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Strategies & Market Trends : TA-Quotes Plus -- Ignore unavailable to you. Want to Upgrade?

To: Jeff Grover who wrote (3162)	1/20/1998 2:45:00 PM
From: Bob Jagow	Read Replies (1) \| Respond to of 11149

Jeff, I don't understand << Use of the ABS was not the issue (here at least), it was the denominator for calculating a day's Typical Price (turned out to be an over exuberant global replace). >> Re CCI, The denominator is the mean deviation (MD) of the typical price from its moving average over the period; i.e., the sum over i of abs(tp(i) - MovAvg(i,n,tp)). The MD is like the LS deviation, (tp(i) - MovAvg(i,n,tp)^2, but more robust. The similarity BTW is the reason that CCI closely tracks the BB indicator. I can't be sure that the MetaStocks CCI-Std indicator is per the A-to-Z book, but the MSDOS 4.0 manual says that it "is the recently modified version that is consistent with the author's current calculation method". Bob