by 
Sideway Zones Live is an overlay indicator that estimates inner and outer sideways bands from recent highs and lows with a rational quadratic kernel. It tracks swing pivots over a loopback period and counts bars that remain between the outer high and low. Afte
Indicator · Pine Script v4 · On the chart
GrimmTurtle
A short Pine v4 indicator that plots a Donchian-style channel using the highest and lowest values over a set length, with a midpoint line.
GitHub stars1on the repository
Pine versionv4older, still runs
Lines of code23
Settings1inputs
LicenceMIT
Last update2 months ago1 Aug 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
23 lines of Pine Script v4 from strategies/turtles/pinescript/turtles.pine, published under MIT. Keep the author's credit and licence lines when you reuse it.
//@version=4
study(title="GrimmTurtle", shorttitle="Turtle", overlay=true, resolution="")
length = input(20, minval=1)
lower = lowest(length)
upper = highest(length)
basis = avg(upper, lower)
plot(basis, "Basis", color=#FF6D00)
u = plot(upper, "Upper", color=color.white)
l = plot(lower, "Lower", color=color.white)
BullLabel = "Bullish Turtle"
BearLabel = "Bearish Turtle"
BullT= u[1] > u[2]
BearT = u[1] < u[2]
barcolor( BullT ? yellow : BearT ? white :na)
plotshape(BullT, title="Bullish Turtle", style=shape.triangleup, location=location.belowbar, color=lime, text=BullLabel)
plotshape(BearT, title="Bearish Turtle", style=shape.triangledown, location=location.abovebar, color=red, text=BearLabel)
// alerts
alertcondition(BullT, title='Bullish Turtle Alert', message='{{ticker}} Bullish Turtle')
alertcondition(BearT, title='Bearish Turtle Alert', message='{{ticker}} Bearish Turtle')
Overview
GrimmTurtle labels a bullish or bearish Turtle when the previous bar's upper band rose or fell compared with the bar before, colours the bars yellow or white, and provides two alert conditions. The only setting is the channel length. It draws on the price chart.
- Highest and lowest channel with midpoint
- Bullish and bearish Turtle labels
- Bar colouring by band direction
- Two alert conditions
Details
Published by
GreyssonEnterprises on GitHub
Type
Indicator, Pine Script v4
Draws
On the price chart
Category
Breakout, 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 |
|---|---|---|---|
| length | int | 20 | length |
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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