On March 19, the contract price of the main cotton yarn 2105 of the Zhengzhou Commercial Exchange fell, the opening price was 23190 yuan/ton, and the settlement price was 22935 yuan/ton. The highest was 23,295 yuan/ton and the lowest was 22,570 yuan/ton; the closing price was 22,595 yuan/ton, down 2.92% from the price of the previous trading day, with a trading volume of 4,747 lots and an open interest of 4914 lots.