Secondly, the subjectivity of active funds can hardly guarantee the stability of long-term returns. It is precisely because of the long-term characteristics of fixed investment that the style stability of the selected underlying assets is required. Active fund products are often difficult to maintain long-term style stability due to the changes of fund managers' emotions and behavior patterns. If the fund manager changes, it is easy to produce the phenomenon of "style drift", which further increases the uncertainty of realizing the long-term goal of fixed investment. However, index funds (including ETFs) aim at tracking the index, do not rely on the active management ability of fund managers, can ensure the long-term style stability, and are the best choice for investors to pursue the average market return.
Finally, in the long run, it is difficult for most active funds to outperform index funds representing the market. Recently, Buffett's 10 gambling contract with hedge fund bosses once again shows a common phenomenon in the American market: in the long run, it is difficult for actively managed funds to outperform the market. Judging from the returns of the five hedge funds selected by ted, the best rate of return is 62.8%, and the least is only 2.9%. Even the hedge fund with the best rate of return has greatly underperformed the 85.4% return of the Standard & Poor's 500 Index in the same period. Looking at the extended cycle, Pioneer Fund compared the returns of active funds and Standard & Poor's 500 during the 60 years from 1945 to 1975 and 1985 to 20 15, and found that the average returns of active funds in the same period were lower than those of Standard & Poor's 500.