Legal analysis: Yes, it is recommended to secure relevant evidence. Once you apply to buy or sell, you cannot withdraw it again. Investors must wait until they redeem themselves into their account before they can choose to buy again. However, selling requires deducting a certain handling fee (usually three thousandths).

Legal basis: "Criminal Law of the People's Republic of China"

Article 225 Violates state regulations, commits one of the following illegal business activities, and disrupts market order, If the circumstances are serious, the offender shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and concurrently or solely a fine of not less than one time but not more than five times the illegal income. If the circumstances are particularly serious, the person shall be sentenced to fixed-term imprisonment of not less than five years and a fine not less than one time but not more than five times the illegal income. Or confiscation of property:

(1) Operating franchises, monopoly items or other restricted items stipulated in laws and administrative regulations without permission

(2) Buying and selling import and export licenses , import and export certificates of origin, and other business licenses or approval documents stipulated in laws and administrative regulations

(3) Illegal operations of securities, futures, and insurance businesses without the approval of the relevant national competent authorities, or illegal Engaged in fund payment and settlement business

(4) Other illegal business activities that seriously disrupt market order.