The Variation Oscillator is a volatility-type indicator.
This indicator is based on a statistical measure known as coefficient of variation (COV).
COV is a standardized measure of dispersion for a set of values.
COV = 100 * standard deviation / mean
This oscillator measures the difference between COV and its sma and plots this difference.
Formula: Oscillator value = COV - sma of COV
The oscillator is positive when COV is greater than its sma.
The oscillator is negative when COV is lesser than its sma.
How to interpret the indicator's values:
Positive : the current volatility is higher than normal and trading is permitted.
Negative : the current volatility is lower than normal and trading is NOT permitted.
Recommended settings:
Cov = 10
Sma = between 20 and 100
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