Yes, cumulative income refers to the income generated by all funds in the fund account, including all purchases and sales during the holding period. Cumulative income is important information in the user's investment process. In order to let investors understand the investment profit and loss, it will always be retained
in the account.
However, the holding income after the fund is liquidated will not be displayed in the account. The holding income refers to the income since holding a single fund. The holding income after the fund is liquidated will be included in the accumulated income.