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Ztrader – Linear Regression Channel 港股博弈


A linear price channel (Raff Regression Channel) is something easy to interpret for ordinary traders. Especially for some stable and trending stocks, like # 1382:



# 2343



These trend lines can be semi-automatically created. The center line is created by linear regression, and the upper and lower band is created by computing the minimum size of the band to include all data points.


One can simplify the trend of a stock by look at the slope of such bands. For example, # 0746 this year, if I draw the trend lines in this way:



So the trend can be interpreted as: Negative => Very Negative => rebound => Negative => Positive


In fact some stocks, like 746, the historical trend show a repeating pattern:


Pattern since mid 2011: Very negative => rebound => Negative => Breakout => Very negative => negative => Positive => breakout => Very negative => rebound => Negative => Positive => ?


And linear price channel seems a helpful tool for this kind of stock. Buy and sell decision can be made on channel breakout, providing the channel is determine.



While this article has not published yesterday, today 746 break out the channel with relative high turnover:



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