Indicator · Pine Script v6 · Own pane

Rate of Change Percentage (ROC)

by mihakralj

The ROC indicator calculates the percentage change in price from the current bar to N bars ago.

View on GitHub

GitHub stars99on the repository
Pine versionv6current
Lines of code30
Settings2inputs
LicenceApache-2.0
Last update4 weeks ago27 Sep 2026

Add It to Your TradingView Chart

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

Source Code

30 lines of Pine Script v6 from lib/momentum/roc/roc.pine, published under Apache-2.0. Keep the author's credit and licence lines when you reuse it.

roc.pine
// Licensed under the Apache License, Version 2.0
// © mihakralj
//@version=6
indicator("Rate of Change Percentage (ROC)", "ROC", overlay=false)

//@function Calculates percentage Rate of Change between current price and N periods ago
//@param source Source price series
//@param length Lookback period
//@returns Percentage price change value
roc(series float source, simple int length)=>
    if length<=0
        runtime.error("Length must be greater than 0")
    var int count = 0
    float change = na
    if not na(source[count]) and source[count] != 0
        change := 100 * (source - source[count]) / source[count]
        count := math.min(count + 1, length)
    change

// ---------- Main loop ----------

// Inputs
i_source = input.source(close, "Source")
i_length = input.int(9, "Length", minval=1)

// Calculate ROC
float roc_val = roc(i_source, i_length)

// Plot
plot(roc_val, "ROC", color=color.yellow, linewidth=2)

Overview

Rate of Change Percentage (ROC) draws the resulting values in a separate pane on the chart. The main setting allows selection of a price source such as close and a length parameter that controls the lookback period. No entry or exit signals are provided since it is an indicator rather than a strategy.

Details

Published by

mihakralj on GitHub

Type

Indicator, Pine Script v6

Draws

Separate pane below the chart

Category

Oscillators & momentum

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

algorithmic-tradingcsharpdotnetpinescriptpythonquantitative-financesimdta-libtechnical-analysistechnical-indicators

Settings

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

SettingTypeDefaultVariable
Sourcesourceclosei_source
Lengthint9i_length
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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