When it Comes to Investing Biases, Some are Harder to Overcome than Others
It’s not controversial to say that investing biases can hurt the performance of your portfolio. Most investors would agree. And yet by its very nature a bias—an unreasoned opinion—will often be invisible to the person holding it. You can find evidence of this in a recent DALBAR, Inc. study of investor behavior. Researchers found that over the 20-year period ending December 31, 2020, individual stock fund investors consistently underperformed a market benchmark index. During the studied period the S&P 500 had an average annualized return of [...]