//+------------------------------------------------------------------+ //| CCI.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_buffers 1 #property indicator_color1 LightSeaGreen //---- input parameters extern int CCIPeriod = 14; //---- buffers double CCIBuffer[]; double RelBuffer[]; double DevBuffer[]; double MovBuffer[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { string short_name; //---- 3 additional buffers are used for counting. IndicatorBuffers(4); SetIndexBuffer(1, RelBuffer); SetIndexBuffer(2, DevBuffer); SetIndexBuffer(3, MovBuffer); //---- indicator lines SetIndexStyle(0, DRAW_LINE); SetIndexBuffer(0, CCIBuffer); //---- if(CCIPeriod <= 0) CCIPeriod = 14; //---- SetIndexDrawBegin(0, CCIPeriod); //---- name for DataWindow and indicator subwindow label short_name="CCI(" + CCIPeriod + ")"; IndicatorShortName(short_name); SetIndexLabel(0, short_name); //---- return(0); } //+------------------------------------------------------------------+ //| Commodity Channel Index | //+------------------------------------------------------------------+ int start() { int i, k, counted_bars = IndicatorCounted(); double price, sum, mul; if(CCIPeriod <= 1) return(0); if(Bars <= CCIPeriod) return(0); //---- initial zero if(counted_bars < 1) { for(i = 1; i <= CCIPeriod; i++) CCIBuffer[Bars-i] = 0.0; for(i = 1; i <= CCIPeriod; i++) DevBuffer[Bars-i] = 0.0; for(i = 1; i <= CCIPeriod; i++) MovBuffer[Bars-i] =0.0; } //---- last counted bar will be recounted int limit = Bars - counted_bars; if(counted_bars > 0) limit++; //---- moving average for(i = 0; i < limit; i++) MovBuffer[i] = iMA(NULL, 0, CCIPeriod, 0, MODE_SMA, PRICE_TYPICAL, i); //---- standard deviations i = Bars - CCIPeriod + 1; if(counted_bars > CCIPeriod - 1) i = Bars - counted_bars - 1; mul = 0.015 / CCIPeriod; while(i >= 0) { sum = 0.0; k = i + CCIPeriod - 1; while(k >= i) { price =(High[k] + Low[k] + Close[k]) / 3; sum += MathAbs(price - MovBuffer[i]); k--; } DevBuffer[i] = sum*mul; i--; } i = Bars - CCIPeriod + 1; if(counted_bars > CCIPeriod - 1) i = Bars - counted_bars - 1; while(i >= 0) { price = (High[i] + Low[i] + Close[i]) / 3; RelBuffer[i] = price - MovBuffer[i]; i--; } //---- cci counting i = Bars - CCIPeriod + 1; if(counted_bars > CCIPeriod - 1) i = Bars - counted_bars - 1; while(i >= 0) { if(DevBuffer[i] == 0.0) CCIBuffer[i] = 0.0; else CCIBuffer[i] = RelBuffer[i] / DevBuffer[i]; i--; } //---- return(0); } //+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains close prices for 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:
Implements a curve of type DRAW_LINE
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: