MACD Histogram Sell Signal Count

/
_SECTION_BEGIN("Chart Display");
GraphXSpace = 10;
SetBarsRequired(1,1); 

SetChartOptions(0,chartShowArrows|chartShowDates|chartWrapTitle);
Plot( C, "Close", ParamColor("Candle Outline Color?", colorWhite), styleCandle|styleNoTitle); 
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 )) ));
_SECTION_END();


VBS=0;
VSS=0;
VBM = "";
VSM = "";

_SECTION_BEGIN("Parameter Settings");
ap = Param("Aroon Periods", 14, 1, 100, 1 );
ParamStr("--------------- ------------------","-");
bp = Param("Bollinger Bands Periods", 15, 2, 300, 1 );
bw = Param("Bollinger Bands Width", 2, 0, 10, 0.05 );
ParamStr("--------------------------------","-");
r1 = Param( "MACD Fast Average", 12, 2, 200, 1 );
r2 = Param( "MACD Slow Average", 26, 2, 200, 1 );
r3 = Param( "MACD Signal Average", 9, 2, 200, 1 );
ParamStr("---------------------------------","-");
mp = Param( "MFI Periods", 14, 2, 200, 1 );
ParamStr("--------------- -----------------","-");
rp = Param( "RSI Periods", 15, 1, 200, 1 );
ParamStr("---------------- -----------------","-");
P1 = Param("Fast MA Period?",6,1,100);
P2 = Param("Medium MA Period?",10,1,300);
P3 = Param("Short MA Period?",20,1,300);

HHVBS = HHVBars(H,ap+1);
LLVBS = LLVBars(L,ap+1);

Aroon_Up = ((ap-HHVBS)/ap)*100;
Aroon_Down = ((ap-LLVBS)/ap)*100;
Aroon_Buy = Aroon_Up>70 AND Aroon_Down<30;
Aroon_Sell = Aroon_Up<30 AND Aroon_Down>70;

VBS = IIf(Aroon_Buy,VBS+1,VBS);
VSS = IIf(Aroon_Sell,VSS+1,VSS);
VBM = WriteIf(Aroon_Buy,VBM + "Aroon  ",VBM);
VSM = WriteIf(Aroon_Sell,VSM + "Aroon  ",VSM);

BB_Buy = CBBandTop(C,bp,bw);

VBS = IIf(BB_Buy,VBS+1,VBS);
VSS = IIf(BB_Sell,VSS+1,VSS);
VBM = WriteIf(BB_Buy,VBM + "Bollinger Bands  ",VBM);
VSM = WriteIf(BB_Sell,VSM + "Bollinger Bands  ",VSM);

ml = MACD(r1, r2); 
sl = Signal(r1,r2,r3);
MACD_Hist = ml-sl;

MACD_Buy = ml>0 OR ml>sl;
MACD_Hist_Buy = MACD_Hist<0 AND MACD_Hist>Ref(MACD_Hist,-1);
MACD_Sell = ml<0 OR ml0 AND MACD_Hist80; 

VBS = IIf(MFI_Buy,VBS+1,VBS);
VSS = IIf(MFI_Sell,VSS+1,VSS);

VBM = WriteIf(MFI_Buy,VBM + "MFI  ",VBM);
VSM = WriteIf(MFI_Sell,VSM + "MFI  ",VSM);

RSI_Value = RSI(rp);
RSI_Buy = RSI_Value>30 AND Ref(RSI_Value,-1)<=30;
RSI_Sell = RSI_Value<70 AND Ref(RSI_Value,-1)>=70;

RSI_Price_Buy = RSI_Value>Ref(RSI_Value,-1) AND C>Ref(C,-1) AND RSI_Value>50;
RSI_Price_Sell = RSI_ValueMedium_MA AND Medium_MA>Slow_MA;
MA_Sell = Fast_MA=Count;
Sell = VSS>=Count;

Buy = ExRem(Buy,Sell);
Sell = ExRem(Sell,Buy);

PlotShapes(IIf(Buy,shapeUpArrow,shapeNone), colorBrightGreen, 0, L, Offset=-15);
PlotShapes(IIf(Sell,shapeDownArrow,shapeNone), colorRed, 0, H, Offset=-15);

AlertIf(Buy, "SOUND C:\\program files\\amibroker\\tada.wav", "Buy alert : "+C,1);
AlertIf(Sell, "SOUND C:\\program files\\amibroker\\notify.wav", "Sell alert : "+C,2);

MessageBg = ParamColor("Message Background Color?",colorBlack);
GfxSetBkColor(MessageBg);
GfxSelectFont("Arial",10,600); 
GfxSetTextColor(colorGreen);
GfxTextOut("Buy Signal Count : "+VBS,15,25);
GfxTextOut(VBM,15,40);
GfxSetTextColor(colorRed);
GfxTextOut("Sell Signal Count : "+VSS,15,55);
GfxTextOut(VSM,15,70);

_SECTION_END();