1, the whole process of knowledge test;

2. The whole process of risk disclosure to investors and signing a risk disclosure and supplementary agreement;

3. The whole process of investors filling in the application form for option trading authority.

It should be noted that the above three items need to be recorded all the time, and the video of each item should be clear and continuous, and the key images such as identity verification need to be clearly close-up, so as not to destroy the continuity of the whole video.