HPotter

Volatility

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The Volatility function measures the market volatility by plotting a
smoothed average of the True Range. It returns an average of the TrueRange
over a specific number of bars, giving higher weight to the TrueRange of
the most recent bar.
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////////////////////////////////////////////////////////////
//  Copyright by HPotter v1.0 29/05/2014
// The Volatility function measures the market volatility by plotting a 
// smoothed average of the True Range. It returns an average of the TrueRange 
// over a specific number of bars, giving higher weight to the TrueRange of 
// the most recent bar.
////////////////////////////////////////////////////////////
study(title="Volatility", shorttitle="Volatility")
Length = input(10, minval=1)
xATR = atr(Length)
nRes = ((Length - 1) * nz(nRes[1], 0) + xATR) / Length
plot(nRes, color=blue, title="Volatility")
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