1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - Maintain the view of overweighting crude oil as the current oil price is undervalued, the fundamentals support the price, and if the geopolitical premium re - emerges, the oil price will have more upside potential [2] - For methanol, the overall fundamentals are improving marginally, and it is recommended to pay attention to short - long opportunities on dips [5] - Regarding urea, it is currently in a state of low valuation and weak drivers. It is suggested to pay attention to long positions on dips [8] - For rubber, maintain a medium - term bullish view. Temporarily wait and look for opportunities after the holiday. Those holding long positions during the holiday can consider a hedging strategy [12] - For PVC, the domestic supply is strong and demand is weak, and it is recommended to short on rallies [15] - For styrene, the price may stop falling as the seasonal peak season drives downstream operations and port inventories decline [19] - For polyethylene, the price may fluctuate upward as the long - term contradiction shifts and the seasonal peak season approaches [21] - For polypropylene, there is high inventory pressure in the short - term, and there is no prominent contradiction [24] - For PX, the inventory accumulation cycle may continue, and it is recommended to wait and see for now [28] - For PTA, the supply has unexpected maintenance, and the demand is under pressure. It is recommended to wait and see [30] - For ethylene glycol, it is recommended to short on rallies in the weak outlook, but beware of the risk of the weak expectation not being realized [33] 3. Summary by Related Catalogs Crude Oil Market Information - INE main crude oil futures rose 8.30 yuan/barrel, or 1.72%, to 490.60 yuan/barrel. High - sulfur fuel oil futures rose 37.00 yuan/ton, or 1.30%, to 2887.00 yuan/ton, and low - sulfur fuel oil futures rose 53.00 yuan/ton, or 1.56%, to 3450.00 yuan/ton [1] - US EIA weekly data showed changes in various oil inventories, including a 0.61 - million - barrel decrease in commercial crude oil inventories to 414.75 million barrels [1] Strategy Viewpoint - Maintain the view of overweighting crude oil as the current oil price is undervalued, the fundamentals support the price, and if the geopolitical premium re - emerges, the oil price will have more upside potential [2] Methanol Market Information - The price in Taicang dropped 3 yuan/ton, while Inner Mongolia and southern Shandong remained flat. The 01 contract on the futures market rose 5 yuan/ton to 2356 yuan/ton, with a basis of - 104 [4] - The 1 - 5 spread changed by - 4 to - 32, showing a low - level oscillation [4] Strategy Viewpoint - The supply - side production declined, and enterprise profits decreased. The domestic supply is expected to increase marginally. The demand - side port olefin plants restarted and the load increased. The overall demand improved marginally. The inventory decreased. It is recommended to pay attention to short - long opportunities on dips [5] Urea Market Information - Spot prices in Shandong and Henan remained stable, with a slight decline in some areas. The 01 contract on the futures market rose 1 yuan/ton to 1674 yuan/ton, with a basis of - 73 [7] - The 1 - 5 spread changed by - 2 to - 53 [7] Strategy Viewpoint - The futures price is at the lower edge of the weekly - level trend line. The domestic supply has recovered, and the demand is average. The market sentiment is weak, and enterprise inventories are rising. It is currently in a state of low valuation and weak drivers. It is suggested to pay attention to long positions on dips [8] Rubber Market Information - The rubber price was weak. The market expected a 62,000 - ton state reserve release. From September 16, 2025, the RU position structure changed. A super typhoon may have a positive impact, and the EU postponed the implementation of anti - deforestation laws [10] - As of September 18, 2025, the operating load of all - steel tire enterprises in Shandong was 64.96%, and that of semi - steel tire enterprises was 74.58%. As of September 14, 2025, the social inventory of natural rubber in China was 1235,000 tons [11] Strategy Viewpoint - Maintain a medium - term bullish view. Temporarily wait and look for opportunities after the holiday. Those holding long positions during the holiday can consider a hedging strategy [12] PVC Market Information - The PVC01 contract rose 28 yuan to 4919 yuan. The spot price of Changzhou SG - 5 was 4740 yuan/ton, with a basis of - 179 yuan/ton. The 1 - 5 spread was - 301 yuan/ton [14] - The overall operating rate of PVC was 77%, a 3% decrease. The downstream operating rate was 49.2%, a 1.7% increase. Factory inventory decreased by 0.4 million tons, and social inventory increased by 1.9 million tons [14] Strategy Viewpoint - The domestic supply is strong and demand is weak, and the export outlook is weak. It is recommended to short on rallies [15] Styrene Market Information - The cost - side pure benzene price remained unchanged at 5885 yuan/ton. The styrene spot price rose 50 yuan/ton to 6950 yuan/ton, and the active contract closed at 6958 yuan/ton, up 30 yuan/ton [18] - The upstream operating rate was 73.4%, a 1.6% decrease. Jiangsu port inventory increased by 2.75 million tons to 18.65 million tons. The downstream "Three S" weighted operating rate was 45.44%, a 0.46% increase [18] Strategy Viewpoint - The price may stop falling as the seasonal peak season drives downstream operations and port inventories decline [19] Polyethylene Market Information - The main contract closed at 7169 yuan/ton, up 27 yuan/ton. The spot price was 7175 yuan/ton, up 25 yuan/ton. The upstream operating rate was 80.73%, a 0.74% decrease [20] - The production enterprise inventory decreased by 3.20 million tons to 45.83 million tons, and the trader inventory decreased by 0.96 million tons to 5.10 million tons. The downstream average operating rate was 43%, a 0.08% increase [20] Strategy Viewpoint - The price may fluctuate upward as the long - term contradiction shifts and the seasonal peak season approaches [21] Polypropylene Market Information - The main contract closed at 6898 yuan/ton, up 21 yuan/ton. The spot price was 6795 yuan/ton, unchanged. The upstream operating rate was 77.05%, a 2.32% increase [23] - The production enterprise inventory decreased by 3.03 million tons to 52.03 million tons, the trader inventory decreased by 0.11 million tons to 18.72 million tons, and the port inventory increased by 0.47 million tons to 6.65 million tons. The downstream average operating rate was 51.45%, a 0.59% increase [23] Strategy Viewpoint - There is high inventory pressure in the short - term, and there is no prominent contradiction [24] PX Market Information - The PX11 contract rose 72 yuan to 6602 yuan. The PX CFR rose 9 dollars to 812 dollars. The Chinese PX load was 86.3%, a 1.5% decrease, and the Asian load was 78.2%, a 0.8% decrease [26] - PTA load was 75.9%, a 0.9% decrease. In September, South Korea's PX exports to China decreased by 5.6 million tons year - on - year. The inventory at the end of July decreased by 24 million tons month - on - month [27] Strategy Viewpoint - The inventory accumulation cycle may continue, and it is recommended to wait and see for now [28] PTA Market Information - The PTA01 contract rose 70 yuan to 4626 yuan. The East China spot price rose 55 yuan to 4525 yuan. The PTA load was 75.9%, a 0.9% decrease [29] - The downstream load was 91.4%, a 0.2% decrease. The social inventory on September 19 increased by 1.1 million tons [29] Strategy Viewpoint - The supply has unexpected maintenance, and the demand is under pressure. It is recommended to wait and see [30] Ethylene Glycol Market Information - The EG01 contract rose 22 yuan to 4234 yuan. The East China spot price rose 4 yuan to 4301 yuan. The supply - side operating rate was 73.8%, a 1.1% decrease [32] - The downstream load was 91.4%, a 0.2% decrease. The port inventory increased by 0.2 million tons to 46.7 million tons [32] Strategy Viewpoint - It is recommended to short on rallies in the weak outlook, but beware of the risk of the weak expectation not being realized [33]