Index classification is a structural fund and consists of three parts: parent fund, A fund, and B fund.

FOFs can make fixed investments like other funds. FOFs are similar to ordinary open-end funds; Fund A is similar to bond funds, with stable interest rates and is suitable for savings, but the risk is higher than deposits; Fund B is risky It is not suitable for fund fixed investment. The income of Fund B depends on the parent fund. The risks and returns will be amplified, and interest will be paid to Fund A regardless of losses or losses.