On February 3, the commodity price ratio index of isooctanol to DOP from Business Society was 114.89, down 0.01 points from the previous day, a decrease of 22.21% from the cycle high of 147.70 points (February 7, 2022), and an increase of 25.23% from the cycle low of 91.74 points (November 3, 2015). (Note: The cycle refers to the period from January 1, 2012, to the present). Isooctanol prices fluctuated and declined, DOP prices fluctuated and declined, and DOP still faces downward pressure with weakened upward momentum.

On February 3, the commodity price ratio index of phthalic anhydride to DOP from Business Society was 84.48, up 0.52 points from the previous day, a decrease of 25.32% from the cycle high of 113.13 points (October 16, 2022), and an increase of 87.03% from 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 declined, DOP prices fluctuated and declined, and DOP faces weakened upward momentum with continued downward pressure.

On February 4, the DOP market in Jiangsu region showed a weak decline, with quotations at 7,900 yuan/ton. In Shandong region, the DOP market declined, with quotations at 7,750 yuan/ton; in Zhejiang region, the DOP market showed a weak decline, with quotations at 8,000 yuan/ton.

On February 4, the raw material phthalic anhydride for DOP showed a weak decline, isooctanol prices weakened and declined, and the raw material cost for DOP weakened and declined. DOP production capacity utilization decreased, downstream market conditions were average, downstream demand remained rigid, and downstream customers' purchasing willingness was moderate. Transaction prices were subject to negotiation, with DOP quotations ranging from 7,750 to 8,000 yuan/ton. Quotations weakened and declined, actual transaction prices weakened and declined, DOP market bullish factors weakened while bearish factors intensified, and the DOP market showed a weak decline.