WebCab Technical Analysis for Delphi (COM) v1.1

Aroon.AroonUp Method 

Evaluates the Aroon Up indicator which measures the relative time since the last highest high.

public double AroonUp(
   double[] highs
);

Parameters

highs
An array of the trading highs over the last n-periods where the k-th terms of the array if the trading high on the k-th previous period.

Return Value

Double value of the Aroon Up Indicator for the latest trading period.

Remarks

The indicator will return a value between 0 and 100, where a higher value indicates that the highest high was achieved more recently. Persistent values between 70 and 100 are said to indicate strength in the asset and in conjunction with a low range (i.e. 0-30) in the Aroon Down indicator, indicates an upward trend.

Evaluation

The Aroon Up indicator is given by:

Aroon Up Indicator = 100 * (n - (number of periods since last highest high over n periods) ) / n,

where n is the number of periods being considered (a reasonable default value for n is 14).

Exceptions

Exception TypeCondition
ArgumentExceptionThrown if the highs array is empty.

See Also

Aroon Class | WebCab.COM.Finance.Trading.Indicators Namespace | AroonUpOverPeriod - this indicator is a generalization of this indicator and calculates the values of the Aroon Up indicator over all sub-periods of a given length for all possible periods for which sufficient historical data is provided.