On January 12, the commodity parity index between iso-octanol and DOP on Business Society was 110.84, an increase of 0.13 points from the previous day. Compared to the highest point of 147.70 in the cycle (February 7, 2022), it decreased by 24.96%, and compared to the lowest point of 91.74 on November 3, 2015, it increased by 20.82%. (Note: The cycle refers to the period from January 1, 2012, to the present.) The price of iso-octanol has shown a strong and stable trend, while the price of DOP has stabilized, with reduced downward pressure and continued upward momentum.

On January 12, the commodity parity index between phthalic anhydride and DOP on Business Society was 92.07, an increase of 3.28 points from the previous day. Compared to the highest point of 113.13 in the cycle (October 16, 2022), it decreased by 18.62%, and compared to the lowest point of 45.17 on July 27, 2021, it increased by 103.83%. (Note: The cycle refers to the period from January 1, 2012, to the present.) The price of phthalic anhydride has fluctuated and risen, while the price of DOP has stabilized with fluctuations, with continued upward momentum and reduced downward pressure.

On January 13, the DOP market in Jiangsu region remained stable, with quotations at 7,400 yuan/ton. In Shandong region, the DOP market also remained stable, with quotations at 7,200 yuan/ton. In Zhejiang region, the DOP market remained stable, with quotations at 7,500 yuan/ton.

On January 13, the price of phthalic anhydride, a raw material for DOP, fluctuated and rose, while the price of iso-octanol stabilized with fluctuations. The cost of DOP raw materials increased, and the operating rate of DOP enterprises declined. Downstream market conditions were average, with demand primarily driven by rigid needs. Downstream customers' purchasing willingness was moderate, and transaction prices were subject to negotiation. DOP quotations ranged from 7,200 to 7,500 yuan/ton, remaining stable, while actual transaction prices tended to stabilize. The DOP market still holds positive factors, with negative factors weakening, and the overall market is fluctuating and consolidating.