Chapter III: This section shows historical volumes for sales of ABT stock, along with Seasonal and Cyclical Trends in Volume. |
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Here is an explanation of the historical volume charts for Abbott Laboratories: The top chart plots the average daily volume on a monthly basis for ABT over the past 5 years. Blue marks the de-seasonalized trend, which is a least squares linear regression applied to the ABT prices after seasonal variations have been filtered out. Typical Seasonal Patterns might show a January Effect, and possibly some quarterly distortions due to the periodic release of financial reports. Long Term Cyclical Patterns can reflect the degree of public interest in the stock market, as well as interest in the particular company. |
Refined Volume Trend Analysis for ABT : |
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