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Profile: Thom
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User Name: Thom
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Joined: Sunday, January 9, 2005
Last Visit: Wednesday, March 3, 2010 8:55:17 PM
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Topic: Linear regression channel calculations
Posted: Wednesday, January 26, 2005 11:46:11 PM
Today (1/26/05) I placed a 60 day linear regression line with a channel width of 10 on SNPS. The Linear regression line value for today is 18.30, the upper channel is about 18.61 and the lower channel is about 17.99.

When I calculate the standard deviation of the last 60 closing prices, using EXCEL, I get .80 (0.79973). I would expect TC2000 to plot the upper channel line value to be 19.10 and the lower channel value line to be 17.50.

Can you please explain the difference please.

If TC2000 is calculating the standard deviation on something other than the closing prices what is it using?

Thank you in advance.