Ehlers Cyber Smoothed Adaptive
The Ehlers Cyber Smoothed Adaptive indicator in Amibroker adapts to market changes using a smoothing technique. Utilizing the Amibroker data feed, this indicator offers traders a smoothed view of price movements, helping identify trends and potential reversals more clearly.
/_SECTION_BEGIN("ehlers_cyber_smoothed_adaptive"); /* Smoothed Adaptive Momentum, p. 166 From Ehlers book: Cybernetic Analysis for Stocks and Futures */ SetBarsRequired(1000000,1000000); price=(H+L)/2; alpha=Param("alpha",0.07,0.01,1,0.01); Cutoff=Param("Cutoff",8,2,21,1); pi=4*atan(1);DTR=pi/180;RTD=1/DTR; Cycle=0;I1=0;Q1=0;InstPeriod=0;DeltaPhase=0;MedianDelta=0;DC=0;Value1=0; DCPeriod=0;RealPart=0;ImagPart=0;DCPhase=0;Period=0; V1=0;a1=0;b1=0;c1=0;coef1=0;coef2=0;coef3=0;coef4=0;filt3=0; Smooth = (Price + 2*Ref(Price,-1) + 2*Ref(Price,-2) + Ref(Price,-3))/6; for(i=36;i1.1) DeltaPhase[i] = 1.1; MedianDelta=Median(DeltaPhase , 5); if (MedianDelta[i] == 0) DC[i]=15; else DC[i] = 2*pi/MedianDelta[i] + 0.5; //changed from 0.5 (to 1.28) InstPeriod[i] = 0.33*DC[i] + 0.67*InstPeriod[i-1]; Period[i] = (0.15*InstPeriod[i] + 0.85*Period[i-1]); //added int //----------------------------------------------------------------------------------------------------------------------------------------------------- V1[i]=Price[i]-Price[i-(int(Period[i])-1)]; a1[i]=exp(-pi/Cutoff); b1[i]=2*a1[i]*cos((1.738*180/Cutoff)*DTR); c1[i]=a1[i]^2; coef2[i]=b1[i]+c1[i]; coef3[i]=-(c1[i]+b1[i]*c1[i]); coef4[i]=c1[i]^2; coef1[i]=1-coef2[i]-coef3[i]-coef4[i]; filt3[i]=coef1[i]*V1[i] + coef2[i]*filt3[i-1] + coef3[i]*filt3[i-2] + coef4[i]*filt3[i-3]; if(i<4) filt3[i]=V1[i]; } Trigger=Ref(filt3,-1); A1=Cross(filt3,Trigger); A2= Cross(Trigger,filt3); GraphXSpace=5; Plot(filt3,"filt3",1,1);PlotGrid(0,0); Plot(Trigger,"Trigger",0,1); //Plot(price,"",colorYellow,24|styleNoLabel);Plot(price,"Price",colorBlue,1|styleNoLabel); Plot(A1 OR A2,"Grn-Buy Red-Sell",IIf(A1,colorGreen,IIf(A2,colorRed,3)),2|styleOwnScale|styleNoLabel); Title=EncodeColor(colorOrange)+" Ehlers (Cyber) Smoothed Adaptive Momentum "+ EncodeColor(colorRed)+"Period: "+period+" Cycle Period is "+ WriteIf(PeriodRef(Period,-1),"increasing. ","unchanged. ")); _SECTION_END();