Because the fund is traded on the basis of unit net value.

Cumulative net value refers to the growth of net value since the establishment of the fund, including previous dividends or splits. It is a weighted value, not a basis for trading.

Cumulative net value expresses the past performance of the fund and is the reference data for selecting the fund.

Daily increase and decrease of fund = (net value of fund unit on the current day-net value of fund unit on the previous day)/net value of fund unit on the previous day.

For example, the net value of the fund share on that day was 1.2858 yuan, and that on the previous day was 1.2636 yuan.

Then: the daily increase of the fund = (1.2858-1.2636)/1.2636 =1.7569%.

On the other hand, the net value of fund shares on that day was 1.2636 yuan, and the net value of fund shares on the previous day was 1.2858 yuan.

Then: daily decline of the fund = (1.2636-1.2858)/1.2858 =-1.7266%.

Similarly:

Week-by-week increase and decrease of fund = (net value of fund units this weekend-net value of fund units last weekend)/net value of fund units last weekend.

If you want to calculate your rate of return, then:

Rate of return = (net fund share on redemption date-net fund share on subscription date)/net fund share on subscription date.

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The landlord's fund must be too red.

Dividend income of each fund share =1.823-1.178 = 0.645 yuan.

However, this is for the holder to subscribe at the face value of 1 yuan, and the landlord to subscribe at the face value of 1.538 yuan, so the dividend income is not that much.

Because the net value of the fund unit when the landlord subscribes is the same as the accumulated net value, you can use the accumulated net value 1.823 yuan to calculate your total rate of return.

Your total rate of return (including dividends) = (1.823-1.538)/1.538 =18.5306%.