Smoothed RSI — Indicator by HPotter

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.

Open-source script

In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.

Disclaimer

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Want to use this script on a chart?

////////////////////////////////////////////////////////////
//  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")