The Long Run Is Lying to You
March 4, 2021
Everyone knows the value strategy has been a grave disappointment out-of-sample since, say, 1990, based on realized returns. However, odd as it might sound, the realized average return on a strategy is not necessarily the best estimate of its true long-term expected return. In fact, the right estimate of the true long-term expected return of the value strategy is considerably higher than many might think if they were to just look at simple past returns – especially right now. Why? I explain it in this note (spoiler: it has to do with changes in valuation).
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