List of Articles اختیارات سرمایه گذاری Open Access Article Abstract Page Full-Text 1 - Clarifying the Relationship between the Return and the Simultaneous Volatility of Stock Returns Utilizing Investment Options Pattern Rahnamay Roodposhti farydoon Hashem Nikoomaram Jafar Joola Open Access Article Abstract Page Full-Text 2 - Explaining the Effective Factors of Stock Returns Using the Investment Options Approach Farzin Khoshkar Hassankiadeh Seyed Ali Nabavi Chashmi Iman Dadashi Kaveh Azinfar