The Hampel Filter indicator identifies and filters out price outliers to smooth price data directly on the main chart. It calculates the rolling median and Median Absolute Deviation (MAD) of the chosen source series over a specified length. When a data point e
Indicator · Pine Script v4 · On the chart
Rolling deviations
This indicator plots a rolling simple moving average and a rolling median of a chosen source, plus upper and lower bands at one through five standard deviations from the mean.
GitHub stars5on the repository
Pine versionv4older, still runs
Lines of code40
Settings3inputs
LicenceNone stated
Last update8 months ago21 Feb 2026
Add It to Your TradingView Chart
- 1Copy the scriptPress Copy script above. It reads the file straight from GitHub.
- 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
The code stays on GitHub. The author has not published this script under an open licence, so ForexR does not show its code. Copy script reads the file straight from GitHub into your clipboard, so you can still try it on your own chart. Ask the author before reusing the code anywhere else.
Overview
An optional log-space setting transforms the source with a logarithm before the calculations and converts the results back for display. Length and source are the main settings. Mean and the first three deviation pairs draw on the price chart; the median and the fourth and fifth bands are hidden by default. It has no entry or exit rules.
- Rolling SMA mean
- Rolling median
- One to five standard deviation bands
- Optional log-space calculation
- Overlay on the price chart
Details
Published by
gorx1 on GitHub
Type
Indicator, Pine Script v4
Draws
On the price chart
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.
Settings
The inputs you can change from the gear icon on the chart. Defaults are the author's.
| Setting | Type | Default | Variable |
|---|---|---|---|
| length | int | 50 | length |
| source | source | close | source |
| Log-space | bool | false | ls |
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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