On December 9th, the Diethylene Glycol (DEG) commodity index was at 86.75, a decrease of 1.28 points from the previous day, marking a new low in the cycle since September 1st, 2020. It has fallen by 72.19% compared to its peak on October 27th, 2021, at 311.97 points. (Note: The cycle refers to September 1st, 2020, to present.) According to data monitoring by Business Sheets, the DEG price index curve is as follows: Date | 09-10 | 09-19 | 09-28 | 10-07 | 10-16 | 10-25 | 11-03 | 11-12 | 11-21 | 11-30 | 12-09 Commodity Index | 93.16 | 92.73 | 91.88 | 91.45 | 91.45 | 91.45 | 90.81 | 90.81 | 90.38 | 86.75