Chapter III: Changes in Daily Volume are tracked in time here. Time Series Analysis demonstrates Trends and Cyclical Patterns in the number of shares transacted. |
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Here is an explanation of the historical volume charts for Express Scripts, Inc.: The top chart plots the average daily volume on a monthly basis for ESRX over the past 5 years. Blue marks the de-seasonalized trend, which is a least squares linear regression applied to the ESRX 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. Cyclical Patterns represent longer term changes in trading volume that sometimes reflect the operations of the general business cycle. |
Refined Volume Trend Analysis for ESRX : |
| Friday, February 18, 2011: We have news on Fiserv, Inc., ticker symbol FISV. Signs of an over-bought condition have become noticable. Also, there are breaking events concerning Zimmer Holdings, Inc. and McCormick & Company, Incorporated. From the News Archive: (2/18/2011 ) Bad news came from Reynolds American, Inc., Dollar Tree, Inc., Zimmer Holdings, Inc., and NVIDIA Corp. |