The accumulated income of Tian Tian Fund is real income, which refers to all gains and losses (including buying and selling during the holding period) since holding the fund. Cumulative income is generally the income after deducting the handling fee. If there is still a part held by the fund, then there is still a part of the fund's handling fee that has not been deducted.
Corresponding to the accumulated income is the holding income. Fund holding income refers to the total income of the fund since it was held. After the fund is sold, the income of the fund is included in the accumulated income.