Mutual influence. The price of starch is similar to that of corn, which has strong seasonal and cyclical characteristics and is significantly affected by seasonal and holiday effects. Corn starch can be basically divided into three important nodes throughout the year, namely May Day, Dragon Boat Festival, Mid-Autumn Festival in August 15, 1 New Year's Day in October1,1National Day in October 10. Generally, the futures price of corn starch will rise to a certain extent before this node, and will fall in stages after the holiday.