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Pastimes : Bad investing information/advice on the net contest
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To: Edwarda who wrote (112)10/8/1999 3:09:00 PM
From: The Other Analyst   of 214
 
To be fair, there are probably more than a few professionals who would have to pull out a textbook to remind themselves of the difference between beta and volatility. That is not to excuse the web sites for posting the wrong information, of course. Furthermore, I cannot fault professionals for not knowing the difference since they are really academic concepts that are not all that critical in the real world. (I know YOU know all this, I'm just posting it for the record.) Beta calculated from historical price change data has pretty limited value as a predicter. And historic volatility is similarily limited. Implied volatility is a real concept though since it goes into the option pricing models. Do enjoy your weekend.
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