On January 14, the market prices of isooctanol in Shandong region were as follows: - Lihuayi: 6,950 yuan/ton on January 13 and 6,950 yuan/ton on January 14, with no change. - Luxi Chemical: 6,900 yuan/ton on January 13 and 6,900 yuan/ton on January 14, with no change. - Hualu Hengsheng: 7,100 yuan/ton on January 13 and 7,100 yuan/ton on January 14, with no change. On January 13, the price ratio index between propylene and isooctanol on the business community platform was 97.74, an increase of 0.3 points compared to the previous day. Compared to the highest point of 199.16 in the cycle (April 13, 2020), it decreased by 50.92%, and compared to the lowest point of 47.48 (August 8, 2021), it increased by 105.86%. (Note: The cycle refers to the period from January 1, 2012, to the present.) The price of raw material propylene rebounded and increased, while the price of isooctanol fluctuated and rose. The downward pressure on isooctanol weakened, and the upward support strengthened. According to the business community commodity analysis system, the average market price of isooctanol in Shandong on January 14 was 6,983.33 yuan/ton, remaining stable compared to the previous trading day. Upstream propylene prices fluctuated and rose, providing continued cost support for isooctanol. Downstream plasticizer prices stabilized with fluctuations, and downstream purchasing enthusiasm remained. The operating rate of isooctanol equipment decreased, leading to a reduction in isooctanol supply. As a result, upward support for isooctanol persisted, while downward pressure weakened.