William, If you have had statistics you can visualize the bell shaped curve. The high standard deviation is 70% and above and the low standard deviation is 30% and less. When the sectors are above the 68 percentile then the sector is in the overbought area. When the sector is below the 30% then the sector is in the over sold area.
Go to dorseywright.com site, get a two week free trial and pull up the bull percent charts by keying in the various symbols which I have posted,ie bpnyse, bpotc, bpopti, hilo, 10week, 30week, bpaero, bpasia, etc. Then, for individual charts just key in the stock symbol, ie amat, intc, msft, ca, etc.
You can also order the Dorsey Wright book on the site or go to amazon.com and order, I believe.
Paul
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