Chapter II: This survey looks at historical volatility of LoJack Corp prices. The risks associated with long and short term positions can be evaluated according to projected shapes of the Volatility Curve. |
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Volatility is defined as the price range for a period, divided by the average price for the period: So, to derive the Daily Volatility on 1/29/2010 of 3.4%, the price range for the day (0.15) was divided by the average price (4.33). The Daily Volatility is obtained by dividing the daily range by the daily average. A longer Volatility period such as Weekly Volatility is obtained by dividing the weekly price range by the weekly mean price. It is important to avoid confusing this with the weekly average of the daily volatility, which is a completely different concept. For reference, the price is plotted in red. Volatility, as measured through various intervals, ( Daily, Weekly, Monthly and Quarterly) is plotted according to color. According to academic theory, Volatility is exactly equal to Risk. But investors often make a distinction between these two concepts. The different character of Volatility as seen in different time frames, lends some support to the investor's view. During 17 years, the Average Quarterly Volatility of LOJN stock price has been 35% while the Average Daily Volatility has been 5%. |
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If you have ever seen a "yield curve" you should be able to understand the concept behind this "yield curve". These Volatility Curves each apply to a discrete time interval. As the timespan across which Volatility is measured increases, the Volatility is expected to increase. The relationship between the length of time, and the expected change in price, is not linear, as is demonstrated by this chart. |
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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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Similarly, the purple points on the top chart, the Quarterly Volatility Values, are subjected to frequency distribution here. |
Refined Volatility Risk Analysis for LOJN : |
| In the news, Monday, February 08, 2010: A favorable condition has developed with American International Group, Inc., ticker symbol AIG. Also, there are breaking events concerning ACM Income Fund (ACG) and United Technologies (UTX) |