LB= Param("Look Back Periods",10,1,30,1);
mh=ValueWhen(Cross(MA(C,LB),C),HHV(H,LB),1);
ml=ValueWhen(Cross(C,MA(C,LB)),LLV(L,LB),1);

GraphXSpace=4;

b=(mh-ml);
s38=ml+b*23.6/100;
s50=ml+b*50/100;
s61=ml+b*76.4/100;
s127=mh-b*127.2/100;
s161=mh-b*161.8/100;
s261=mh-b*261.8/100;
r127=ml+b*127.2/100;
r161=ml+b*161.8/100;
r261=ml+b*261.8/100;
Plot(s50,"",2,5);
Plot(s127,"",5,5);
Plot(r127,"",4,5);

Buy=Cross( L,r127) ; 
Sell= Cross( r127,H ); 

dist = 1.5*ATR(10); 

for( i = 0; i < BarCount; i++ ) 
{ 
if( Buy[i] ) PlotText( "Buy" + H[ i ], i, L[ i ]-dist[i], colorGreen ); 
if( Sell[i] ) PlotText( "Sell" +L[ i ], i, H[ i ]+dist[i], colorRed, colorYellow ); 
} 

PlotShapes( Buy * shapeUpArrow + Sell * shapeDownArrow, IIf( Buy, colorGreen, colorRed ) );

Buy=Cross( L,s127) ; 
Sell= Cross( s127,H ); 

dist = 1.5*ATR(10); 

for( i = 0; i < BarCount; i++ ) 
{ 
if( Buy[i] ) PlotText( "Buy" + H[ i ], i, L[ i ]-dist[i], colorGreen ); 
if( Sell[i] ) PlotText( "Sell" +L[ i ], i, H[ i ]+dist[i], colorRed, colorYellow ); 
} 

PlotShapes( Buy * shapeUpArrow + Sell * shapeDownArrow, IIf( Buy, colorGreen, colorRed ) );

_SECTION_BEGIN("Price");
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 ) ) ));
Plot( C, "Close", colorWhite, styleNoTitle | ParamStyle("Style") | GetPriceStyle() ); 
_SECTION_END();