//+------------------------------------------------------------------+
//| BB_Diff.mq4 |
//| Copyright � 2006, Akuma99. |
//| http://www.beginnertrader.com |
//+------------------------------------------------------------------+
#property copyright "Copyright � 2006, Akuma99."
#property link "http://www.beginnertrader.com"
#property indicator_chart_window
extern double bbPeriod=20;
extern double bbDev=2.0;
extern string displayText="Bollinger Band Difference:";
int start() {
int counted_bars=IndicatorCounted();
double upperBand = iBands(NULL,0,bbPeriod,bbDev,0,PRICE_CLOSE,MODE_UPPER,0);
double lowerBand = iBands(NULL,0,bbPeriod,bbDev,0,PRICE_CLOSE,MODE_LOWER,0);
double bandDifference = upperBand-lowerBand;
Comment("\n",displayText," ", bandDifference, " (", bandDifference/Point," Pips)");
return(0);
}