On January 27, the commodity price ratio index between isooctanol and DOP on Business Society was 113.01, down 0.09 points from the previous day. Compared to the cycle high of 147.70 points (February 7, 2022), it decreased by 23.49%, while it increased by 23.19% compared to the cycle low of 91.74 points (November 3, 2015). (Note: The cycle refers to the period from January 1, 2012, to the present.) The rise in isooctanol prices and the increase in DOP prices have weakened the downward pressure on DOP and strengthened its upward momentum.

On January 27, the commodity price ratio index between phthalic anhydride and DOP on Business Society was 87.16, down 2.1 points from the previous day. Compared to the cycle high of 113.13 points (October 16, 2022), it decreased by 22.96%, while it increased by 92.96% compared to the cycle low of 45.17 points (July 27, 2021). (Note: The cycle refers to the period from January 1, 2012, to the present.) Phthalic anhydride prices fluctuated and consolidated, while DOP prices rose amid fluctuations, with increased upward momentum for DOP but lingering downward pressure.

On January 28, the DOP market in Jiangsu Province saw rising prices, with quotations at 7,950 yuan/ton. In Shandong Province, the DOP market also experienced price increases, with quotations at 7,850 yuan/ton. In Zhejiang Province, DOP prices rose, with quotations at 8,100 yuan/ton.

On January 28, the price of phthalic anhydride, a raw material for DOP, stabilized after fluctuations, while isooctanol prices rose amid volatility. The cost of DOP raw materials increased, and DOP production capacity declined. Downstream market conditions were average, with demand primarily driven by essential needs. Downstream customers showed moderate purchasing interest, and transaction prices were negotiated on a case-by-case basis. DOP quotations ranged from 7,850 to 8,100 yuan/ton, reflecting an increase in both quoted and actual transaction prices. The DOP market saw strengthened bullish factors and weakened bearish factors, leading to an overall upward trend in DOP prices.