List of Articles ارزش در معرض خطر با رویکرد نقد شوندگی Open Access Article Abstract Page Full-Text 1 - Performance Comparison of tcopula GARCH-LVaR with GARCH-VaR To optimize the portfolio in the Tehran Stock Exchange Gholam Reza Taghizadegan , Gholamreza Zomorodian rasoul saadi, mirfeyz Fallah