Dividend day in fund business refers to the day when fund dividends are distributed to fund holders. Related to this is date of record and ex-dividend day. When a fund company distributes dividends, it needs to set a certain day to specify which fund holders can participate in dividends, and that day is date of record. Ex-dividend date refers to the date when dividends are deducted from the fund assets as determined by the dividend plan. On the ex-dividend date, the net value of the fund will decrease. If we don't consider the market fluctuation of the day, what is reduced is the cash dividend of the unit fund.