Double Stochastic Overbought Oversold - Amibroker AFL Code

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_SECTION_BEGIN("");

//
//  This is an Overbought/Oversold Indicator.
//
//  It works very well, but never use this indicator alone.
//
//  you always need a trend indicator.
//
//  Values about 80 shows overbought, under 20 shows oversold.
//
//  Formula:
//
//  title = "127-3 DSS" + " " + fullname() + " " + Date( ) ;
//
//  Slw = 4; Pds = 4;
//
//  Overbought = 80; Oversold = 20;
//
//  A = Ema((CLOSE-LLV(LOW,Pds))/(HHV(H,pds)-LLV(L,Pds)),Slw)*100;
//
//  DSS = ema((A-LLV(A,pds))/(HHV(A,Pds)-LLV(A,Pds)),Slw)*100;
//
//  maxgraph = 5;
//
//  graph0 = DSS; graph0color = 2; graph2 = DSS;
//
//  graph2barcolor = IIF (graph2 > overbought, 4,
//
//  IIF (graph2 < oversold,5,6));
//
//  buy = cross (DSS, 20);
//
//  sell = cross (80,DSS);
//
//------------------------------------------------------------------------------

Title = "127-3 DSS" + "   "  +  FullName() + "   "  +  Date( ) ;

Slw = Param("SC",3,200,2,1);  Pds =Param("Period", 14,2,200,1);

A = EMA((Close-LLV(Low,Pds))/(HHV(H,pds)-LLV(L,Pds)),Slw)*100;

DSS = EMA((A-LLV(A,pds))/(HHV(A,Pds)-LLV(A,Pds)),Slw)*100;

MaxGraph = 10;
Graph0 = DSS; Graph0Color = 2;    Graph2 = DSS; 
Overbought = 80;  Oversold =  20; 

Graph2BarColor = IIf (Graph2 > overbought, 4, 
                                   IIf (Graph2 < oversold,5,6));

Buy = Cross (DSS, 20);
Sell = Cross (80,DSS);
_SECTION_END();