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Description |
This function returns an historical volatility value. | ||||||
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Syntax |
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Parameters |
SERIES Use the SERIES parameter when you are referencing a study value. In chart windows, values are displayed in decimals. In quote windows, values are displayed in the units of the underlying instrument.
INPUT Use the INPUT parameter when you are referencing an overlay value.
periods The period parameter defines the number of bars to use in the calculation.
deviations Optional. If omitted, Hvol() uses 1.
tPeriods Optional. If omitted, Hvol() uses 0.
tBase Optional. If omitted, Hvol() uses 0.
method Optional. Identifies the drawing method. Possible values are:
If omitted, Hvol() uses 0.
<shift> Optional. A number, positive or negative, enclosed in brackets defining the number of bars (periods) to shift the formula line. Typically used only in formulas that will be displayed in chart windows. | ||||||
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Return Value |
An Historical Volatility value. | ||||||
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Examples |
HVOL_EX1(SERIES)=HVOL(SERIES)
HVOL_EX2(INPUT,PERIOD=14,DEV=2,Tper=9,Tbase=1,method=1)=begin retval = HVOL(INPUT,PERIOD,DEV,Tper,Tbase,method) end | ||||||
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Comments |
NA |
