VIDYA Moving Average   

VIDYA (Volatility Index Dynamic Average) developed by Chande, is a variable-length moving average, which adapts to the volatility in question by exponentially smoothing data based on standard deviation .The VIDYA uses a volatility index for weighting the data points. 

Usage:
In this moving average the adjustment is done primarily to improve its responsiveness in times of heightened volatility. The indicator is more responsive to market price movements than a conventional simple or exponential moving average, and can be used for position trading.