawlines(line_close, line1_upper, line1_lower, line2_upper, line2_lower) 


var bool redraw_lines = false
// past confirmed time
if time > last_confirmed_time

    // get line values
    line1_upper_value = line.get_y1(array.first(line1_upper))
    line1_lower_value = line.get_y1(array.first(line1_lower))

    line2_upper_value = line.get_y1(array.first(line2_upper))
    line2_lower_value = line.get_y1(array.first(line2_lower))

    // // extend x2 to current bar's time
    line.set_x2(array.first(line_close), time)
    line.set_x2(array.first(line1_upper), time)
    line.set_x2(array.first(line1_lower), time)
    line.set_x2(array.first(line2_upper), time)
    line.set_x2(array.first(line2_lower), time)

    // replace colors line 1
    if high >= line1_upper_value
        line.set_color(array.first(line1_upper), color_to_switch)
    if low <= line1_lower_value
        line.set_color(array.first(line1_lower), color_to_switch)

    // replace colors line 2 
    if high >= line2_upper_value or low <= line2_lower_value
        line.set_color(array.first(line_close), color_to_switch)
        line.set_color(array.first(line1_upper), color_to_switch)
        line.set_color(array.first(line1_lower), color_to_switch)
        line.set_color(array.first(line2_upper), color_to_switch)
        line.set_color(array.first(line2_lower), color_to_switch)

        // make new lines / delete old lines on the bars closing update
        if barstate.isconfirmed
            if not keep_old_lines
                line.delete(array.first(line_close))
                line.delete(array.first(line1_upper))
                line.delete(array.first(line1_lower))
                line.delete(array.first(line2_upper))
                line.delete(array.first(line2_lower))

            // end extension since lines aren't being deleted
            line.set_extend(array.first(line_close), extend.none)
            line.set_extend(array.first(line1_upper), extend.none)
            line.set_extend(array.first(line1_lower), extend.none)
            line.set_extend(array.first(line2_upper), extend.none)
            line.set_extend(array.first(line2_lower), extend.none)
            
            // draw new lines
            f_drawlines(line_close, line1_upper, line1_lower, line2_upper, line2_lower) 

        

// bgcolor(time > last_confirmed_time ? color.gray : na)

Overview

Horizontal Line Bands projects two tiers of upper and lower boundary lines offset from the closing price by user-specified tick amounts. Each tier allows customization of tick distances, line styles, widths, and colors. Drawn lines extend to the right and are managed dynamically using arrays, with an option to retain previous historical lines across recalculations.

Tick-based offset horizontal bands
Dual-tier upper and lower price levels
Anchor close line projection
Array-based line storage and retention toggle
Configurable line styles, widths, and colors

Details

Published by

g-moe on GitHub

Code credit

goodgains, as written in the script's header

Type

Indicator, Pine Script v5

Draws

On the price chart

Markets

Any symbol

Timeframes

Any timeframe

Risk Notes

No repainting, lookahead or stacked entries were found in its code or README. That says nothing about how well it works: test it first.

File

Tradingview/horizontal-line-bands-v3.pine

Repository

github.com/g-moe/Trading-Indicators. See its other scripts in the library

Settings

The inputs you can change from the gear icon on the chart. Defaults are the author's.

Setting	Type	Default	Variable
Line One	`int`	`2`	`line1_amount`
line1_color	`color`	`color.new(color.yellow,0)`	`line1_color`
line1_style	`string`	`Solid`	`line1_style`
line1_width	`int`	`1`	`line1_width`
Line Two	`int`	`6`	`line2_amount`
line2_color	`color`	`color.new(color.green,0)`	`line2_color`
line2_style	`string`	`Solid`	`line2_style`
line2_width	`int`	`1`	`line2_width`
Line Close	`color`	`color.new(color.gray,0)`	`closeline_color`
closeline_style	`string`	`Dashed`	`closeline_style`
closeline_width	`int`	`1`	`closeline_width`
Keep Old Lines	`bool`	`true`	`keep_old_lines`

Show all 13 settings

Setting	Type	Default	Variable
Switching Color	`color`	`color.blue`	`color_to_switch`

Third-party code. ForexR did not write, test or endorse this script, and the summary above was generated automatically from its code and README. Indicators describe the past, and a strategy's backtest can look better than live trading, especially when a script repaints. Check it in the Strategy Tester and on a demo account before you rely on it.

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