Valuation models, like the CAPE ratio, are great for informing investors where the market stands. The models are meant to show how over or undervalued the market is in relation to its historical average. And if you believe that markets revert to a mean, then at some point any excess valuation will swing back to the norm.
Some people see valuation models as a timing tool except none actually say when. Two questions that rarely get asked are how reliable is mean reversion and how relevant is the historical average? Continue Reading…

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