how are there different views in the portfolio scorecard

Document ID : KB000113266
Last Modified Date : 20/09/2018
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The Scorecard area of the portfolio is used to report data. The configuration of this screen is now different than originally configured.

How is it possible to have different views in Portfolio Scorecard
1. There is a Stock view assigned to each portlet
2. A user can customize this stock view. Once customize any changes to the stock view does not get pushed to the end users. 
3. However if the view changes and the portlet gets published again, it will override any customizations.