//+------------------------------------------------------------------+ //| 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); SetIndexStyle(1,DRAW_ARROW,EMPTY,3); SetIndexArrow(1,234); SetIndexBuffer(1,CrossDown); 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 i,counter; double tmp=0; double fastMAnow,slowMAnow,fastMAprevious,slowMAprevious; double Range,AvgRange; int counted_bars=IndicatorCounted(); if(counted_bars<0) return(-1); if(counted_bars>0) counted_bars--; int limit=Bars-counted_bars; if(counted_bars==0) limit-=1+9; //---- 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); } if((fastMAnow>slowMAnow) && (fastMApreviousslowMAprevious)) { 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); } //+------------------------------------------------------------------+