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Non-Tech : Dorsey Wright & Associates. Point and Figure

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To: Tommy Dorsey who wrote (5453)1/27/2000 8:59:00 AM
From: WaveSeeker  Read Replies (1) of 9427
 
Tom,

Great post - this is exactly how I trade based on the number of standard deviations, and I adjust the number of standard deviations based on the time frame. For example, I may look to buy a stock in a strong uptrend that has pulled back 1 standard deviation of its 50-day moving average over a 5-day timeframe.

I always factor into my systems the "fat tails" problem as well, market events such as an earnings warning that will send a stock down 30% overnight. You can have a trading system that is profitable 9 out of 10 times, but that 1 time is enough to make it a flat proposition at best.

WS
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