// Downloaded From https://www.WiseStockTrader.com
_SECTION_BEGIN("Force Index");
SetPositionSize(1000,spsShares);
Period1=Optimize("Period1",17,1,20,1);
Period2=Optimize("Period2",5,2,20,1);
L1=Optimize("L1",-310000,-500000,50000,10000);
L2=Optimize("L2",-410000,-500000,50000,10000);
FI =((Close - Ref(Close, -1)) * V);
FastAvgFI=LinearReg(FI,Period1);
SlowAvgFI=LinearReg(FI,Period2);
FI_Col = IIf( (FI <Ref(FI,-1)), colorRed, colorBrightGreen);
FastAvgFI_Col = IIf(FastAvgFI < 0, colorRed, colorBlue);
SlowAvgFI_Col = IIf(SlowAvgFI < 0, colorRed, colorBlue);
Plot(FI, "Force Index", FI_Col, styleHidden|styleThick);
Plot(FastAvgFI, "FastAvgFI", FastAvgFI_Col, styleLine|styleThick);
Plot(SlowAvgFI, "SlowAvgFI", SlowAvgFI_Col, styleLine|styleThick);
Plot(0,"", colorViolet, styleLine | styleThick );
Buy=Cover=(Cross(SlowAvgFI,L1))AND (FastAvgFI>L2) ;
Sell=Short=((Cross(0,FastAvgFI))OR (Cross(0,SlowAvgFI)AND FastAvgFI<SlowAvgFI));
Long=Flip(Buy,Sell);
Shrt=Flip(Sell,Buy );
PlotShapes( IIf( Sell, shapeDownArrow, shapeNone ), colorRed, 0, High, Offset = -25 );
PlotShapes( IIf( Buy, shapeUpArrow , shapeNone ), colorBrightGreen, 0, Low, Offset = -25 );

Title = Name() +
EncodeColor(colorRed) + " Close " +
EncodeColor(colorRed) + " = " + WriteVal(Close) + ", " +
EncodeColor(colorRed) + "Force Index = " +
EncodeColor(colorRed) + WriteVal(FI);
_SECTION_END();