1. The money fund is an open-end fund that gathers idle social funds, is operated by the fund manager and kept by the fund custodian, and is dedicated to investing in money market instruments, with low risk. Different from other types of open-end funds, it has the characteristics of high security, high liquidity, stable income and "quasi-savings".

2. Monetary funds can be divided into Class A and Class B according to the size limit of participating funds. Class A is for small and medium investors, and Class B is for institutions and large investors.

3. Non-monetary funds are other money market instruments except monetary funds.

Extended data:

First, open-end funds

Open-end funds include general open-end funds and special open-end funds. The special open-end fund is LOF, which is called "Listened Open-end Fund" or "open-endfunds" in English and "Listed Open-end Funds" in Chinese.

In other words, after the issuance of listed open-end funds, investors can purchase and redeem fund shares at designated outlets, or buy and sell funds on exchanges.

Second, closed-end funds

Closed-end fund means that when fund sponsors set up funds, they limit the total number of fund units. After the total raised amount is completed and the necessary approval or filing, the fund will be declared and closed, and no new investment will be accepted for a certain period of time.

The circulation of fund shares is listed on the stock exchange, and investors must bid on the secondary market through securities brokers in the future.

Baidu Encyclopedia-Monetary Fund