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Volatility is defined as the price range for a period, divided by the average price for the period: For instance, on 6/25/2009 the average price was 34.56 with a range of 1.35, indicating a Daily Volatility of 3.9%. Daily Volatility (the daily range as a portion of the daily average price) is plotted in green. Blue is Weekly Volatility, which is the weekly range as a portion of the weekly average price. This is a different concept from the weekly average of daily volatility. The red plot shows the actual price. The remaining marks on the plot correspond to the Volatility measured across several time intervals. Investors often make a distinction between the concept of Volatility, and the concept of Risk. Academics define them to be exactly equivalent, but as can be seen here, there is good reason to distinguish between the levels of volatility or risk experienced across different time frames. Average Daily Volatility over the history of CCU has been 2% in contrast to the Average Quarterly Volatility of 26%. |
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You may be familiar with the "yield curve" which shows how interest bearing yields vary according to term. These Volatility Curves each apply to a discrete time interval. From left to right, each position plots the Volatility associated with increasing intervals of time. However, as seen in this plot of the CCU Volatility Curve, the increase is not constant. |
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A frequency distribution of the green points on the first chart (the daily volatility) yields this histogram. |
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Similarly, the purple points on the top chart, the Quarterly Volatility Values, are subjected to frequency distribution here. |
Refined Volatility Risk Analysis for CCU : |
| Wednesday, July 01, 2009: We have news on Public Service Enterprise Group Inc., ticker symbol PEG. Signs of an over-bought condition have become noticable. Also, there are breaking events concerning The Travelers Companies, Inc. and Kellogg Company. From the News Archive: (7/1/2009 ) Favorable events happened at Allegheny Energy, Inc., Bank of America Corporation, and American International Group, Inc.. Meanwhile, bad news came from Lexmark International, Inc.. |