|
Navigation: Study Formulas > Range/Volatility Range/Volatility |
Top Previous Next |
The study formulas included in the Range/Volatility section are:
averageTrueRange()
This function calculates the Average True Range using Wilder's original formula.
Parameters
period |
the input length |
inv |
select the bar interval on which this study should be calculated or leave blank to calculate on the default bar interval |
hisVolatility1()
This function calculates the historical volatility ratio using the formula: StdDev(Log(C/C[-1]),short)/StdDev(Log(C/C[-1]),long). The input stream can be a standard data point or it can be another study.
Parameters
short |
the fast input length |
long |
the slow input length |
source1 |
the input stream. select from one of the standard data points or select the output of another study as input for this study |
inv |
select the bar interval on which this study should be calculated or leave blank to calculate on the default bar interval |
hisVolatility2()
This function calculates the historical volatility ratio using the formula: (StdDev(Log(C/C[-1]),period)*Sqrt(365)*100). The input stream can be a standard data point or it can be another study.
Parameters
period |
the input period |
source1 |
the input stream. select from one of the standard data points or select the output of another study as input for this study |
inv |
select the bar interval on which this study should be calculated or leave blank to calculate on the default bar interval |
relativeStrengthIBD()
This function calculates the relative strength of the input stream using the algorithm popularized by Investors Business Daily. Typically used with daily data although it can be applied to any input stream. The input stream can be a standard data point or it can be another study.
Parameters
quadrant |
the input period (typically 60) |
source1 |
the input stream. select from one of the standard data points or select the output of another study as input for this study |
inv |
select the bar interval on which this study should be calculated or leave blank to calculate on the default bar interval |
trueRange()
This function calculates the True Range using Wilder's original formula.
Parameters
inv |
select the bar interval on which this study should be calculated or leave blank to calculate on the default bar interval |