The silicone DMC commodity index on December 17 was 96.39, which was the same as yesterday. It was a 16.36% decrease from the highest point of the cycle at 115.24 points (2017-04-18) and a 36.92% increase from the lowest point of July 27, 2016 at 70.40 points. . (Note: Period refers to 2011-09-01 to present)