/*-----------------------------+
| |
| Shared by www.Aptrafx.com |
| |
+------------------------------*/
//+------------------------------------------------------------------+
//| Keltner ATR Bands .mq4 |
//| This is not Keltner Channels |
//| |
//| Converted by : Dr. Gaines |
//| dr_richard_gaines@yahoo.com |
//| |
//+------------------------------------------------------------------+
#property copyright " Copyright © 2005, MetaQuotes Software Corp."
#property link " http://www.metaquotes.net/"
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 White
#property indicator_color2 White
#include <stdlib.mqh>
//+------------------------------------------------------------------+
//| Common External variables |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| External variables |
//+------------------------------------------------------------------+
extern double MAPeriod = 50;
extern double ATRMult = 3.75;
//+------------------------------------------------------------------+
//| Special Convertion Functions |
//+------------------------------------------------------------------+
double ExtHistoBuffer[];
double ExtHistoBuffer2[];
//+------------------------------------------------------------------+
//| Initialization |
//+------------------------------------------------------------------+
int init()
{
SetIndexStyle(0, DRAW_LINE, STYLE_SOLID);
SetIndexBuffer(0, ExtHistoBuffer);
SetIndexStyle(1, DRAW_LINE, STYLE_SOLID);
SetIndexBuffer(1, ExtHistoBuffer2);
return(0);
}
int start()
{
//+------------------------------------------------------------------+
//| Local variables |
//+------------------------------------------------------------------+
double ma = 0;
double atr = 0;
double KU = 0;
double KL = 0;
int limit, shift;
int counted_bars=IndicatorCounted();
//---- check for possible errors
if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;
/*[[
Name := Keltner ATR Bands
Author := Copyright © 2005, MetaQuotes Software Corp.
Link := http://www.metaquotes.net/
Separate Window := No
First Color := White
First Draw Type := Line
First Symbol := 217
Use Second Data := Yes
Second Color := White
Second Draw Type := Line
Second Symbol := 218
]]*/
// loop from first bar to current bar (with shift=0)
for(shift=limit;shift>=0 ;shift--){
ma = iMA(NULL, 0, MAPeriod, 0, MODE_SMA, PRICE_CLOSE, shift);
atr = iATR(NULL, 0, MAPeriod, shift);
KU = ma + ATRMult*atr;
KL = ma - ATRMult*atr;
ExtHistoBuffer[shift] = KU;
ExtHistoBuffer2[shift] = KL;
}
return(0);
}
Sample
Analysis
Market Information Used:
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Moving average indicator
Indicator of the average true range
Custom Indicators Used:
Order Management characteristics:
Other Features: