Public Function AverageDirectionalMovementIndex(chart_ID As Long, period As Integer) As String
The Welles Wilder's Directional Movement System contains five indicators; ADX, DI+, DI-, DX, and ADXR.
The ADX (Average Directional Movement Index) is an indicator of how much the market is trending, either up or down: the higher the ADX line, the more the market is trending and the more suitable it becomes for a trend-following system. This indicator consists of two lines: DI+ and DI-, the first one being a measure of the uptrend and the second one a measure of the downtrend.
Detailed information about this indicator and formulas can be found in Welles Wilder's book, "New Concepts in Technical Trading Systems".
The standard Directional Movement System draws a 14-period DI+ and a 14-period DI- in the same chart panel. ADX is also sometimes shown in the same chart panel.
A buy signal is given when DI+ crosses over DI-, a sell signal is given when DI- crosses over DI+.
||Chart identifier, 0 is the current chart, a value of type Long
||The calculation period, on which the indicator will be calculated, a value of type Integer.
Returns the handles of a technical indicator, in case of failure returns an empty string.
Public Sub main()
'Draws the indicator on the chart and shows an Alert Message with the indicator name.
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