Funds calculate returns on each trading day. Generally speaking, returns are calculated once a day. However, depending on the content of the fund, some funds (such as stock funds) do not calculate returns on weekends. Take stock funds as an example. They do not trade on holidays, so the fund's income is calculated every day from Monday to Friday, but Saturdays and Sundays are not calculated, and national statutory holidays are not calculated.

Funds are actually a kind of indirect investment. Fund companies design various investment portfolios for different customer needs. The bottom layers of these investment portfolios are stocks, bonds and commodities. However, investors can choose certain investment portfolios according to their own needs. A fund (that is, a portfolio) invests in which the fund company charges a fee similar to a management fee. Mainly speaking, the essence of fund investment is stocks and bonds, so the fund's income is also directly related to stocks and bonds. If it is a stock fund, then during the opening period of the stock market, the income will be once a day, and during the closing period of the stock market , there is no income calculation. The fund's net value needs to be updated after the stock is cleared, usually at 10 p.m., so the fund income that most investors see is from the previous trading day.

According to different standards, securities investment funds can be divided into different types:

(1) According to whether fund units can be added or redeemed, they can be divided into open-end funds and closed-end funds. type fund. Open-end funds are not listed for trading (it depends on the situation). They are purchased and redeemed through banks, securities firms, and fund companies. The fund size is not fixed; closed-end funds have a fixed duration and are generally listed and traded on securities exchanges. Investors pass Fund units are bought and sold in the secondary market.

(2) According to different organizational forms, they can be divided into corporate funds and contract funds. A fund is established by issuing fund shares to establish an investment fund company, which is usually called a corporate fund; it is established by a fund manager, a fund custodian and an investor through a fund contract, which is usually called a contract fund. my country's securities investment funds are all contract funds.

(3) According to different investment risks and returns, they can be divided into growth, income and balanced funds.

(4) According to different investment objects, it can be divided into stock funds, bond funds, money market funds, futures funds, etc.