University of Tehran Public Law Studies Quarterly 2423-8120 Articles in Press 2027 07 23 Designing a legal system model for capital market regulation in Iran with a data-based approach Designing a legal system model for capital market regulation in Iran with a data-based approach 1 28 105914 10.22059/jplsq.2025.390254.3694 FA Hamed Barzegarydehaj Ph.D. Student in Public law, Yazd Branch, Islamic Azad University, Yazd, Iran Aliakbar Jafarinadoushan Associate Prof., Department of Law, Faculty of Law, Political Science and History, Yazd University, Yazd, Iran Mohammad Hossein Jafari Assistant Prof., Department of Law, Yazd Branch, Islamic Azad University, Yazd, Iran Journal Article 2025 02 15 Regulation is one of the important economic roles of governments, which aims to determine market structures and rules and regulate the process of production and distribution of goods under the supervision of government regulations. One of the most important parts of regulation is the legal system that governs it, which plays a significant role in the development and stability of a country's economy, especially in the regulation of the capital market. And countries like Iran must solve the challenges of implementing regulations and effective supervision of their capital market. This article examines the development of a legal system model to regulate the capital market in Iran with a data-based approach and focuses on the key principles of a modern and efficient legal system and how to apply these principles in the Iranian capital market. The statistical population included 12 capital market activists, experts and university professors related to the subject of the research The data were analyzed using the three-step coding method of Strauss and Corbin. The findings of the research show that the design of a suitable legal system model for regulating the capital market of Iran is necessary in order to improve the performance and transparency of this market. Also, effective interactions between financial actors and strengthening of independent regulatory institutions can help to reduce challenges and obstacles in regulation. Regulation is one of the important economic roles of governments, which aims to determine market structures and rules and regulate the process of production and distribution of goods under the supervision of government regulations. One of the most important parts of regulation is the legal system that governs it, which plays a significant role in the development and stability of a country's economy, especially in the regulation of the capital market. And countries like Iran must solve the challenges of implementing regulations and effective supervision of their capital market. This article examines the development of a legal system model to regulate the capital market in Iran with a data-based approach and focuses on the key principles of a modern and efficient legal system and how to apply these principles in the Iranian capital market. The statistical population included 12 capital market activists, experts and university professors related to the subject of the research The data were analyzed using the three-step coding method of Strauss and Corbin. The findings of the research show that the design of a suitable legal system model for regulating the capital market of Iran is necessary in order to improve the performance and transparency of this market. Also, effective interactions between financial actors and strengthening of independent regulatory institutions can help to reduce challenges and obstacles in regulation. https://jplsq.ut.ac.ir/article_105914_c7c71451fa08ce9cefb575ee7c309e62.pdf