McNichollBandsLibrary "McNichollBands"
This is a library which only functions to make the McNicholl's Bollinger Bands modifications. It's also my first library, so I'll probably screw some things up.
mcNichollBands(alpha, useLogScale, widthMultiplier)
Calculates the McNicholl's Bollinger Bands modifications.
Parameters:
alpha : The alpha constant to be used on the EMA calculations.
useLogScale : Whether to use the log version of the prices or not.
widthMultiplier : The number that shall be multiplied by the volatility to form the bands.
Returns: A tuple containing the lower band, the center line, and the upper band.
Bands
CommonMarkupLibrary "CommonMarkup"
Provides functions for chart markup, such as indicating recession bands.
markRecessionBands(showBands, lineY, labelY)
Mark vertical bands and show recession band labels if argument showBands is true. Example "markRecessionBands(bar_index ,3.0"
Parameters:
showBands : - show vertical recession bands when true. Functionally equiv to no op when false
lineY : - y-axis value for line positioning
labelY : - y-axis value for label positioning
@return true - always answers the value of showBands
