_SECTION_BEGIN("Demand Index");
/* Demand Index */
/* www.adwin.com.vn */
/* Loc tin hieu - chuyen ma tu MT4*/

GraphMax=9;
A=(H+L+2*C);
B=EMA((HHV(H,2)-LLV(L,2)),19);
BuyP= 
/*{Khu vuc mua}*/
 V/EMA(V,19) * ((A>=Ref(A,-1)) +(A<Ref(A,-1)) / exp((0.375 * (A+Ref(A,-1)) /B ) *(Ref(A,-1)-A) / A));

SellP = 
/*{Khu vuc ban}*/ 
V/EMA(V,19) * ((A<=Ref(A,-1)) + (A>Ref(A,-1)) / exp((0.375 * (A+Ref(A,-1)) / B ) * (A-Ref(A,-1)) / Ref(A,-1)));

mabp=EMA(BuyP,19);       
masp=EMA(SellP,19);        /*{Lam tron diem nhan}*/
divsor=IIf(mabp>masp,mabp,masp);         /*{BP:SP ratio}*/
divend=IIf(mabp<masp,mabp,masp);       /*{biggest=divisor}*/
var2=1-(divend/divsor);                               /*{adjust ratio to plot in}*/
var3=IIf( (masp>mabp) , -var2 , var2  )  ;       /*{range -100 to 100}*/
var4=var3*100;  
Graph1 = var4;
Graph1Style=5;
Graph1Color=6;

var5=MA(var4,30);
Graph2=var5;;
Graph2Style=5;
Graph2Color=4;

/*  duo`ng Zero Line  */
Graph0=0;
Graph0Color=2;
/* Mua khi var4 ca´t var 5, ba´n khi var 4 ca´t dg zero*/
Buy=Cross(var4,var5); 
Sell=Cross(0,var4);

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

Short=Sell;
Cover=Buy;

Filter= (Buy == 1 OR Sell == 1)  ;
NumColumns = 7;
Column0 =  IIf(Buy == 1, 1, IIf(Sell == 1, -1, 0 )  );
Column0Format = 1.0;
Column0Name = "B/S";
Column1 = C;
Column1Name = "Close       ";
Column1Format = 1.2;
Column2 = MA(V,17);
Column2Name = "17 Ma Vol   ";
Column2Format = 1.0;
Column3 = MA(C,17)/MA(C,50);
Column3Name = "% 17/50 ";
Column3Format = 1.2;
Column3Format = 1.2;
Column4= MA(C,17);
Column4Name="17 C ma";
Column4Format = 1.2;
Column4= MA(C,50);
Column4Name="50 C ma";
Column4Format = 1.2;
Column5=ROC(var4,2);
Column5Name="ROC DI";
Column5Format=1.2;  
Column6=Cum(1);
Column6Name = "#Bars";
Column6Format = 1.0;
Title= "Cung Cau cua TT : giao dich khi duong Blue cat duong red";
_SECTION_END();