The Adaptive Laguerre Filter calculates a smoothed, dynamically adjusted trendline plotted directly on the main price chart. It dynamically adjusts its damping factor (alpha) based on recent price range variations and median percentile calculations over a spec
Indicator · Pine Script v4 · On the chart
ZLEMA Wave and GRaB Candles Alt2
A Pine Script v4 indicator on the price chart that draws a moving average wave, a channel of exponential averages on the high, close and low with a default length of 38, centred on a chosen source.
GitHub stars1on the repository
Pine versionv4older, still runs
Lines of code192
Settings5inputs
LicenceNone stated
Last update6 months ago15 Apr 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
ZLEMA Wave and GRaB Candles Alt2 can also colour candles by whether they close above, below or inside the wave and by candle direction, and optionally show a trend marker along the bottom. It is modelled on a known 34 EMA wave idea and uses a zero-lag style average.
- Moving average wave channel
- Candle colouring by position versus the wave
- Optional trend direction indicator
- Adjustable wave length and source
Details
Published by
mikeyhu70 on GitHub
Type
Indicator, Pine Script v4
Draws
On the price chart
Category
Moving averages, Trend
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 |
|---|---|---|---|
| Show EMA Wave | bool | true | ShowPAC |
| Show Coloured GRaB Candles | bool | true | ShowBarColor |
| Show Trend Indicator | bool | false | ShowTrendIndi |
| EMA Wave Length (34 by default) | int | 38 | PACLen |
| Source for Wave centre EMA | source | hl2 | src |
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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