hline() - Pine Script Function

Overview

hline() draws a horizontal line at a constant price level. The function returns a handle you can reuse to change color, fill between lines, or delete it later.

Syntax

hline(price, title, color, linestyle, linewidth, editable, display) → hline

Parameters

Name	Type	Description
`price`	`const float`	Price level for the line. Required.
`title`	`const string`	Label shown in the Style settings.
`color`	`const color`	Line color (defaults to chart theme).
`linestyle`	`const line.style`	Line style (solid, dotted, dashed).
`linewidth`	`const int`	Line thickness.
`editable`	`const bool`	Allow users to adjust style in the settings panel. Defaults to `true`.
`display`	`const string`	Display mode (see `display.*`).

Returns

An hline object that can be passed to functions like fill() or deleted later.

Examples

//@version=6
indicator("hline example", overlay=true)

mid = plot(ta.sma(close, 50), "Mid", color=color.orange)
upperLevel = hline(ta.sma(close, 50) + ta.atr(14), "Upper", color=color.green)
lowerLevel = hline(ta.sma(close, 50) - ta.atr(14), "Lower", color=color.red)

fill(upperLevel, lowerLevel, color.new(color.teal, 90))
plot(close, "Close", color=color.blue)