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Indicator · Pine Script v6 · Own pane
Rolling Sum
This indicator calculates and plots a rolling sum of an input price series over a specified lookback period in a separate pane.
GitHub stars99on the repository
Pine versionv6current
Lines of code57
Settings2inputs
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
57 lines of Pine Script v6 from lib/statistics/sum/sum.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("Rolling Sum", "SUM", overlay=false)
//@function Calculates Rolling Sum over a period using Kahan-Babuška algorithm
//@param source Series to calculate sum from
//@param length Number of bars to sum
//@returns Rolling sum of the last 'length' values
rolling_sum(series float source, simple int length) =>
// Persistent state
var float sum = 0.0
var float c = 0.0 // First-order compensation
var float cc = 0.0 // Second-order compensation
float val = nz(source, 0.0)
float oldVal = bar_index >= length ? nz(source[length], 0.0) : 0.0
// Kahan-Babuška subtract old value
if bar_index >= length
float yS = -oldVal - c
float tS = sum + yS
c := tS - sum - yS
sum := tS
float zS = c - cc
float ttS = sum + zS
cc := ttS - sum - zS
sum := ttS
// Kahan-Babuška add new value
float yA = val - c
float tA = sum + yA
c := tA - sum - yA
sum := tA
float zA = c - cc
float ttA = sum + zA
cc := ttA - sum - zA
sum := ttA
sum
// ---------- Main loop ----------
// Inputs
i_length = input.int(14, "Length", minval=1)
i_source = input.source(close, "Source")
// Calculation
sum_value = rolling_sum(i_source, i_length)
// Equivalent built-in for comparison (disabled by default)
// sum_builtin = math.sum(i_source, i_length)
// Plot
plot(sum_value, "Sum", color=color.yellow, linewidth=2)
Overview
Rolling Sum implements the Kahan-Babuška algorithm to maintain numerical precision and mitigate floating-point errors across rolling additions and subtractions. The primary settings allow traders to adjust the calculation length and the price source. As a pure statistical calculation tool, the script generates no direct trade signals, entry orders, or alert conditions, serving strictly as a technical utility indicator.
- Kahan-Babuška algorithm calculation
- Rolling sum over customizable period
- Floating-point error compensation
- Configurable length and source inputs
Details
Published by
mihakralj on GitHub
Type
Indicator, Pine Script v6
Draws
Separate pane below the 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.
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 |
|---|---|---|---|
| Length | int | 14 | i_length |
| 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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