It doesn't matter when you work the hours. That is irrelevant. It is not an occasional passive investment, it is daily activity which amounts to earning an income from self-employment.
I'm not going to debate the issue with you.
You asked my opinion and I have given it to you. You are free to choose to ignore it. I am conservative and if you were my client I would tell you that you have an entire lifetime to day trade. Don't be taking any risks if living in the US in the future is an important objective.
But the point being it is on your returns and if USCIS ever asks for past returns in adjudicating your adjustment of status and although unusual it does happen, it raises a flag for them to see these schedules and they question the matter because of numerous transactions, not a casual dip into the trading market.
Again, I am not going to tell you what to do. I have told you an issue could develop. You are skilled at playing risks and you will have to choose if this is one of the risks you want to take.
An honest answer to a reasonable question.
I am sure you understand your positive rating is very important to me as we are not on salary and that is how we receive compensation, you choosing a smiley face or 3+ stars
In the future, you may begin your questions with “FOR JUDITH” and I will be your personal immigration expert.