On December 19th, the Pentane Index was at 84.40, a decrease of 1.28 points from the previous day, marking a new low in the cycle and a 72.95% drop from its peak of 311.97 points on October 27, 2021. (Note: The cycle refers to September 2020 to present) According to data monitoring by Business Sheets, the Pentane Price Index curve is as follows: Date 09-2009-2910-0810-1710-2611-0411-1311-2212-0112-1012-19 Index 92.7391.4591.4591.4591.4590.3890.8190.8190.3886.3284.40