On December 8th, the Pentane Index was at 88.03, remaining unchanged from the previous day and setting a new historical low within the cycle, dropping by 71.78% compared to its peak of 311.97 points on October 27, 2021. (Note: The cycle refers to September 2020 to present.) The price index curve for Pentadecane monitored by the Business Sheets data is as follows: Date 09-09 09-18 09-27 10-06 10-15 10-24 11-02 11-11 11-20 11-29 12-08 Product Index 93.16 92.73 91.88 91.45 91.45 91.45 91.53 90.81 90.81 90.38 88.03