taex v0.1.3 Taex.Points.Bollinger

The calculation for this was taken from http://stockcharts.com/school/doku.php?id=chart_school:technical_indicators:bollinger_bands Bollinger Band is a registered trademark of John Bollinger.

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Link to this section Types

Link to this type t()
t() :: %{upper: float, middle: float, lower: float}

Link to this section Functions

Link to this function calculate(prices)