On July 21, the silicone DMC commodity index was 95.36, which was the same as yesterday, which was 17.25% lower than the highest point of 115.24 points (2017-04-18) in the cycle, which was 35.45% higher than the lowest point of 70.40 on July 27, 2016. . (Note: Cycle refers to 2011-09-01 to date)