On January 6, the business-to-business price ratio index for isooctanol and DOP stood at 109.92, a decrease of 0.88 points from the previous day. Compared to the cycle's peak of 147.70 points (February 7, 2022), it declined by 25.58%, while it rose by 19.82% from the cycle's low of 91.74 points (November 3, 2015). (Note: The cycle refers to the period from January 1, 2012, to the present.) Isooctanol prices have stabilized strongly, while DOP prices have increased, with downward pressure on DOP weakening and upward momentum strengthening.

On January 6, the business-to-business price ratio index for phthalic anhydride and DOP was 88.06, a decrease of 0.45 points from the previous day. Compared to the cycle's peak of 113.13 points (October 16, 2022), it declined by 22.16%, while it rose by 94.95% from the cycle's 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 have fluctuated upward, while DOP prices have risen strongly, with upward momentum for DOP strengthening and downward pressure weakening.

On January 7, the DOP market in Jiangsu Province showed strong stability, with quotations at 7,400 yuan per ton. In Shandong Province, the DOP market also exhibited strong stability, with quotations at 7,250 yuan per ton. In Zhejiang Province, DOP prices remained strongly stable, with quotations at 7,500 yuan per ton.

On January 7, the price of phthalic anhydride, a raw material for DOP, fluctuated upward, while isooctanol prices also showed an upward trend. The cost of DOP raw materials rose strongly, and DOP production capacity decreased. Downstream market conditions were average, with demand primarily driven by rigid needs. Downstream customers showed moderate purchasing interest, and transaction prices were subject to negotiation. DOP quotations ranged from 7,250 to 7,500 yuan per ton, showing strong stability, while actual transaction prices increased. The DOP market exhibited strengthened bullish factors and weakened bearish factors, leading to a strong consolidation in DOP market conditions.