1, equal purchase method. Investors can choose to buy the same amount every time during the fund crash. 2. Equal difference purchase method. Equal difference buying method refers to the equal difference buying amount of investors in the process of fund net value decline. 3. Equal ratio buying method. Equal-ratio buying method requires investors to wait for equal-ratio buying every time during the decline of fund net value. 4. Weighted buying method. The weighted buying method requires investors to buy the corresponding amount according to the decline of the fund's net value. Roommate com www.5 1dongshi.com