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Indicator · Pine Script v6 · On the chart
Cumulative Moving Average
This indicator plots a cumulative moving average, also called a running mean, of a chosen price series on the price chart.
GitHub stars99on the repository
Pine versionv6current
Lines of code33
Settings1inputs
LicenceApache-2.0
Last update4 weeks ago27 Sep 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 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
33 lines of Pine Script v6 from lib/statistics/cma/cma.pine, published under Apache-2.0. Keep the author's credit and licence lines when you reuse it.
// Licensed under the Apache License, Version 2.0
// © mihakralj
//@version=6
indicator("Cumulative Moving Average", "CMA", overlay=true)
//@function Calculates Cumulative Moving Average (Running Average / Cumulative Mean)
//@param source Series to calculate CMA from
//@returns CMA value - running mean of all historical values
cma(series float source) =>
// Persistent state
var float mean = 0.0
var int count = 0
float val = nz(source, mean)
count += 1
// Welford's algorithm: M_n = M_(n-1) + alpha * (x_n - M_(n-1))
float alpha = 1.0 / count
float delta = val - mean
mean := mean + alpha * delta
mean
// ---------- Main loop ----------
// Inputs
i_source = input.source(close, "Source")
// Calculation
cma_value = cma(i_source)
// Plot
plot(cma_value, "CMA", color=color.yellow, linewidth=2)
Overview
Cumulative Moving Average updates one bar at a time with Welford's method, weighting each new value by one over the bar count so the line is the mean of all historical values from the start of the chart. The only setting selects the source series, which defaults to close. It does not generate entries, exits, or risk levels.
- Cumulative running mean of all bars
- Welford online mean update
- Configurable source input
- Yellow overlay line on the price chart
Details
Published by
mihakralj on GitHub
Type
Indicator, Pine Script v6
Draws
On the price chart
Category
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
algorithmic-tradingcsharpdotnetpinescriptpythonquantitative-financesimdta-libtechnical-analysistechnical-indicators
Settings
The inputs you can change from the gear icon on the chart. Defaults are the author's.
| Setting | Type | Default | Variable |
|---|---|---|---|
| Source | source | close | i_source |
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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