Chapter II: Risks associated with short and long period price changes can be understood through Volatility Analysis. Here the impact of the Volatility Curve on the potential profitability positions across different time spans is shown. |
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This chart shows Volatility for International Paper, defined to be the price range as a portion of the average price: So, to derive the Daily Volatility on 3/10/2010 of 2.5%, the price range for the day (0.63) was divided by the average price (25.19). 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. For reference, the price is plotted in red. Volatility, as measured through various intervals, ( Daily, Weekly, Monthly and Quarterly) is plotted according to color. 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. During 30 years, the Average Quarterly Volatility of IP stock price has been 22% while the Average Daily Volatility has been 3%. |
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If you have ever seen a "yield curve" you should be able to understand the concept behind this "yield curve". Each Volatility Curve is a snapshot in time. From left to right, each position plots the Volatility associated with increasing intervals of time. However, as seen in this plot of the IP Volatility Curve, the increase is not constant. |
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This histogram is a frequency distribution of Daily Volatility, corresponding to the green points on the first chart on this page. |
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In a similar vein, the Frequency Distribution of the Quarterly Volatility is plotted here. This is the distribution of the values plotted in purple on the top chart from this page. |
Refined Volatility Risk Analysis for IP : |
| In the news, Thursday, March 18, 2010: An unfavorable condition has developed with MicroSoft, ticker symbol MSFT. Also, there are breaking events concerning AOL Time Warner (TWX) and Mylan Inc. (MYL) |