List of Articles long position Open Access Article Abstract Page Full-Text 1 - Market neutral statistical arbitrage strategy by factor models in Tehran stock exchange Farimah Mokhatab Rafiei Kamyar Nourbakhsh Open Access Article Abstract Page Full-Text 2 - VaR modeling and back testing of short and long positions according to in Sample and out of Sample: application of family models Fractionally Integrated GARCH Mansour Kashi S. Hassan Hosseyni A. Sadat niyazkhani S. Amin Abdollahi