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30 June 2020 Financial Analysts Journal Volume 76, Issue 3

An Empirical Evaluation of Tax-Loss-Harvesting Alpha

  1. Shomesh E. Chaudhuri
  2. Terence C. Burnham
  3. Andrew W. Lo

This article quantifies how much alpha is available from tax-loss harvesting and in which market environments these strategies are most effective.

Advances in financial technology have made tax-loss harvesting more feasible for retail investors than such strategies were in the past. We evaluated the magnitude of this “tax alpha” with the use of historical data from the CRSP monthly database for the 500 securities with the largest market capitalizations from 1926 to 2018. Given long-term and short-term capital gains tax rates of 15% and 35%, respectively, we found that a tax-loss-harvesting strategy yielded a before-transaction-cost tax alpha of 1.08% per year for our sample period. When the strategy was constrained by the “wash sale rule,” the tax alpha decreased from 1.08% per year to 0.82% per year.

Read the Complete Article in Financial Analysts Journal Financial Analysts Journal CFA Institute Member Content

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