_ What's the matter with you? Buy at 1.0, assuming that the fund has risen by 2% for some reason, that is, the net value is 1.2, then investors choose to sell their shares on the same day, so the repeated operation method is that the fund can only choose open-end funds when doing T, and then it is best to choose the fund without subscription fee, because the subscription fee is calculated according to the number of times.