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[amibroker] Re: Sigma Bands



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I use the following graphs for CSCO.The red line is the 
50-bar Moving Average.The yellow line is a displaced MA.The vertical 
displacement is recalibrated every 50 bars and it is equal to the difference of 
the red-green line.The green line [TrendMA] adds an increment 1/1000 to its 
previous value, as long as the red MA is ascending.Buy when the Close line 
crosses the red MA.Fast exit when Close crosses the yellow displaced 
MA.Exit without any hesitation when Close crosses the green TrendMA.You 
may see that the green TrendMA acts as an o/b upper limit, the stock does not 
stay for long above it.The recent dead-cat-bounce is descriptive 
enough.The red MA is still ascending. When it will reach the local peak, 
the yellow and the green line will come back to the red ground level.[^NDX 
has already began a new cycle by the end of the last November, the TrendMA 
target was out of any realistic perspective...].The code for Indicator 
builder is
 
// TRENDma, 
DISPLmaP1=50;Plot(C,"C",1,64);COEFF=0.001;M1=MA(C,P1);MM[0]=0;X=BarsSince(ROC(M1,1)<=0);for(I=1;I<BarCount;I++){if(M1[I]>M1[I-1])MM[I]=(1+COEFF*X[I])*M1[I-1];else{MM[I]=M1[I];}}Plot(M1,"MA",colorRed,8);Plot(MM,"TrendMA",colorBrightGreen,4);Buy=Cross(C,M1);Sell1=Cross(M1,C);Sell2=Cross(MM,C);Buy=ExRem(Buy,Sell2);Sell2=ExRem(Sell2,Buy);XX=X%P1==0;DISPL=ValueWhen(XX,MM-M1);DISPLma=M1+DISPL;Plot(DISPLma,"DisplacedMA",colorYellow,8);FastExit=Cross(DISPLma,C);Buy=ExRem(Buy,FastExit);FastExit=ExRem(FastExit,Buy);PlotShapes(shapeUpArrow*Buy,colorBrightGreen);PlotShapes(shapeCircle*Sell1,colorBlue);PlotShapes(shapeDownTriangle*Fastexit,colorPink);PlotShapes(shapeDownArrow*Sell2,colorRed);
 
The pink triangles are for the fast [partial] exits, the red 
arrows are for the final exits and the blue circles are for the delayed regular 
MA crosses.Dimitris Tsokakis


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