Listed Open-end Fund (LOF) refers to open-end securities investment funds issued and listed for trading on the Shenzhen Stock Exchange. After listed open-end funds are approved to be listed and traded on the Shenzhen Stock Exchange, investors can either choose to purchase and redeem fund shares at banks and other agency agencies based on the net value of the fund shares at the close of the day, or they can choose to complete transactions at the securities business departments of each member of the Shenzhen Stock Exchange. The price at which Fund shares are bought and sold. LOF funds purchased by investors through the Shenzhen Stock Exchange trading system on T day can only be sold in the Shenzhen Stock Exchange system on T+1 working day; if investors want to redeem them through over-the-counter sales outlets, they must do so on T+ A cross-system transfer custody procedure needs to be completed during the trading time of 1 working day, and the fund shares will be transferred to the designated agency outlet and can be redeemed through the agency within T+3 working days.