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Averages > VIDYA (StdDev)

Article/Author: Chande & Kroll for Omega Research Inc., 1997

Download: vidya.ela

File Includes:

Indicator - VIDYA (StdDev)
Function - StdDevVidya

Category: Indicator > Averages

Description:

This indicator plots volatility adjusted length exponential MA based on standard deviation of prices as a measure of volatility. It is dynamic, not static indicator: a variable-length moving average, which adapts to the volatility in question by exponentially smoothing data based on standard deviation.

Usage:

The most popular method of interpreting a moving average is to compare the relationship between a moving average of the security's price with the security's price itself (or between several moving averages).




Inputs:

Alpha - variable
Price - the data series to average
Lenght - the parameter tells how many bars to average

EasyLanguage Code:
INPUT: ALPHA(0.2),PRICE(CLOSE),LENGTH(20);

PLOT1(STDDEVVIDYA(ALPHA,PRICE,LENGTH),"PLOT1");