List of Articles ابزارهای مشتقه Open Access Article Abstract Page Full-Text 1 - The Effect of Stock Returns and Volatility of Stock Index on Put Option Transactions Volume Nezamodin Rahimian Ali Khozein Jamal Mohamadi Open Access Article Abstract Page Full-Text 2 - Analyzing the Futures Contract Legal Analysis Morteza Chitsazian Mozhgan Noparvar Open Access Article Abstract Page Full-Text 3 - The challenge of the option contract from the point of view of the rule of uncertainty hamed salehi ali abadi