Bollinger Bands Width. One of its application methods was described in FOREX Magazine â„–123 (July 2006) on page 47.
Indicator input parameters:
//+-----------------------------------+
//| Input parameters of the indicator |
//+-----------------------------------+
input uint bands_period=20; //smoothing depth                   Â
input double deviation=2.0; //deviation
input ENUM_APPLIED_PRICEÂ Â applied_price=PRICE_CLOSE; //type of price or handle
input int Shift=0; //horizontal shift of the indicator in bars
//+-----------------------------------+ //| Input parameters of the indicator | //+-----------------------------------+ input uint bands_period=20; //smoothing depth                    input double deviation=2.0; //deviation input ENUM_APPLIED_PRICE  applied_price=PRICE_CLOSE; //type of price or handle input int Shift=0; //horizontal shift of the indicator in bars
i-BB-WidthÂ
This indicator was first implemented in MQL4 and published 30.05.2007.Â