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WiseTrader Toolbox
#1 Selling Amibroker Plugin featuring:
Better Bollinger Bands for Amibroker (AFL)
In the Futures Magazine, October 1998, Dennis McNicholl describesthe use of Bollinger Bands and provides a means of making them tighter whenmarkets are trending. He calls them Better Bollinger Bands.
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Indicator / Formula
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | pds= Param ( "Periods" ,20,2,200); sd= Param ( "Standard Deviations" ,2, 0.01,10); alpha=2/(pds+1); mt= AMA ( C , alpha ); ut= AMA ( mt, alpha ); dt=((2-alpha)*mt-ut)/(1-alpha); mt2= AMA ( abs ( C -dt), alpha ); ut2= AMA (mt2,alpha ); dt2=((2-alpha)*mt2-ut2)/(1-alpha); but=dt+sd*dt2; blt=dt-sd*dt2; Plot ( C , "Price" , colorBlack , styleCandle ); Plot ( but, "Upper band" , colorRed ); Plot ( blt, "Lower band" , colorRed ); |
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