MovROC (KST indicator)

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//  Copyright by HPotter v1.0 10/07/2014
// This indicator really is the KST indicator presented by Martin Pring. 
// the KST indicator is a weighted summed rate of change oscillator that 
// is designed to identify meaningful turns. Various smoothed rate of change 
// indicators can be combined to form different measurements of cycles.
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study(title="MovROC (KST indicator)", shorttitle="MovROC (KST indicator)")
hline(0, color=purple, linestyle=line)
xROC6 = sma(roc(close, 6), 10)
xROC10 = sma(roc(close, 10), 10)
xROC15 = sma(roc(close, 15), 9)
xROC20 = sma(roc(close, 20), 15)
nRes = xROC6 + (2 * xROC10) + (3 * xROC15) + (4 * xROC20)
plot(nRes, color=blue, title="MovROC (KST indicator)")