List of Articles investment portfolio Open Access Article Abstract Page Full-Text 1 - Impact of portfolio diversification on the performance of holding companies based on modern and modernized theories of portfolios ali farhadian Open Access Article Abstract Page Full-Text 2 - Determining the Investment Portfolio Selection Model based on Investor Information using Multi-Criteria Decision Making in the Presence of Uncertainty Heshmatollah Shokrian Mohammad Soleimanivareki Reza Shahverdi Mohsen Rabbani https://doi.org/10.71716/amfa.2025.23071902 Open Access Article Abstract Page Full-Text 3 - Determining the Optimum Investment Portfolios in the Iranian Banking Network Base on Bi-level Game using the Markowitz Optimization Model by Firefly Algorithm Mehdi Memarpour Ashkan Hafezalkotob Mohammad Khalilzadeh Abbas Saghaei Roya Soltani Open Access Article Abstract Page Full-Text 4 - Presenting the combined algorithm of machine learning and the combination of risk metrics and fuzzy theory in choosing an investment portfolio danial mohammadi Seyed jafar Sajadi Emran Mohammadi naeim shokri Open Access Article Abstract Page Full-Text 5 - Investment portfolio optimization using value at risk under credibility theory with Z-numbers approach Amirsina Jirofti Amirabbas Najafi