List of Articles Ornstein-uhlenbeck 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 - Optimal Pairs Trading strategy under Statistical Variability of the Spread Process Fatemeh Azizzadeh Nasrin Ebadi