Syntax
Public function ChaikinVolatility(ByRef Data As Database, ByRef OHLCV As RecordSet, ByVal Periods As Integer, ByVal ROC As Integer, ByVal MAType As Integer, Optional ByVal FieldAliasName As String = "") As RecordSet
Overview
The Chaikin Volatility Oscillator is a moving average derivative of the Accumulation/Distribution index.
Interpretation
The Chaikin Volatility Oscillator adjusts with respect to volatility, independent of long-term price action.
Note
ROC is an integer specifying the Rate Of Change to use in the Chaikin calculations. MAType is an integer specifying the moving average type to be used (Simple = 1, Exponential = 2, TimeSeries = 3, Variable = 4, Triangular = 5, Weighted = 6, VIDYA = 7).
Class: Oscillator
Parameters
Return Type |
Returns object of type Recordset |
Default Field Name(s) |
ChaikinVolatility |
Sample
Public Sub main()
'Variables
Dim _symbolInfo As VTLGeneral.CSymbol=ClientCode.GetSymbolByName("GOLD")
Dim DB As New VTLGeneral.Database()
Dim rsOHLCV As New VTLGeneral.RecordSet()
Dim RecordCount As Integer
Dim m_Recordset As VTLGeneral.RecordSet
Dim _historyData As object()
Dim output As String
Dim Record As Integer
Dim m_Date As VTLGeneral.Field
Dim m_Open As VTLGeneral.Field
Dim m_High As VTLGeneral.Field
Dim m_Low As VTLGeneral.Field
Dim m_Close As VTLGeneral.Field
Dim j As Integer = 0
Dim i As Integer = 0
Dim _recordCount As Integer =ClientCode.Bars(_symbolInfo.ID,VTLGeneral.ENUM_PERIOD.Day)
m_Recordset = DB.CreateRecord
m_Open = New VTLGeneral.Field
m_High = New VTLGeneral.Field
m_Low = New VTLGeneral.Field
m_Close = New VTLGeneral.Field
DB.RecordCount = _recordCount
RecordCount = _recordCount
'Initialize Recordsets
m_Open.initialize(_recordCount-1, "Open")
m_High.initialize(_recordCount-1, "High")
m_Low.initialize(_recordCount-1, "Low")
m_Close.initialize(_recordCount-1, "Close")
'load high, low ,open and data
_historyData = ClientCode.GetChartHistory(_symbolInfo.ID, VTLGeneral.ENUM_PERIOD.Day,VTLGeneral.ENUM_HISTORY_TYPE.HIS_HIGH, _recordCount)
For i = 0 To _recordCount-1
m_High.setValue(i,_historyData(i))
Next
_historyData = ClientCode.GetChartHistory(_symbolInfo.ID, VTLGeneral.ENUM_PERIOD.Day,VTLGeneral.ENUM_HISTORY_TYPE.HIS_LOW, _recordCount)
For i = 0 To _recordCount-1
m_Low.setValue(i,_historyData(i))
Next
_historyData = ClientCode.GetChartHistory(_symbolInfo.ID, VTLGeneral.ENUM_PERIOD.Day,VTLGeneral.ENUM_HISTORY_TYPE.HIS_OPEN, _recordCount)
For i = 0 To _recordCount-1
m_Open.setValue(i,_historyData(i))
Next
_historyData = ClientCode.GetChartHistory(_symbolInfo.ID, VTLGeneral.ENUM_PERIOD.Day,VTLGeneral.ENUM_HISTORY_TYPE.HIS_CLOSE, _recordCount)
For i = 0 To _recordCount-1
m_Close.setValue(i,_historyData(i))
Next
m_Recordset.addField(m_Open)
m_Recordset.addField(m_High)
m_Recordset.addField(m_Low)
m_Recordset.addField(m_Close)
'WeightedMovingAverage indicator
Dim _indRecord As New VTLGeneral.RecordSet()
Dim osc As New VTLGeneral.Oscillator ()
_indRecord = osc.ChaikinVolatility(DB,m_Recordset,14,1,5)
For i = 0 To DB.getRecordCount-1
output = output & CSTR(_indRecord.getValue(_indRecord.getName(1), i) ) & vbcrlf
Next
GUI.MsgDialog(output)
End Sub
See Also
Back to VTL Server Script Index
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