What's stopping you is they wouldn't give you membership when you reapply.

You can have your ability to deal in the financial markets removed for a bunch of things but in particular any sort of official sanction for dishonesty or fraud. There was a senior portfolio manager at Blackrock who was banned from the securities industry for ticket fraud on his daily commute (albeit over a number of years). https://www.theguardian.com/business/2014/dec/15/ca-ban-4300...