1, positive pyramid buying method, with the decline of fund net value, gradually increase the position of each position, such as 1 thousand for the first time, and add 2 thousand downward for the second time, so as to spread the position cost.

2. The higher the net value of the fund, the less it gets, and the lower the net value of the fund, the more it gets. Moreover, the fixed investment of the fund is less timely than one-time purchase, which can effectively avoid the risks brought by frequent artificial transactions.

3. Set a down threshold, such as-10%, or-15%, and immediately add positions as soon as they arrive, just like the stop loss point of a stock.

4, grid trading strategy, a simple understanding is that every time the target price drops by one grid, buy some positions; Sell a part of the position for each additional grid.