//+------------------------------------------------------------------+ //| Fast Stochastic.mq4 | //| Copyright © 2006, MetaQuotes Software Corp. | //| http://www.metaquotes.net/ | //+------------------------------------------------------------------+ #property copyright "Copyright © 2006, MetaQuotes Software Corp." #property link "http://www.metaquotes.net/" #include <stdlib.mqh> //---- #property indicator_separate_window #property indicator_minimum 0 #property indicator_maximum 100 #property indicator_level1 20 #property indicator_level2 80 #property indicator_buffers 2 #property indicator_color1 Blue #property indicator_color2 Red //---- input parameters extern int KPeriod = 5; extern int DPeriod = 3; //---- buffers double MainBuffer[]; double SignalBuffer[]; double HighesBuffer[]; double LowesBuffer[]; //---- int draw_begin = 0; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { string short_name; //---- 2 additional buffers are used for counting. IndicatorBuffers(4); SetIndexBuffer(2, HighesBuffer); SetIndexBuffer(3, LowesBuffer); //---- indicator lines SetIndexStyle(0, DRAW_LINE); SetIndexBuffer(0, MainBuffer); SetIndexStyle(1, DRAW_LINE); SetIndexBuffer(1, SignalBuffer); //---- name for DataWindow and indicator subwindow label short_name="FastStoch(" + KPeriod + "," + DPeriod + ")"; IndicatorShortName(short_name); SetIndexLabel(0, short_name); SetIndexLabel(1, "Signal"); //---- draw_begin = KPeriod + DPeriod; SetIndexDrawBegin(0, KPeriod); SetIndexDrawBegin(1, draw_begin); //---- return(0); } //+------------------------------------------------------------------+ //| Stochastic oscillator | //+------------------------------------------------------------------+ int start() { int i, k; int counted_bars = IndicatorCounted(); double price; //---- if(Bars <= draw_begin) return(0); //---- initial zero if(counted_bars < 1) { for(i = 1; i <= KPeriod; i++) MainBuffer[Bars-i] = 0; for(i = 1; i <= draw_begin; i++) SignalBuffer[Bars-i] = 0; } //---- minimums counting i = Bars - KPeriod; if(counted_bars > KPeriod) i = Bars - counted_bars - 1; while(i >= 0) { double min = 1000000; k = i + KPeriod - 1; while(k >= i) { price = Low[k]; if(min > price) min = price; k--; } LowesBuffer[i] = min; i--; } //---- maximums counting i = Bars - KPeriod; if(counted_bars > KPeriod) i = Bars - counted_bars - 1; while(i >= 0) { double max=-1000000; k = i + KPeriod - 1; while(k >= i) { price = High[k]; if(max < price) max = price; k--; } HighesBuffer[i] = max; i--; } //---- %K line i = Bars - KPeriod; if(counted_bars > KPeriod) i = Bars - counted_bars - 1; while(i >= 0) { if(!CompareDoubles((HighesBuffer[i] - LowesBuffer[i]), 0.0)) MainBuffer[i] = 100*(Close[i] - LowesBuffer[i]) / (HighesBuffer[i] - LowesBuffer[i]); i--; } //---- last counted bar will be recounted if(counted_bars > 0) counted_bars--; int limit = Bars - counted_bars; //---- signal line is simple movimg average for(i = 0; i < limit; i++) SignalBuffer[i] = iMAOnArray(MainBuffer, Bars, DPeriod, 0, MODE_SMA, i); //---- return(0); } //+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Series array that contains close prices for 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: