The Dresen Diversified Portfolio Model uses the Callan Periodic Table of Returns as its source of data. Our model is based upon the theory of the Markowitz Model and uses statistical analyses of historical means, standard deviations, and correlations of market returns from January 01, 1980 to the present for eight major asset classes to determine the optimal portfolio allocation.

To read more detail about how our model actually works, you can download our whitepaper which describes this process in more detail:

How Does It Work Whitepaper

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