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
SARs
This indicator implements J.
GitHub stars22on the repository
Pine versionv4older, still runs
Lines of code27
Settings3inputs
LicenceMIT
Last update6 years ago25 Jan 2020
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
27 lines of Pine Script v4 from sar.pine, published under MIT. Keep the author's credit and licence lines when you reuse it.
//@version=4
study("SARs v1.1.8", shorttitle="SARs", overlay=true)
import header
AF_initial = input(0.02)
AF_increment = input(0.02)
AF_maximum = input(0.2)
import LUCID_SAR
L_SAR = LUCID_SAR(AF_initial, AF_increment, AF_maximum)
import TSR
[TC, T, SS, SC, S, SE, EC, up] = TSR()
plotshape(SC and not up, color = color.yellow, style = shape.triangleup, location = location.belowbar, size = size.auto, transp = 0, title = "Setup to Buy")
plotshape(TC and up, color = color.green, style = shape.triangleup, location = location.belowbar, size = size.auto, title = "Trigger to Buy")
plotshape(SC and up, color = color.yellow, style = shape.triangledown, location = location.abovebar, size = size.auto, transp = 0, title = "Setup to Sell")
plotshape(TC and not up, color = color.red, style = shape.triangledown, location = location.abovebar, size = size.auto, title = "Trigger to Sell")
plot(L_SAR, color = color.blue, style = plot.style_cross, linewidth = 2)
Overview
Welles Wilder's Parabolic SAR (Stop and Reverse) methodology directly on the price chart. It calculates the trailing SAR level based on user-defined initial, increment, and maximum Acceleration Factors. In addition to plotting the Parabolic SAR line as blue crosses, the script evaluates trend setup and trigger conditions, displaying color-coded directional triangle signals below or above price bars to highlight potential trend reversals and entry setups.
- Parabolic SAR trailing stop implementation
- Visual setup and trigger reversal shapes
- Customizable acceleration factor inputs
- Main chart overlay display
Details
Published by
pacificbay on GitHub
Type
Indicator, Pine Script v4
Draws
On the price chart
Category
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.
File
Settings
The inputs you can change from the gear icon on the chart. Defaults are the author's.
| Setting | Type | Default | Variable |
|---|---|---|---|
| AF_initial | float | 0.02 | AF_initial |
| AF_increment | float | 0.02 | AF_increment |
| AF_maximum | float | 0.2 | AF_maximum |
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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