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
Vertical line
This indicator plots a vertical line on the price chart at the most recent bar.
GitHub stars65on the repository
Pine versionv4older, still runs
Lines of code10
Settings0inputs
LicenceGPL-3.0
Last update4 days ago24 Oct 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
10 lines of Pine Script v4 from examples/v4/tradingview-docs/v4-appendix-howtos-06.pine, published under GPL-3.0. Keep the author's credit and licence lines when you reuse it.
//@version=4
study("Vertical line", overlay=true, scale=scale.none)
// scale.none means do not resize the chart to fit this plot
// if the bar being evaluated is the last baron the chart (the most recent bar), then cond is true
cond = barstate.islast
// when cond is true, plot a histogram with a line with height value of 100,000,000,000,000,000,000.00
// (10 to the power of 20)
// when cond is false, plot no numeric value (nothing is plotted)
// use the style of histogram, a vertical bar
plot(cond ? 10e20 : na, style=plot.style_histogram)
Overview
Vertical line checks whether the current bar is the latest bar on the chart and renders a tall histogram bar using an extreme numeric value to span the chart height. Because the indicator uses scale none, the large plot value does not distort the price scale. It contains no customizable user inputs and does not generate trading signals or trade executions.
- Vertical line plot on the latest bar
- Histogram styling with extreme height value
- Independent scaling without price chart distortion
Details
Published by
be-thomas on GitHub
Type
Indicator, Pine Script v4
Draws
On the price 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-tradingbacktestingcompilerfintechjavascriptpinescripttechnical-analysistradingview
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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