xpMA_002
Download scriptThis script is a versatile technical analysis tool designed to help traders identify trends and potential entry points in financial markets. It functions by calculating various types of "Moving Averages," which are used to smooth out price fluctuations and reveal the underlying direction of an asset.
Core Functionality
1. Versatile Moving Average Options The script is highly flexible, allowing users to choose from a wide variety of mathematical models to calculate trends. Rather than being limited to one method, it can switch between:
- Standard averages (Simple, Exponential, Smoothed, and Linear Weighted).
- Advanced technical indicators (DEMA, TEMA, T3MA, Jurik, Hull, DECEMA, and SALT).
2. Dynamic Price Tracking The tool can be configured to "watch" different price points on a chart, such as the opening price, the closing price, or the highest and lowest prices reached during a specific timeframe.
3. Trend Identification Logic Once a moving average is selected, the script performs a secondary calculation to determine the current momentum. It compares the current value of the moving average against a "Step Period" average.
- If the price is performing above this calculated threshold, it identifies an upward trend.
- If the price is performing below this threshold, it identifies a downward trend.
Visual and Notification Features
To make these calculations actionable for a trader, the script provides several visual and automated feedback systems:
- On-Chart Arrows: The script automatically places arrows on the chart to signal when a trend shift occurs. Blue arrows typically indicate an upward signal, while red arrows indicate a downward signal.
- Dynamic Offsets: To ensure the arrows are clearly visible and do not overlap with the price candles, the script includes a "Shift" logic. This pushes the arrows slightly above or below the price based on the specific timeframe being viewed (e.g., larger shifts for daily charts, smaller shifts for 1-minute charts).
- Real-Time Alerts: Traders can receive instant notifications. The script can trigger:
- Pop-up Alerts: Immediate visual alerts on the trading platform.
- Email Notifications: Automated emails sent to the user's registered address when a new signal appears.
Summary for the User
In plain terms, this tool acts as an automated trend analyst. It looks at historical price data using your preferred mathematical model, determines if the current momentum is turning up or down, and then "calls out" those moments to you using arrows, on-screen alerts, and emails, allowing you to react to market changes without having to constantly stare at the raw price movements.
//Version: 9
//Updated: December 22, 2006
//+------------------------------------------------------------------+
//| XP Moving Average |
//| xpMA.mq4 |
//| Developed by Coders Guru |
//| http://www.xpworx.com |
//+------------------------------------------------------------------+
#property link "http://www.xpworx.com"
#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Yellow
#property indicator_color2 Red
#property indicator_color3 Blue
#define MODE_DEMA 4
#define MODE_TEMA 5
#define MODE_T3MA 6
#define MODE_JMA 7
#define MODE_HMA 8
#define MODE_DECEMA 9
#define MODE_SALT 10
/* Moving average types constants:
------------------------------------
MODE_SMA 0 Simple moving average,
MODE_EMA 1 Exponential moving average,
MODE_SMMA 2 Smoothed moving average,
MODE_LWMA 3 Linear weighted moving average.
MODE_DEMA 4 Double Exponential Moving Average.
MODE_TEMA 5 Triple Exponential Moving Average.
MODE_T3MA 6 T3 Moving Average.
MODE_JMA 7 Jurik Moving Average.
MODE_HMA 8 Hull Moving Average.
MODE_DECEMA 9 DECEMA Moving Average.
MODE_SALT 10 SALT Indicator.
------------------------------------*/
/* Applied price constants:
-------------------------------
PRICE_CLOSE 0 Close price.
PRICE_OPEN 1 Open price.
PRICE_HIGH 2 High price.
PRICE_LOW 3 Low price.
PRICE_MEDIAN 4 Median price, (high+low)/2.
PRICE_TYPICAL 5 Typical price, (high+low+close)/3.
PRICE_WEIGHTED 6 Weighted close price, (high+low+close+close)/4.
--------------------------------- */
extern int TimeFrame = 0;
extern int MA_Period = 8;
extern int MA_Type = 6;
extern int MA_Applied = PRICE_CLOSE;
extern double T3MA_VolumeFactor = 0.8;
extern double JMA_Phase = 0;
extern int Step_Period = 4;
extern bool DebugMode = false;
bool Alert_On = true;
bool Arrows_On = true;
int UpArrowCode = 241;
int DownArrowCode = 242;
color UpArrowColor = Blue;
color DownArrowColor = Red;
int UpArrowSize = 3;
int DownArrowSize = 3;
bool Email_Alert = false;
string pro = "xpMA_v9";
string ver = "";
double UpBuffer[];
double DownBuffer[];
double Buffer3[];
double buffer[];
double tempbuffer[];
double matriple[];
double signal[];
int nShift;
int init()
{
DeleteStamp();
ver = GenVer();
DeleteAllObjects();
IndicatorBuffers(7);
SetIndexStyle(2,DRAW_LINE,STYLE_DOT,2);
SetIndexBuffer(2,UpBuffer);
SetIndexStyle(1,DRAW_LINE,STYLE_DOT,2);
SetIndexBuffer(1,DownBuffer);
SetIndexStyle(0,DRAW_LINE,STYLE_DOT,2);
SetIndexBuffer(0,Buffer3);
SetIndexBuffer(3,signal);
SetIndexBuffer(4,buffer);
SetIndexBuffer(5,tempbuffer);
SetIndexBuffer(6,matriple);
SetIndexLabel(0,"XP Moving Average");
SetIndexLabel(1,"DownBuffer");
SetIndexLabel(2,"UpBuffer");
SetIndexLabel(3,"Signal");
switch(Period())
{
case 1: nShift = 5; break;
case 5: nShift = 7; break;
case 15: nShift = 10; break;
case 30: nShift = 15; break;
case 60: nShift = 20; break;
case 240: nShift = 30; break;
case 1440: nShift = 80; break;
case 10080: nShift = 150; break;
case 43200: nShift = 250; break;
}
return(0);
}
int deinit()
{
DeleteStamp();
DeleteAllObjects();
return(0);
}
void start()
{
StampVersion(pro,ver,5,20);
int limit;
int i = 0;
int counted_bars=IndicatorCounted();
if(counted_bars<0) return(-1);
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;
switch (MA_Type)
{
case 0:
case 1:
case 2:
case 3:
{
for(i=0; i<limit; i++)
{
buffer[i] = iMA(NULL,TimeFrame,MA_Period,0,MA_Type,MA_Applied,i);
}
}
break;
case 4:
{
for(i=0; i<limit; i++)
{
tempbuffer[i] = iMA(NULL,TimeFrame,MA_Period,0,MODE_EMA,MA_Applied,i);
}
for(i=0; i<limit; i++)
{
matriple[i] = iMAOnArray(tempbuffer,0,MA_Period,0,MODE_EMA,i);
}
for(i=0; i<limit; i++)
{
buffer[i] = iMAOnArray(matriple,0,MA_Period,0,MODE_EMA,i);
}
}
break;
case 5:
{
for(i=0; i<limit; i++)
{
tempbuffer[i] = iMA(NULL,TimeFrame,MA_Period,0,MODE_EMA,MA_Applied,i);
}
for(i=0; i<limit; i++)
{
buffer[i] = iMAOnArray(tempbuffer,0,MA_Period,0,MODE_EMA,i);
}
}
break;
case 6:
{
for(i=0; i<limit; i++)
{
buffer[i] = iCustom(NULL,TimeFrame,"T3MA",MA_Period,T3MA_VolumeFactor,0,i);
}
}
break;
case 7:
{
for(i=0; i<limit; i++)
{
buffer[i] = iCustom(NULL,TimeFrame,"JMA",MA_Period,JMA_Phase,0,i);
}
}
break;
case 8:
{
for(i=0; i<limit; i++)
{
buffer[i] = iCustom(NULL,TimeFrame,"HMA",MA_Period,0,i);
}
}
break;
case 9:
{
for(i=0; i<limit; i++)
{
buffer[i] = iCustom(NULL,TimeFrame,"DECEMA_v1",MA_Period,MA_Applied,0,i);
}
}
break;
case 10:
{
for(i=0; i<limit; i++)
{
buffer[i] = iCustom(NULL,TimeFrame,"SATL",0,i);
}
}
break;
}
for(int shift=0; shift<limit; shift++)
{
UpBuffer[shift] = buffer[shift];
DownBuffer[shift] = buffer[shift];
Buffer3[shift] = buffer[shift];
}
/*for(shift=0; shift<limit; shift++)
{
if (buffer[shift]<buffer[shift+1])
{
UpBuffer[shift] = EMPTY_VALUE;
}
else if (buffer[shift]>buffer[shift+1] )
{
DownBuffer[shift] = EMPTY_VALUE;
}
else
{
UpBuffer[shift] = CLR_NONE;
DownBuffer[shift] = CLR_NONE;
}
}*/
for(shift=0; shift<limit; shift++)
{
double dMA = 0;
for(int k = shift+1; k <= shift+Step_Period; k++){
dMA += buffer[k];
}
dMA = dMA / Step_Period;
if (buffer[shift] < dMA)
{
UpBuffer[shift] = EMPTY_VALUE;
}
else if (buffer[shift]>dMA)
{
DownBuffer[shift] = EMPTY_VALUE;
}
else
{
UpBuffer[shift] = EMPTY_VALUE;
DownBuffer[shift] = EMPTY_VALUE;
}
}
for(shift=0; shift<limit; shift++)
{
signal[shift]=0;
if(UpBuffer[shift+1] == EMPTY_VALUE && UpBuffer[shift] != EMPTY_VALUE && Buffer3[shift+1] != UpBuffer[shift] )
{
if(Arrows_On && shift !=0) DrawObject(1,shift, buffer[shift] - nShift*Point);
if(Arrows_On && shift ==0) DrawOnce(1,shift, buffer[shift] - nShift*Point,1);
signal[shift] = 1;
}
if(DownBuffer[shift+1] == EMPTY_VALUE && DownBuffer[shift] != EMPTY_VALUE && Buffer3[shift+1] != DownBuffer[shift])
{
if(Arrows_On && shift !=0) DrawObject(2,shift, buffer[shift] + nShift*Point);
if(Arrows_On && shift ==0) DrawOnce(2,shift, buffer[shift] + nShift*Point,2);
signal[shift] = -1;
}
}
if(Alert_On)
{
if(UpBuffer[1] == EMPTY_VALUE && UpBuffer[0] != EMPTY_VALUE && Buffer3[1] != UpBuffer[0])
AlertOnce(Symbol()+ ":" + PeriodToText() + " - Up Signal",1);
if(DownBuffer[1] == EMPTY_VALUE && DownBuffer[0] != EMPTY_VALUE && Buffer3[1] != DownBuffer[0])
AlertOnce(Symbol()+ ":" + PeriodToText() + " - Down Signal",2);
}
if(Email_Alert)
{
if(UpBuffer[1] == EMPTY_VALUE && UpBuffer[0] != EMPTY_VALUE && Buffer3[1] != UpBuffer[0])
SendMailOnce("xpMA Signal",Symbol()+ ":" + PeriodToText() + " - Up Signal",1);
if(DownBuffer[1] == EMPTY_VALUE && DownBuffer[0] != EMPTY_VALUE && Buffer3[1] != DownBuffer[0])
SendMailOnce("xpMA Signal",Symbol()+ ":" + PeriodToText() + " - Down Signal",2);
}
if(DebugMode)
{
TakeScreenShot(40);
}
return(0);
}
bool DrawOnce(int direction, int bar , double price, int ref)
{
static int LastDraw_1 = 0;
static int LastDraw_2 = 0;
static int LastDraw_3 = 0;
static int LastDraw_4 = 0;
switch(ref)
{
case 1:
if( LastDraw_1 == 0 || LastDraw_1 < Bars )
{
DrawObject(direction, bar , price);
LastDraw_1 = Bars;
return (1);
}
break;
case 2:
if( LastDraw_2 == 0 || LastDraw_2 < Bars )
{
DrawObject(direction, bar , price);
LastDraw_2 = Bars;
return (1);
}
break;
case 3:
if( LastDraw_3 == 0 || LastDraw_3 < Bars )
{
DrawObject(direction, bar , price);
LastDraw_3 = Bars;
return (1);
}
break;
case 4:
if( LastDraw_4 == 0 || LastDraw_4 < Bars )
{
DrawObject(direction, bar , price);
LastDraw_4 = Bars;
return (1);
}
break;
}
}
void DrawObject(int direction, int bar , double price)
{
static int count = 0;
count++;
string Obj = "";
if (direction==1) //up arrow
{
Obj = "xpMA_up_" + DoubleToStr(count,0);
ObjectCreate(Obj,OBJ_ARROW,0,Time[bar],price);
ObjectSet(Obj,OBJPROP_COLOR,UpArrowColor);
ObjectSet(Obj,OBJPROP_ARROWCODE,UpArrowCode);
ObjectSet(Obj,OBJPROP_WIDTH,DownArrowSize);
}
if (direction==2) //down arrow
{
Obj = "xpMA_down_" + DoubleToStr(count,0);
ObjectCreate(Obj,OBJ_ARROW,0,Time[bar],price);
ObjectSet(Obj,OBJPROP_COLOR,DownArrowColor);
ObjectSet(Obj,OBJPROP_ARROWCODE,DownArrowCode);
ObjectSet(Obj,OBJPROP_WIDTH,DownArrowSize);
}
ObjectsRedraw();
}
void DeleteAllObjects()
{
int objs = ObjectsTotal();
string name;
for(int cnt=ObjectsTotal()-1;cnt>=0;cnt--)
{
name=ObjectName(cnt);
if (StringFind(name,"xpMA",0)>-1) ObjectDelete(name);
ObjectsRedraw();
}
}
bool AlertOnce(string alert_msg, int ref)
{
static int LastAlert_1 = 0;
static int LastAlert_2 = 0;
static int LastAlert_3 = 0;
static int LastAlert_4 = 0;
switch(ref)
{
case 1:
if( LastAlert_1 == 0 || LastAlert_1 < Bars )
{
Alert(alert_msg);
LastAlert_1 = Bars;
return (1);
}
break;
case 2:
if( LastAlert_2 == 0 || LastAlert_2 < Bars )
{
Alert(alert_msg);
LastAlert_2 = Bars;
return (1);
}
break;
case 3:
if( LastAlert_3 == 0 || LastAlert_3 < Bars )
{
Alert(alert_msg);
LastAlert_3 = Bars;
return (1);
}
break;
case 4:
if( LastAlert_4 == 0 || LastAlert_4 < Bars )
{
Alert(alert_msg);
LastAlert_4 = Bars;
return (1);
}
break;
}
}
bool SendMailOnce(string subject, string mail_msg, int ref)
{
static int LastMail_1 = 0;
static int LastMail_2 = 0;
static int LastMail_3 = 0;
static int LastMail_4 = 0;
switch(ref)
{
case 1:
if( LastMail_1 == 0 || LastMail_1 < Bars )
{
SendMail(subject,mail_msg);
LastMail_1 = Bars;
return (1);
}
break;
case 2:
if( LastMail_2 == 0 || LastMail_2 < Bars )
{
SendMail(subject,mail_msg);
LastMail_2 = Bars;
return (1);
}
break;
case 3:
if( LastMail_3 == 0 || LastMail_3 < Bars )
{
SendMail(subject,mail_msg);
LastMail_3 = Bars;
return (1);
}
break;
case 4:
if( LastMail_4 == 0 || LastMail_4 < Bars )
{
SendMail(subject,mail_msg);
LastMail_4 = Bars;
return (1);
}
break;
}
}
void TakeScreenShot(int exit_on = -1)
{
int count = 1;
if(!GlobalVariableCheck("ssc"))
{
GlobalVariableSet("ssc",1);
count = 1;
}
else
{
count = GlobalVariableGet("ssc") + 1;
GlobalVariableSet("ssc",count);
}
if ( exit_on > 0 && count > exit_on ) return(0);
string filename = "xpMA\\" + "xpMA_" + Symbol() + "_" + DoubleToStr(count,0) + ".jpg";
ScreenShot(filename,320,480);
}
string PeriodToText()
{
switch (Period())
{
case 1:
return("M1");
break;
case 5:
return("M5");
break;
case 15:
return("M15");
break;
case 30:
return("M30");
break;
case 60:
return("H1");
break;
case 240:
return("H4");
break;
case 1440:
return("D1");
break;
case 10080:
return("W1");
break;
case 43200:
return("MN1");
break;
}
}
void StampVersion(string pro , string ver , int x , int y)
{
string Obj="Stamp_" + pro;
int objs = ObjectsTotal();
string name;
for(int cnt=0;cnt<ObjectsTotal();cnt++)
{
name=ObjectName(cnt);
if (StringFind(name,Obj,0)>-1)
{
ObjectSet(Obj,OBJPROP_XDISTANCE,x);
ObjectSet(Obj,OBJPROP_YDISTANCE,y);
ObjectsRedraw();
}
else
{
ObjectCreate(Obj,OBJ_LABEL,0,0,0);
ObjectSetText(Obj,pro + " - " + ver,8,"arial",Orange);
ObjectSet(Obj,OBJPROP_XDISTANCE,x);
ObjectSet(Obj,OBJPROP_YDISTANCE,y);
ObjectsRedraw();
}
}
if (ObjectsTotal() == 0)
{
ObjectCreate(Obj,OBJ_LABEL,0,0,0);
ObjectSetText(Obj,pro + " - " + ver,8,"arial",Orange);
ObjectSet(Obj,OBJPROP_XDISTANCE,x);
ObjectSet(Obj,OBJPROP_YDISTANCE,y);
ObjectsRedraw();
}
return(0);
}
void DeleteStamp()
{
int objs = ObjectsTotal();
string name;
for(int cnt=ObjectsTotal()-1;cnt>=0;cnt--)
{
name=ObjectName(cnt);
if (StringFind(name,"Stamp",0)>-1) ObjectDelete(name);
ObjectsRedraw();
}
}
string GenVer()
{
string t1;
if(MA_Type==0) t1="SMA";
if(MA_Type==1) t1="EMA";
if(MA_Type==2) t1="SMMA";
if(MA_Type==3) t1="LWMA";
if(MA_Type==4) t1="DEMA";
if(MA_Type==5) t1="TEMA";
if(MA_Type==6) t1="T3MA";
if(MA_Type==7) t1="JMA";
if(MA_Type==8) t1="HMA";
if(MA_Type==9) t1="DECEMA";
if(MA_Type==10) t1="SALT";
return (t1+"("+MA_Period+")");
}
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