Quote from jimrockford:
How much margin do you think would be enough, and how meaningful will price history be toward answering this question, the morning after terrorists, who infiltrated the U.S. thru its unenforced Mexican border, detonate the first nuclear or radiological attack ever to occur on American soil? Do you think that IB's auto-liquidation algorithm will save the day?
My god, I just realized he may be right !!! I didn't realize how much "at risk" Interactive Brokers and similar companies have been ALL THESE YEARS.
How did they make any money? My eyes have been opened.FS