/*-----------------------------+ | | | Shared by www.Aptrafx.com | | | +------------------------------*/ //+------------------------------------------------------------------------+ //| ADX-WMA-version.mq4 | //|Copyright © 2004, MetaQuotes Software Corp. modified by Pascal Le Clech | //| http://www.forex-trading-chart.com | //+------------------------------------------------------------------------+ #property copyright "Copyright © 2004, MetaQuotes Software Corp. modified by Pascal Le Clech" #property link "http://www.forex-trading-chart.com" #property indicator_separate_window #property indicator_buffers 3 #property indicator_color1 Blue #property indicator_color2 Green #property indicator_color3 Red //---- input parameters extern int ADXPeriod=14; //---- buffers double ADXBuffer[]; double PlusDiBuffer[]; double MinusDiBuffer[]; double PlusSdiBuffer[]; double MinusSdiBuffer[]; double TempBuffer[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- 3 additional buffers are used for counting. IndicatorBuffers(6); //---- indicator buffers SetIndexBuffer(0,ADXBuffer); SetIndexBuffer(1,PlusDiBuffer); SetIndexBuffer(2,MinusDiBuffer); SetIndexBuffer(3,PlusSdiBuffer); SetIndexBuffer(4,MinusSdiBuffer); SetIndexBuffer(5,TempBuffer); //---- name for DataWindow and indicator subwindow label IndicatorShortName("ADX("+ADXPeriod+")"); SetIndexLabel(0,"ADX"); SetIndexLabel(1,"+DI"); SetIndexLabel(2,"-DI"); //---- SetIndexDrawBegin(0,ADXPeriod); SetIndexDrawBegin(1,ADXPeriod); SetIndexDrawBegin(2,ADXPeriod); //---- return(0); } //+------------------------------------------------------------------+ //| Average Directional Movement Index | //+------------------------------------------------------------------+ int start() { double pdm,mdm,tr; double price_high,price_low; int starti,i,counted_bars=IndicatorCounted(); //---- i=Bars-2; PlusSdiBuffer[i+1]=0; MinusSdiBuffer[i+1]=0; if(counted_bars>=i) i=Bars-counted_bars-1; starti=i; //---- while(i>=0) { price_low=Low[i]; price_high=High[i]; //---- pdm=price_high-High[i+1]; mdm=Low[i+1]-price_low; if(pdm<0) pdm=0; // +DM if(mdm<0) mdm=0; // -DM if(pdm==mdm) { pdm=0; mdm=0; } else if(pdm<mdm) pdm=0; else if(mdm<pdm) mdm=0; //---- âû÷èñëÿåì èñòèííûé èíòåðâàë double num1=MathAbs(price_high-price_low); double num2=MathAbs(price_high-Close[i+1]); double num3=MathAbs(price_low-Close[i+1]); tr=MathMax(num1,num2); tr=MathMax(tr,num3); //---- counting plus/minus direction if(tr==0) { PlusSdiBuffer[i]=0; MinusSdiBuffer[i]=0; } else { PlusSdiBuffer[i]=100.0*pdm/tr; MinusSdiBuffer[i]=100.0*mdm/tr; } //---- i--; } //---- last counted bar will be recounted if(counted_bars>0) counted_bars--; int limit=Bars-counted_bars; //---- apply EMA to +DI for(i=0; i<=limit; i++) PlusDiBuffer[i]=iMAOnArray(PlusSdiBuffer,Bars,ADXPeriod,0,MODE_EMA,i); //---- apply EMA to -DI for(i=0; i<=limit; i++) MinusDiBuffer[i]=iMAOnArray(MinusSdiBuffer,Bars,ADXPeriod,0,MODE_EMA,i); //---- Directional Movement (DX) i=Bars-2; TempBuffer[i+1]=0; i=starti; while(i>=0) { double div=MathAbs(PlusDiBuffer[i]+MinusDiBuffer[i]); if(div==0.00) TempBuffer[i]=0; else TempBuffer[i]=100*(MathAbs(PlusDiBuffer[i]-MinusDiBuffer[i])/div); i--; } // Modification with WMA by Pascal Le Clech int cnt=Bars; if(counted_bars>=cnt) cnt=Bars-counted_bars-1; //---- // if Bars < Period then no calculation if(limit>0){ while(cnt>=0){ if(cnt>Bars-ADXPeriod){ ADXBuffer[cnt]=TempBuffer[cnt]/cnt+(cnt-1)*ADXBuffer[cnt+1]/cnt; } else{ ADXBuffer[cnt]=TempBuffer[cnt]/ADXPeriod+(ADXPeriod-1)*ADXBuffer[cnt+1]/ADXPeriod; } cnt--; } } else{ return (0); } // //---- ADX is exponential moving average on DX /* for(i=0; i<limit; i++) ADXBuffer[i]=iMAOnArray(TempBuffer,Bars,ADXPeriod,0,MODE_EMA,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:
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: