Alipay fund lightening refers to the act of selling a part of the subject matter on the basis of holding the subject matter. Lightening positions is generally carried out in the process of subject matter rising, and gains are obtained after rising. Lightening positions can guarantee part of the gains first.

On the contrary, jiacang refers to the act of buying the subject matter on the basis of holding. Generally, adding positions in the process of falling themes can reduce costs, while adding positions in the process of rising themes will increase costs.