// Downloaded From https://www.WiseStockTrader.com
_SECTION_BEGIN("PZO_ind");
// PZO indicator 
function PZOsc( Period ) 
{ 
R = sign( Close - Ref( Close, -1 ) ) * Close; 
VP = EMA( R, Period ); 
TV = EMA( Close, Period ); 
return Nz( 100 * VP / TV ); 
} 
Period = Param( "PZO period", 14, 2 , 200 ); 
PZO = PZOsc( Period ); 
Plot( PZO, "PZO" + _PARAM_VALUES(), colorBlue, styleThick ); 
// grid lines 
PlotGrid( 60 ); 
Plot( 40, "", colorLime ); 
Plot( -40, "", colorRed ); 
PlotGrid( -60 ); 
_SECTION_END();