//+------------------------------------------------------------------+ //| EMA-Crossover_Signal.mq4 | //| Copyright © 2005, Jason Robinson (jnrtrading) | //| http://www.jnrtading.co.uk | //+------------------------------------------------------------------+ /* +------------------------------------------------------------------+ | Allows you to enter two ema 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 emas | | 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 DarkGreen #property indicator_width1 3 #property indicator_color2 Red #property indicator_width2 3 double CrossUp[]; double CrossDown[]; extern string note1 = "0=sma, 1=ema, 2=smma, 3=lwma"; extern int FasterMode = 1; //0=sma, 1=ema, 2=smma, 3=lwma extern string note2 = "First MA"; extern int FasterMA = 5; extern string note3 = "0=sma, 1=ema, 2=smma, 3=lwma"; extern int SlowerMode = 1; //0=sma, 1=ema, 2=smma, 3=lwma extern string note4 = "Second MA"; extern int SlowerMA = 12; extern bool UseAlert = False; double alertBar; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators SetIndexStyle(0, DRAW_ARROW, EMPTY); SetIndexArrow(0, 233); SetIndexBuffer(0, CrossUp); SetIndexStyle(1, DRAW_ARROW, EMPTY); SetIndexArrow(1, 234); SetIndexBuffer(1, CrossDown); //---- return(0); } //+------------------------------------------------------------------+ //| Custom indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { //---- //---- return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { int limit, i, counter; double fasterMAnow, slowerMAnow, fasterMAprevious, slowerMAprevious, fasterMAafter, slowerMAafter; 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; fasterMAnow = iMA(NULL, 0, FasterMA, 0, FasterMode, PRICE_CLOSE, i); fasterMAprevious = iMA(NULL, 0, FasterMA, 0, FasterMode, PRICE_CLOSE, i+1); fasterMAafter = iMA(NULL, 0, FasterMA, 0, FasterMode, PRICE_CLOSE, i-1); slowerMAnow = iMA(NULL, 0, SlowerMA, 0, SlowerMode, PRICE_CLOSE, i); slowerMAprevious = iMA(NULL, 0, SlowerMA, 0, SlowerMode, PRICE_CLOSE, i+1); slowerMAafter = iMA(NULL, 0, SlowerMA, 0, SlowerMode, PRICE_CLOSE, i-1); if ((fasterMAnow > slowerMAnow) && (fasterMAprevious < slowerMAprevious) && (fasterMAafter > slowerMAafter)) { CrossUp[i] = Low[i] - Range*1.5; if (UseAlert==1 && Bars>alertBar) Alert(Symbol(), "Buy signal", Period());alertBar = Bars; } else if ((fasterMAnow < slowerMAnow) && (fasterMAprevious > slowerMAprevious) && (fasterMAafter < slowerMAafter)) { CrossDown[i] = High[i] + Range*1.5; if (UseAlert==1 && Bars>alertBar) Alert(Symbol(), "Sell signal", Period());alertBar = Bars; } } return(0); }
Sample
Analysis
Market Information Used:
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