Hala Sami Khader Al-Bujari and Ammar Shahab Ahmed Al-Ahmad 2018. Evaluating the performance of stock portfolios using the Treynor model applied to the shares of a sample of companies listed in the Iraq Stock Exchange for the period 2005-2013. The Scientific Journal of Cihan University– Sulaimaniya. 2, 1 (Feb. 2018), 1-19. DOI:https://doi.org/10.25098/2.1.1.