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. The next time is in 2025.