Bernie Schaeffer's - Option program Message Board

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Non-Tech : Bernie Schaeffer's - Option program

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To: DANIEL CHEN who wrote (119)	6/13/1997 9:34:00 PM
From: William H Huebl	of 203

Hi Daniel, You gotta get some good texts and reference manuals. From my MetatStock 6.0 Manual: "Raff Regression Channels contain price movement, with the bottom channel line provideing support and the top channel line providing resisstance. Price may extend outside of the channel for a short period of time. (See, I was wrong there... I thought the channel expanded). However, if prices remain outside the channel for a long period of time, a reversal in trend may be imminent." " Bollinger Bands are a tyupe of envelope developed by John Bollinger. However, where envelopes are plotted at a fixed percentage above and below a moving average, BBs are plotted at standard deviation levels above and below a moving average." The way I see it is the BBs are based on an envelope around a moving average. The Raff channel is based on a least square straight line. As far as I am concerned, the Raff Channel is better at checking long term trends and possible reveral points and BBs are better for short term work. ALTHOUGH, you can also use short length Raff Channels to do the same thing. Regards, Bill

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