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Tankrich

The Nine Box Investment Charter

A Framework for Investment Temperament

Sep 07, 2025
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Almost all equity investing can be decomposed to this 3X3 GRID

Charlie Munger once observed that the human brain has evolved to handle a limited number of variables simultaneously. When faced with thousands of investment choices, most investors either suffer from analysis paralysis or, worse, make decisions based on recent performance or compelling narra…

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