Different closed-end funds have different maturities. Most of the existing closed-end funds are 15 years. Recently, there are also irregular innovative closed-end funds (such as Guo Fu Tianfeng and Tongqing).

In the trading software F 10, you can see the fixed number of years and expiration time of the fund by looking at the fund profile.

After the closed-end fund expires, it shall be liquidated and all proceeds shall be returned to the holder. It can also be converted into an open-end fund to continue to exist after the holders' meeting agrees.