hi, i have added 9ema cross as filter, it reduces false entry, but it is not perfect. i think in this system, once there is good profitable period,after exit immediate opposite signal should be skipped.
regards.
afl code:
_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", ParamColor("Color", colorDefault ), styleNoTitle | ParamStyle("Style") | GetPriceStyle() );
_SECTION_END();
t=Param("t", 240, 1, 5000, 1);
/*Top = Sum(High, t) / t;
Bottom = Sum(Low, t) / t;
*/
Top = EMA(High, t) ;
Bottom = EMA(Low, t);
av=(Top+Bottom)/2;
mc=IIf(av>C, ParamColor("Trigger line Up Color", colorGold), ParamColor("Trigger line Dn Color", colorBlue));
Plot(av, "\nTrigger : ", mc, ParamStyle("Trigger line Style",styleStaircase,maskAll),0,0,0,9);
Buy = EMA(C,9)>av;
Short = av>EMA(C,9);
Buy = ExRem(Buy,Short);
Short = ExRem(Short,Buy);
PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorGreen, 0, L, Offset=-40);
PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorLime, 0,L, Offset=-50);
PlotShapes(IIf(Buy, shapeUpArrow, shapeNone),colorWhite, 0,L, Offset=-45);
PlotShapes(IIf(Short, shapeSquare, shapeNone),colorRed, 0, H, Offset=40);
PlotShapes(IIf(Short, shapeSquare, shapeNone),colorOrange, 0,H, Offset=50);
PlotShapes(IIf(Short, shapeDownArrow, shapeNone),colorWhite, 0,H, Offset=-45);
_SECTION_END();
_SECTION_BEGIN("EMA1");
P = ParamField("Price field",-1);
Periods = Param("Periods", 9, 2, 300, 1, 10 );
Plot( EMA( P, Periods ), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") );
_SECTION_END();