This Pine Script v5 library provides an exported function to calculate moving averages directly over float arrays. Users can supply a sample array, set the smoothing length, choose whether to omit initial values prior to reaching the lookback window, and speci
Library · Pine Script v6 · Library
Bands
This library exports a Band type and functions that build a simple-moving-average basis with upper and lower envelopes from standard deviation.
GitHub stars26on the repository
Pine versionv6current
Lines of code35
Settings0inputs
LicenceAGPL-3.0
Last update2 months ago21 Aug 2026
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 library, select all of the template text and paste. Press Save and give it a name.
- 4Publish or import itA library draws nothing. Publish it from the editor, then import its functions in your own scripts.
Source Code
35 lines of Pine Script v6 from examples/pine-libs/alice/bands/1.pine, published under AGPL-3.0. Keep the author's credit and licence lines when you reuse it.
//@version=6
library("Bands")
// A library may import OTHER libraries (resolved from the same on-disk tree).
import alice/mathx/1 as mx
// An exported user-defined type (UDT).
export type Band
float basis = 0.0
float upper = 0.0
float lower = 0.0
// An exported enum.
export enum Side
Above
Below
Inside
// An exported method — callable via receiver dispatch: `b.width()`.
export method width(Band self) =>
self.upper - self.lower
// An exported function returning a UDT instance.
export compute(float src, int len, float mult) =>
basis = ta.sma(src, len)
dev = mult * ta.stdev(src, len)
Band.new(basis, basis + dev, basis - dev)
// Takes an imported-UDT parameter and returns an enum member.
export classify(float src, Band bnd) =>
src > bnd.upper ? Side.Above : src < bnd.lower ? Side.Below : Side.Inside
// Uses the TRANSITIVELY-imported MathX library.
export zWidth(float src, int len, float mult) =>
math.abs(mx.zscore(src, len)) * mult
Overview
Bands classifies a source as above, below, or inside those envelopes, measures band width, and scales an imported z-score by a multiplier. Callers supply source, length, and multiplier. It draws nothing and has no inputs of its own.
- Exported Band type with basis and envelopes
- SMA and standard-deviation band calculation
- Above, below, or inside classification
- Band width method
- Z-score width via imported MathX
Details
Published by
heyphat on GitHub
Type
Library, Pine Script v6
Draws
Library (no plots)
Category
Volatility & bands, Moving averages
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.
Topics
backtestingindicatorspine-scriptpinescripttechnical-analysistradingtradingviewtypescript
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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