I followed the career of a trader named Jaffray Woodriff who was outlined in one of the 'Market Wizards' books. His story was interesting to me because he is still using the same system he developed in college. Just before graduating college he related that he had a eureka moment and backtested for 2 days without sleep on his school's computers. The trading system he created then is essentially the automated trading system he still uses today to make around 100 million a year in commissions. However, his story had some bumps in the road. Trading live did not work out so well for him initially and after a few years he took a job at a trading firm. He worked at the firm until he hammered out the bugs in his system. Here's my theory. I think while working at the firm he had unlimited access to probably well over a hundred thousand dollars worth of historical data that spanned decades. Using this resource he was able to find the flaws in his system and get firing on all eight cylinders. Then he left his job and most likely took a copy of their data with him. Of course, it didn't take long after that before he was able to buy his own data.
I can't figure it out either. You make some dangerous insinuations without any factual backup, to the degree of accusing someone of stealing data. If your point was that historical data is the key to success then how you presented your point is very poor aside the fact that most would probably disagree with you anyway.
I don't understand this part. "The trading system he created then is essentially the automated trading system he still uses today to make around 100 million a year in commissions." So he is looking to make nothing on the trade but provide liquidity to earn back rebates that will pay more than what he pays in commissions?