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Volatility Analysis for McDonalds

Chapter II: Understanding Price Volatility behaviour is essential to assessing the risk associated with positions across different time spans.

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Daily Volatility = Price Range as a percent of the daily average price. of McDonalds

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 12/3/2010 of 0.9%, the price range for the day (0.74) was divided by the average price (79.42). 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. 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. During 30 years, the Average Quarterly Volatility of MCD stock price has been 19% while the Average Daily Volatility has been 2%.



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Volatility Curve of McDonalds

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. 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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Daily Volatility Histogram of McDonalds

A frequency distribution of the green points on the first chart (the daily volatility) yields this histogram.



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MCD:  Quarterly Volatility Histogram

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.

For Subscribers: Refined Analysis of McDonalds Volatility and Risk Behavior

Refined Volatility Risk Analysis for MCD :


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In the news, Friday, February 18, 2011: An unfavorable condition has developed with Aetna Inc., ticker symbol AET. Also, there are breaking events concerning Dollar Tree, Inc. (DLTR) and First Niagara Financial Group Inc. (FNFG)

More MCD Technical Analysis Topics

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Back to MCD Table of Contents


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