The revenue algorithm is the same.

Generally, it is calculated according to the income of one-year holding period, and then a geometric average can be obtained according to the total number of years. The holding period income is net at the end of the period/net at the beginning-1. In addition, whether income tax is included or not and whether the fund rate is deducted are similar.

The cash flow algorithm is related to the liquidity obtained by selling assets in the asset pool and the cash outflow generated by purchasing assets.

The algorithm of open-end fund and closed-end fund is the same. However, the stock price of general open-end funds is the net value of funds, while the price of closed-end funds may have a certain premium or discount on the basis of net value.