Ehlers Simple Cycle Indicator [LazyBear] by LazyBear

lazybear custom indicators ehlers oscillator cycles

One of the early cycle indicators from John Ehlers.

Ehlers suggests using this with ITrend (see linked PDF below). Osc/signal crosses identify entry/exit points.

Options page has the usual set of configurable params.

More info:
- Simple Cycle Indicator:

List of my public indicators:
List of my app-store indicators:

List of my free indicators: bit.ly/1LQaPK8
List of my indicators at Appstore: blog.tradingview.com/?p=970

Open-source script

In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.

Disclaimer

The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.

Want to use this script on a chart?

//
// @author LazyBear 
// 
// List of my public indicators: http://bit.ly/1LQaPK8 
// List of my app-store indicators: http://blog.tradingview.com/?p=970 
//
study("Ehlers  Simple Cycle Indicator [LazyBear]", shorttitle="ESCI_LB")
src=input(hl2, title="Source") 
alpha=input(.07, title="Alpha")
Smooth = (src + 2*src[1] + 2*src[2] + src[3])/6.0
cycle_ = (1 - .5*alpha)*(1 - .5*alpha)*(Smooth - 2*Smooth[1] + Smooth[2])+ 2*(1 - alpha)*cycle[1] - (1 - alpha)*(1 - alpha)*cycle[2]
cycle = iff(n<7, (src - 2*src[1] + src[2]) / 4.0, cycle_)
t=cycle[1]
plot(0, title="ZeroLine", color=gray) 
fr=input(true, title="Fill Osc/Trigger region")
duml=plot(fr?(cycle>t?cycle:t):na, style=circles, linewidth=0, color=gray, title="Dummy")
cmil=plot(cycle, title="SimpleCycleIndicator",color=blue)
tl=plot(t, title="Trigger",color=green)
fill(cmil, duml, color=red, transp=50, title="NegativeFill")
fill(tl, duml, color=lime, transp=50, title="PositiveFill")
ebc=input(false, title="Color bars?")
bc=ebc?(cycle>0? (cycle>t?lime:(cycle==t?gray:green)): (cycle<t?red:orange)):na
barcolor(bc)

Ehlers Simple Cycle Indicator [LazyBear]

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