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Here's Gitanshu's indicator for Tradestation if anyone's interested. I made
a couple of modifications to test different input lengths.
{*****************************************************
Volatility Indicator from Gitanshu Buch
Modified by John Manasco
Compares ShortLen volatility to LongLen volatility
Gitanshu used 6 and 100 as default values. I changed
them to inputs so I could play with different lengths.
*****************************************************}
Input: Shortlen(6), LongLen(100);
Vars: HistVol(0);
HistVol =
StdDev(Log(Close/Close[1]),ShortLen)/StdDev(Log(Close/Close[1]),LongLen);
Plot1(HistVol,"HistVol");
Plot2(0.5,"LowerBnd",Yellow);
Plot3(1.6,"UpperBnd",Yellow);
John Manasco
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