Yeah. The IB man. The gvmt ought to hire him as a consultant. Remember he was even against computer stop losses? Maybe he's smarter than you think
If the US government had been run for the last 10 to 20 years by Peterffy and the staff he would have appointed, the USA would not be in the financial mess we find ourselves.
Thomas (TP) wasa visionary in the electronic trading environment and the markets are better off for him having been involved. I do not think his expertise goes much farther than that. His personality could use some work too...