On December 20th, the Pentane Index stood at 84.40, remaining unchanged from the previous day and marking a new low within the cycle, dropping 72.95% from its peak of 311.97 points on October 27th, 2021. (Note: The cycle refers to September 2020 to present.) The price index curve for Pentane as monitored by Business Sheets is as follows: Date 09-2109-3010-0910-1810-2711-0511-1411-2312-0212-1112-20Index92.7391.4591.4591.4591.4590.3890.8190.8189.5386.3284.40