Open-end fund, the transaction is a contract between you and the fund company, and there is no liquidity problem.

Shanghai and Shenzhen 300 is an index fund, which is basically consistent with the index trend. Now it's the bottom area, you can buy it. But the redemption after one year is too short to guarantee a lot of money. If it is a fixed investment, it is recommended that the old fund companies look at the ones with high cumulative net worth, such as Huaxia dividend.