On December 16, the Pentane Index was at 85.68, a decrease of 0.43 points from the previous day, marking a new low in the cycle and a 72.54% drop from its peak of 311.97 points on October 27, 2021. (Note: The cycle refers to September 1, 2020, to present.) The price index curve for Pentane as monitored by Business Herald is as follows: Date 09-17 - 09-26 - 10-05 - 10-14 - 10-23 - 11-01 - 11-10 - 11-19 - 11-28 - 12-07 - 12-16 - 93.16 - 91.88 - 91.45 - 91.45 - 91.45 - 9.53 - 85.68