Difference between revisions of "Portfolio Stratification"

From Open Risk Manual
 
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== Usage ==
 
== Usage ==
Stratification involves the production of summaries of pool characteristics (stratification tables) as they relate to attributes such as  
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[[Stratification]] involves the production of summaries of pool characteristics (stratification tables) as they relate to attributes such as  
 
* asset type
 
* asset type
 
* vintage (origination period)
 
* vintage (origination period)

Latest revision as of 15:14, 10 June 2021

Definition

Portfolio Stratification (also Pool Stratification) is the practice of aggregating information (thus partitioning) and analyzing a Portfolio using characteristics perceived as significant in a given context.

Usage

Stratification involves the production of summaries of pool characteristics (stratification tables) as they relate to attributes such as

  • asset type
  • vintage (origination period)
  • size (amounts)
  • geographical distribution and
  • a variety of risk characteristics (credit scores, delinquency status etc.)

Issues and Challenges

  • Skillful manipulation of the stratification segments can potentially help produce a misleading impression as to the actual nature of the portfolio