//+------------------------------------------------------------------+
//| RSI_EMA_COL.mq4
//+------------------------------------------------------------------+
#property copyright "AHGDP"
#property link "RSI_EMA_COL"
#property indicator_separate_window
#property indicator_buffers 4
#property indicator_color1 DimGray
#property indicator_color2 Lime
#property indicator_color3 Red
#property indicator_color4 Gold
#property indicator_maximum 65
#property indicator_minimum 35
//=================================================================================================
#property indicator_level1 50
#property indicator_level2 65
#property indicator_level3 35
#property indicator_levelcolor BurlyWood
#property indicator_levelstyle STYLE_DOT
#property indicator_levelwidth 0
//=================================================================================================
extern int RSIPeriod = 50 ;
extern int EMAPeriod = 25 ;
extern int COHLMTW6 = 0 ;
extern int MA_SiEmSmWe3 = 1 ;
extern string timeFrame = "0" ;
extern int overBought = 50 ;
extern int overSold = 50 ;
extern bool showArrows = false ;
extern color Arrowcolor = Orchid ;
extern bool alertsOn = false ;
extern bool alertsMessage = false ;
extern bool alertsSound = false ;
extern bool alertsEmail = false ;
extern int LineSize1 = 2 ;
extern int LineSize2 = 2 ;
extern int CountBars = 300 ;
double RSIBuffer[];
double EMABuffer[];
double Upper[];
double Lower[];
int TimeFrame;
datetime TimeArray[];
int maxArrows;
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
int init()
{
SetIndexStyle (0,DRAW_LINE, STYLE_SOLID, LineSize1);
SetIndexBuffer(0,RSIBuffer);
SetIndexStyle (1,DRAW_LINE, STYLE_SOLID, LineSize1);
SetIndexBuffer(1,Upper);
SetIndexStyle (2,DRAW_LINE, STYLE_SOLID, LineSize1);
SetIndexBuffer(2,Lower);
SetIndexStyle (3,DRAW_LINE, STYLE_SOLID, LineSize2);
SetIndexBuffer(3,EMABuffer);
SetIndexLabel(0,"RSI");
SetIndexLabel(1,NULL);
SetIndexLabel(2,NULL);
SetIndexLabel(3,"EMA of RSI");
TimeFrame = stringToTimeFrame(timeFrame);
string shortName = "RSI ("+TimeFrameToString(TimeFrame)+","+RSIPeriod+","+PriceTypeToString(COHLMTW6);
if (overBought < overSold)
{
overBought = overSold;
}
if (overBought < 100)
{
shortName = shortName+","+overBought;
}
if (overSold > 0)
{
shortName = shortName+","+overSold;
}
IndicatorShortName(shortName+")");
return(0);
}
int deinit()
{
DeleteArrows();
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int counted_bars=IndicatorCounted();
int limit;
int i,y;
if(counted_bars<0) return(-1);
limit=Bars-counted_bars;
SetIndexDrawBegin(0,Bars-CountBars);
SetIndexDrawBegin(1,Bars-CountBars);
SetIndexDrawBegin(2,Bars-CountBars);
SetIndexDrawBegin(3,Bars-CountBars);
ArrayCopySeries(TimeArray ,MODE_TIME ,NULL,TimeFrame);
for(i=0,y=0; i<limit; i++)
{
if(Time[i]<TimeArray[y]) y++;
{
RSIBuffer[i] = iRSI(NULL,TimeFrame,RSIPeriod,COHLMTW6,y);
}
}
for(i=0,y=0; i<limit; i++)
{
if(Time[i]<TimeArray[y]) y++;
{
EMABuffer[i] = iMAOnArray(RSIBuffer,Bars,EMAPeriod,0,MA_SiEmSmWe3,i);
}
}
for(i=limit; i>=0; i--)
{
if (RSIBuffer[i] >EMABuffer[i]) //overBought
{
Upper[i] = RSIBuffer[i]; Upper[i+1] = RSIBuffer[i+1];
}
else
{ Upper[i] = EMPTY_VALUE;
if (Upper[i+2] == EMPTY_VALUE)
{
Upper[i+1] = EMPTY_VALUE;
}
if (RSIBuffer[i] < EMABuffer[i]) //overSold
{
Lower[i] = RSIBuffer[i]; Lower[i+1] = RSIBuffer[i+1];
}
else
{
Lower[i] = EMPTY_VALUE;
if (Lower[i+2] == EMPTY_VALUE)
{
Lower[i+1] = EMPTY_VALUE;
}
}
}
}
if (showArrows)
for (i=0; i<WindowBarsPerChart() ;i++)
{
if (RSIBuffer[i]>EMABuffer[i] && RSIBuffer[i+1]<EMABuffer[i]) //overBought
{
DrawArrow(i,"down");
}
if (RSIBuffer[i]<EMABuffer[i] && RSIBuffer[i+1]>EMABuffer[i])//overSold
{
DrawArrow(i,"up");
}
}
if (alertsOn)
{
if (RSIBuffer[0]>overBought && RSIBuffer[1]<overBought)
{
doAlert(overBought+" line crossed up");
}
if (RSIBuffer[0]<overSold && RSIBuffer[1]>overSold)
{
doAlert(overBought+" line crossed down");
}
}
return(0);
}
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
void DrawArrow(int i,string type)
{
maxArrows++;
ObjectCreate("RSISignal"+maxArrows,OBJ_ARROW,0,Time[i],0);
if (type=="up")
{
ObjectSet("RSISignal"+maxArrows,OBJPROP_PRICE1,High[i]+(8*Point));
ObjectSet("RSISignal"+maxArrows,OBJPROP_ARROWCODE,234);
ObjectSet("RSISignal"+maxArrows,OBJPROP_COLOR,Arrowcolor);
}
else
{
ObjectSet("RSISignal"+maxArrows,OBJPROP_PRICE1,Low[i]-(6*Point));
ObjectSet("RSISignal"+maxArrows,OBJPROP_ARROWCODE,233);
ObjectSet("RSISignal"+maxArrows,OBJPROP_COLOR,Arrowcolor);
}
}
void DeleteArrows()
{
while(maxArrows>0)
{
ObjectDelete("RSISignal"+maxArrows); maxArrows--;
}
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
void doAlert(string doWhat)
{
static string previousAlert="nothing";
static datetime previousTime;
string message;
if (previousAlert != doWhat || previousTime != Time[0])
{
previousAlert = doWhat;
previousTime = Time[0];
message = StringConcatenate(Symbol()," at ",TimeToStr(TimeLocal(),TIME_SECONDS)," RSI ",doWhat);
if (alertsMessage)
{
Alert(message);
}
if (alertsSound)
{
PlaySound("alert2.wav");
}
if (alertsEmail)
{
SendMail(StringConcatenate(Symbol()," RSI crossing"),message);
}
}
}
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
string PriceTypeToString(int pt)
{
string answer;
switch(pt)
{
case 0: answer = "Close" ; break;
case 1: answer = "Open" ; break;
case 2: answer = "High" ; break;
case 3: answer = "Low" ; break;
case 4: answer = "Median" ; break;
case 5: answer = "Typical" ; break;
case 6: answer = "Wighted" ; break;
default: answer = "Invalid price field requested";
Alert(answer);
}
return(answer);
}
int stringToTimeFrame(string tfs)
{
int tf=0;
tfs = StringUpperCase(tfs);
if (tfs=="M1" || tfs=="1") tf=PERIOD_M1;
if (tfs=="M5" || tfs=="5") tf=PERIOD_M5;
if (tfs=="M15"|| tfs=="15") tf=PERIOD_M15;
if (tfs=="M30"|| tfs=="30") tf=PERIOD_M30;
if (tfs=="H1" || tfs=="60") tf=PERIOD_H1;
if (tfs=="H4" || tfs=="240") tf=PERIOD_H4;
if (tfs=="D1" || tfs=="1440") tf=PERIOD_D1;
if (tfs=="W1" || tfs=="10080") tf=PERIOD_W1;
if (tfs=="MN" || tfs=="43200") tf=PERIOD_MN1;
if (tf<Period()) tf=Period();
return(tf);
}
string TimeFrameToString(int tf)
{
string tfs="Current time frame";
switch(tf)
{
case PERIOD_M1: tfs="M1" ; break;
case PERIOD_M5: tfs="M5" ; break;
case PERIOD_M15: tfs="M15" ; break;
case PERIOD_M30: tfs="M30" ; break;
case PERIOD_H1: tfs="H1" ; break;
case PERIOD_H4: tfs="H4" ; break;
case PERIOD_D1: tfs="D1" ; break;
case PERIOD_W1: tfs="W1" ; break;
case PERIOD_MN1: tfs="MN1";
}
return(tfs);
}
string StringUpperCase(string str)
{
string s = str;
int lenght = StringLen(str) - 1;
int char;
while(lenght >= 0)
{
char = StringGetChar(s, lenght);
if((char > 96 && char < 123) || (char > 223 && char < 256))
{
s = StringSetChar(s, lenght, char - 32);
}
else
if(char > -33 && char < 0)
{
s = StringSetChar(s, lenght, char + 224);
}
lenght--;
}
return(s);
}
Sample
Analysis
Market Information Used:
Series array that contains open time of each bar
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Indicator Curves created:
Indicators Used:
Relative strength index
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen
It plays sound alerts
It sends emails