This paper studies the effect of information sharing on the supply chain performance and compares with the traditional inventory management principles and focus on critically analyzing the performance of information sharing retail supply chain in presence of demand pattern and order policies. The models were developed to access the supply chain performance in both environments by Monte Carlo. The KPIs are average inventory, total sales, lost sales, total profit and average order fill rate. Theresults of this study support that information sharing significantly improves the performance of the supply chain in terms of all the selected performance measures.