WebCab Technical Analysis for Delphi (COM) v1.1

BollingerBands.LowerBollingerBand Method 

Evaluates the position of the Lower Bollinger Band for a given standard deviation level for a given interval.

public double LowerBollingerBand(
   double[] prices,
   double standardDeviationLevel
);

Parameters

prices
An array of doubles where the k-th term correspond the k-th previous periods price. The length of this array is equal to the number of periods used in the evaluation of the standard deviation and moving average.
standardDeviationLevel
The number of standard deviation which the lower band in shifted from the moving average.

Return Value

The value of the Lower Bollinger Band for the interval considered.

Exceptions

Exception TypeCondition
ArgumentExceptionThrown when the Prices array in empty or the number of standard deviations considered (i.e. the parameters standardDeviationLevel) is not positive number.

See Also

BollingerBands Class | WebCab.COM.Finance.Trading.Indicators Namespace | LowerBollingerBands(double[], double, int) - Evaluates the Lower Bollinger Band over all sub-intervals of a given number of periods rather than a single interval.