List of Articles مدل درخت دوجمله ای Open Access Article Abstract Page Full-Text 1 - Investigating Spread Transaction in Trading Stock Call Option for Managing Risk and Analysis Speculation Opportunities in Tehran Stock Exchange سید علی نبوی چاشمی Open Access Article Abstract Page Full-Text 2 - Review and Compare the earnings patterns of Asian, European and American Stock Option in Tehran Stock Exchange S. Ali Nabavi Chashami Farhad Abdollahi