On December 13, the Pentane Index stood at 86.11, unchanged from the previous day, marking a new low within the cycle and a decrease of 72.40% from its peak of 311.97 on October 27, 2021. (Note: The cycle refers to September 1, 2020, until present) According to data monitored by Business Sheets, the Pentane Price Index curve is as follows: Date 09-1409-2310-0210-1110-2010-2911-0711-1611-2512-0412-13 Index 93.1692.7391.4591.4591.4588.6890.8190.8190.8188.0386.11