//+------------------------------------------------------------------+
//| RSI.mq4 |
//| Copyright © 2004, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
#property indicator_separate_window
#property indicator_minimum -10
#property indicator_maximum 100
#property indicator_buffers 5
#property indicator_color1 Blue
#property indicator_color2 Red
#property indicator_color3 Green
#property indicator_color4 Magenta
#property indicator_color5 DodgerBlue
//---- input parameters
extern int RSIOMA = 14;
extern int BuyTrigger = 80;
extern int SellTrigger = 20;
extern int MainTrendLong = 50;
extern int MainTrendShort = 50;
//---- buffers
double RSIBuffer[];
double PosBuffer[];
double NegBuffer[];
double bdn[],bup[];
double sdn[],sup[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
//---- 2 additional buffers are used for counting.
IndicatorBuffers(7);
SetIndexBuffer(0,RSIBuffer);
SetIndexBuffer(2,bup);
SetIndexBuffer(1,bdn);
SetIndexBuffer(3,sdn);
SetIndexBuffer(4,sup);
SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,3);
SetIndexStyle(2,DRAW_HISTOGRAM,STYLE_SOLID,1);
SetIndexStyle(1,DRAW_HISTOGRAM,STYLE_SOLID,1);
SetIndexStyle(3,DRAW_HISTOGRAM,STYLE_SOLID,1);
SetIndexStyle(4,DRAW_HISTOGRAM,STYLE_SOLID,1);
SetIndexBuffer(5,PosBuffer);
SetIndexBuffer(6,NegBuffer);
short_name="RSIOMA("+RSIOMA+")";
IndicatorShortName(short_name);
SetIndexDrawBegin(0,RSIOMA);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Relative Strength Index |
//+------------------------------------------------------------------+
int start()
{
SetLevelValue(0, BuyTrigger);
SetLevelValue(1, SellTrigger);
SetLevelValue(2, MainTrendLong);
SetLevelValue(3, MainTrendShort);
SetLevelStyle(STYLE_DOT, 1, Yellow);
int i,counted_bars=IndicatorCounted();
double rel,negative,positive;
//----
if(Bars<=RSIOMA) return(0);
//---- initial zero
if(counted_bars<1)
for(i=1;i<=RSIOMA;i++) RSIBuffer[Bars-i]=0.0;
//----
i=Bars-RSIOMA-1;
if(counted_bars>=RSIOMA) i=Bars-counted_bars-1;
while(i>=0)
{
double sumn=0.0,sump=0.0;
if(i==Bars-RSIOMA-1)
{
int k=Bars-2;
//---- initial accumulation
while(k>=i)
{
double cma = iMA(Symbol(),0,RSIOMA,0,MODE_EMA,PRICE_CLOSE,k);
double pma = iMA(Symbol(),0,RSIOMA,0,MODE_EMA,PRICE_CLOSE,k+1);
rel=cma-pma;
if(rel>0) sump+=rel;
else sumn-=rel;
k--;
}
positive=sump/RSIOMA;
negative=sumn/RSIOMA;
}
else
{
//---- smoothed moving average
double ccma = iMA(Symbol(),0,RSIOMA,0,MODE_EMA,PRICE_CLOSE,i);
double ppma = iMA(Symbol(),0,RSIOMA,0,MODE_EMA,PRICE_CLOSE,i+1);
rel=ccma-ppma;
if(rel>0) sump=rel;
else sumn=-rel;
positive=(PosBuffer[i+1]*(RSIOMA-1)+sump)/RSIOMA;
negative=(NegBuffer[i+1]*(RSIOMA-1)+sumn)/RSIOMA;
}
PosBuffer[i]=positive;
NegBuffer[i]=negative;
if(negative==0.0) RSIBuffer[i]=0.0;
else
{
RSIBuffer[i]=100.0-100.0/(1+positive/negative);
bdn[i] = 0;
bup[i] = 0;
sdn[i] = 0;
sup[i] = 0;
if(RSIBuffer[i]>MainTrendLong)
bup[i] = -10;
if(RSIBuffer[i]<MainTrendShort)
bdn[i] = -10;
if(RSIBuffer[i]<20 && RSIBuffer[i]>RSIBuffer[i+1])
sup[i] = -10;
if(RSIBuffer[i]>80 && RSIBuffer[i]<RSIBuffer[i+1])
sdn[i] = -10;
}
i--;
}
//----
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Indicator Curves created:
Implements a curve of type DRAW_LINE
Implements a curve of type DRAW_HISTOGRAM
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: