1, liquidation: liquidation means that the amount of liquidation of investors is the same every time, for example, the amount of liquidation of investors is 1000 yuan each time.

2. Equal-ratio jiacang: Equal-ratio jiacang refers to the equal ratio of the amount that investors buy each time, such as 1 1,000 yuan, 2,000 yuan and 4,000 yuan respectively.

3. Equal-difference jiacang: Equal-difference jiacang means that each investor's jiacang amount is equal, for example, each investor's jiacang amount is 1 1,000 yuan, 2,000 yuan, 3,000 yuan, etc.