Use order book analysis and order book visualization tools to make short-term trading decisions (seconds - minutes - hours) based on supply and demand discrepancies created by market participants intra-day.
Mark is an ex Amex and CBOE trader. He writes a daily blog available at www.optionpit.com. He also writes at TheStreet.com on the Options Profits team, OptionsZone, SFO Magazine. He is the Director of Education for the Option Pit