HPotter

Smoothed RSI

This is new version of RSI oscillator indicator, developed by John Ehlers.
The main advantage of his way of enhancing the RSI indicator is smoothing
with minimum of lag penalty.
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////////////////////////////////////////////////////////////
//  Copyright by HPotter v1.0 03/09/2014
// This is new version of RSI oscillator indicator, developed by John Ehlers. 
// The main advantage of his way of enhancing the RSI indicator is smoothing 
// with minimum of lag penalty. 
////////////////////////////////////////////////////////////
study(title="Smoothed RSI")
Length = input(10, minval=1)
xValue = (close + 2 * close[1] + 2 * close[2] + close[3] ) / 6
CU23 = sum(iff(xValue > xValue[1], xValue - xValue[1], 0), Length)
CD23 = sum(iff(xValue < xValue[1], xValue[1] - xValue, 0), Length)
nRes = iff(CU23 + CD23 != 0, CU23/(CU23 + CD23), 0)
plot(nRes, color=blue, title="Smoothed RSI")
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