//+------------------------------------------------------------------+ //| MA-Crossover_Alert.mq4 | //| Copyright © 2005, Jason Robinson (jnrtrading) | //| http://www.jnrtading.co.uk | //| Modified by Robert Hill to add LSMA and alert or send email | //| Added Global LastAlert to try to have alert only on new cross | //| but does not seem to work. So indicator does alert every bar | //+------------------------------------------------------------------+ /* +------------------------------------------------------------------+ | Allows you to enter two ma periods and it will then show you at | | Which point they crossed over. It is more usful on the shorter | | periods that get obscured by the bars / candlesticks and when | | the zoom level is out. Also allows you then to remove the mas | | from the chart. (emas are initially set at 5 and 6) | +------------------------------------------------------------------+ */ #property copyright "Copyright © 2005, Jason Robinson (jnrtrading)" #property link "http://www.jnrtrading.co.uk" #property indicator_chart_window #property indicator_buffers 2 #property indicator_color1 LawnGreen #property indicator_color2 Red extern bool SoundON=true; extern bool EmailON=false; extern int FastMA_Mode = 1; //0=sma, 1=ema, 2=smma, 3=lwma, 4=lsma extern int FastMA_Period = 5; extern int FastPriceMode = 0;//0=close, 1=open, 2=high, 3=low, 4=median(high+low)/2, 5=typical(high+low+close)/3, 6=weighted(high+low+close+close)/4 extern int SlowMA_Mode = 1; //0=sma, 1=ema, 2=smma, 3=lwma, 4=lsma extern int SlowMA_Period = 6; extern int SlowPriceMode = 0;//0=close, 1=open, 2=high, 3=low, 4=median(high+low)/2, 5=typical(high+low+close)/3, 6=weighted(high+low+close+close)/4 double CrossUp[]; double CrossDown[]; int flagval1 = 0; int flagval2 = 0; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators SetIndexStyle(0, DRAW_ARROW, EMPTY, 3); SetIndexArrow(0, 233); SetIndexBuffer(0, CrossUp); SetIndexEmptyValue(0,0.0); SetIndexStyle(1, DRAW_ARROW, EMPTY, 3); SetIndexArrow(1, 234); SetIndexBuffer(1, CrossDown); SetIndexEmptyValue(1,0.0); GlobalVariableSet("AlertTime"+Symbol()+Period(),CurTime()); GlobalVariableSet("SignalType"+Symbol()+Period(),OP_SELLSTOP); // GlobalVariableSet("LastAlert"+Symbol()+Period(),0); //---- return(0); } //+------------------------------------------------------------------+ //| Custom indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { //---- GlobalVariableDel("AlertTime"+Symbol()+Period()); GlobalVariableDel("SignalType"+Symbol()+Period()); // GlobalVariableDel("LastAlert"+Symbol()+Period()); //---- return(0); } //+------------------------------------------------------------------+ //| LSMA with PriceMode | //| PrMode 0=close, 1=open, 2=high, 3=low, 4=median(high+low)/2, | //| 5=typical(high+low+close)/3, 6=weighted(high+low+close+close)/4 | //+------------------------------------------------------------------+ double LSMA(int Rperiod, int prMode, int shift) { int i; double sum, pr; int length; double lengthvar; double tmp; double wt; length = Rperiod; sum = 0; for(i = length; i >= 1 ; i--) { lengthvar = length + 1; lengthvar /= 3; tmp = 0; switch (prMode) { case 0: pr = Close[length-i+shift];break; case 1: pr = Open[length-i+shift];break; case 2: pr = High[length-i+shift];break; case 3: pr = Low[length-i+shift];break; case 4: pr = (High[length-i+shift] + Low[length-i+shift])/2;break; case 5: pr = (High[length-i+shift] + Low[length-i+shift] + Close[length-i+shift])/3;break; case 6: pr = (High[length-i+shift] + Low[length-i+shift] + Close[length-i+shift] + Close[length-i+shift])/4;break; } tmp = ( i - lengthvar)*pr; sum+=tmp; } wt = sum*6/(length*(length+1)); return(wt); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { int limit, i, counter; double tmp=0; double fastMAnow, slowMAnow, fastMAprevious, slowMAprevious; double Range, AvgRange; 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; for(i = 0; i <= limit; i++) { counter=i; Range=0; AvgRange=0; for (counter=i ;counter<=i+9;counter++) { AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]); } Range=AvgRange/10; if (FastMA_Mode == 4) { fastMAnow = LSMA(FastMA_Period, FastPriceMode, i); fastMAprevious = LSMA(FastMA_Period, FastPriceMode, i+1); } else { fastMAnow = iMA(NULL, 0, FastMA_Period, 0, FastMA_Mode, FastPriceMode, i); fastMAprevious = iMA(NULL, 0, FastMA_Period, 0, FastMA_Mode, FastPriceMode, i+1); } if (SlowMA_Mode == 4) { slowMAnow = LSMA( SlowMA_Period, SlowPriceMode, i); slowMAprevious = LSMA( SlowMA_Period, SlowPriceMode, i+1); } else { slowMAnow = iMA(NULL, 0, SlowMA_Period, 0, SlowMA_Mode, SlowPriceMode, i); slowMAprevious = iMA(NULL, 0, SlowMA_Period, 0, SlowMA_Mode, SlowPriceMode, i+1); } CrossUp[i] = 0.0; CrossDown[i] = 0.0; if ((fastMAnow > slowMAnow) && (fastMAprevious < slowMAprevious)) { if (i == 1 && flagval1==0){ flagval1=1; flagval2=0; } CrossUp[i] = Low[i] - Range*0.75; } else if ((fastMAnow < slowMAnow) && (fastMAprevious > slowMAprevious)) { if (i == 1 && flagval2==0) { flagval2=1; flagval1=0; } CrossDown[i] = High[i] + Range*0.75; } } if (flagval1==1 && CurTime() > GlobalVariableGet("AlertTime"+Symbol()+Period()) && GlobalVariableGet("SignalType"+Symbol()+Period())!=OP_BUY) { // if (GlobalVariableGet("LastAlert"+Symbol()+Period()) < 0.5) // { if (SoundON) Alert("BUY signal at Ask=",Ask,"\n Bid=",Bid,"\n Time=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period()); if (EmailON) SendMail("BUY signal alert","BUY signal at Ask="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period()); // } tmp = CurTime() + (Period()-MathMod(Minute(),Period()))*60; GlobalVariableSet("AlertTime"+Symbol()+Period(),tmp); GlobalVariableSet("SignalType"+Symbol()+Period(),OP_SELL); // GlobalVariableSet("LastAlert"+Symbol()+Period(),1); } if (flagval2==1 && CurTime() > GlobalVariableGet("AlertTime"+Symbol()+Period()) && GlobalVariableGet("SignalType"+Symbol()+Period())!=OP_SELL) { // if (GlobalVariableGet("LastAlert"+Symbol()+Period()) > -0.5) // { if (SoundON) Alert("SELL signal at Ask=",Ask,"\n Bid=",Bid,"\n Date=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period()); if (EmailON) SendMail("SELL signal alert","SELL signal at Ask="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period()); // } tmp = CurTime() + (Period()-MathMod(Minute(),Period()))*60; GlobalVariableSet("AlertTime"+Symbol()+Period(),tmp); GlobalVariableSet("SignalType"+Symbol()+Period(),OP_BUY); // GlobalVariableSet("LastAlert"+Symbol()+Period(),-1); } return(0); }
Sample
Analysis
Market Information Used:
Series array that contains close prices for each bar
Series array that contains open prices of 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_ARROW
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen
It sends emails