The one-year fixed opening means that the products are only open for purchase and redemption regularly once a year or 12 months. They are not usually liquidated or purchased during the closed period. Net value financial products are similar to open-end funds. They are open-ended, non-guaranteed and floating-income financial products. They have no expected returns and the returns slowly rise little by little. Fluctuations cannot be ruled out under special circumstances.

Fund, in English, is fund, which broadly refers to a certain amount of funds established for a certain purpose. It mainly includes trust investment funds, provident funds, insurance funds, retirement funds, and various foundation funds.