上市满一年，鸡蛋、玉米淀粉、生猪期权为产业链带来了哪些变化？

Group 1 - The listing of egg, corn starch, and live pig options has provided more refined and flexible risk management tools for related industry chain enterprises, aiding in stable production and operation [2][3] - Sichuan Green Science Poultry Co., Ltd. utilizes options to lock in profits and reduce costs, demonstrating the unique value of options in volatile markets [2] - Zhu Cheng Xingmao Corn Development Co., Ltd. employs various hedging strategies using corn starch options to manage inventory costs and mitigate risks associated with unexecuted orders [2] Group 2 - Sichuan Dekang Agricultural and Animal Husbandry Food Group highlights that live pig options help in hedging price risks and enhancing operational flexibility, making options a necessary tool for many enterprises facing market uncertainties [3] - The options market has shown a robust participation trend, with the three listed options forming a good market engagement atmosphere, providing diversified risk management tools for enterprises [3] - The Dalian Commodity Exchange plans to optimize option contract rules and enhance training and promotion activities to improve industry client participation and support stable operations [3]