506,000 yuan is closed for three years, which is called "three-year open mix" in the South Science and Technology Innovation Board. It belongs to hybrid open-end fund (a kind of closed-end fund). After the establishment of the fund, it will be closed for three years, during which no transactions can be conducted. It is open every three years, and can be subscribed and redeemed on the open day.

Open-end fund means that the fund is opened once at a fixed time. During the opening period, the fund can purchase and redeem at will. After the opening period, the fund entered a closed period. During the closed period, the Fund cannot purchase and redeem. Hybrid funds have no clear investment direction and can invest in stocks, bonds and money market funds at the same time.