Core Viewpoint - In the third quarter, driven by the "anti-involution" trend, overall commodity prices have stopped declining and rebounded. However, polyethylene has underperformed, especially during the traditional peak season of "Golden September and Silver October," where demand did not improve significantly, leading to price declines, with prices nearing 7000 yuan/ton [1]. Group 1: Demand and Supply Dynamics - The traditional peak demand season for polyethylene, "Golden September and Silver October," has not shown significant characteristics this year, with delayed demand for agricultural films and low purchasing enthusiasm from downstream sectors [1]. - As of late September, the polyethylene operating rate was around 83%, marking a historical low for the same period, due to increased unplanned maintenance [2]. - Despite the weak demand, supply pressure has eased significantly, as there has been no new capacity impact in the second half of the year, and the overall operating rate has rebounded to around 90% in August before declining again in September [2]. Group 2: Price and Cost Factors - The cost support for polyethylene is gradually strengthening, with oil-based polyethylene experiencing losses exceeding 500 yuan/ton, while coal-based processes remain profitable [2]. - The market anticipates a potential demand surge post-National Day, with low inventory levels and the possibility of a sustained demand increase for agricultural films until late November [1][2]. - The "anti-involution" policy in the chemical sector is expected to be implemented, which may gradually change the current weak market situation for polyethylene [2].

1. Report Industry Investment Rating - Not provided in the content 2. Core Viewpoints of the Report - The market is still oscillating between anti - involution and crude oil price fluctuations, with the long - short situation in the industry remaining relatively stalemated. The high production during the peak season of styrene downstream cannot lead to de - stocking in the styrene segment, and the pressure of finished product inventory and external warehouse inventory is increasing. For pure benzene, the four small downstream sectors are reducing their operations and entering a weakening off - season mode. In the short term, the market is mainly in a state of oscillation [3][80]. - It is recommended to close short positions before the National Day. As the absolute price on the futures market drops, the industrial chain valuation gradually declines, and the aromatics valuation returns to a low level. The short - term strategy is to close short positions before the National Day [3]. 3. Summaries According to Relevant Catalogs Supply Pure Benzene - Domestic production: In September, the maintenance loss was 60,000 tons, and after October - November, the maintenance will gradually decrease to about 30,000 - 50,000 tons. In September, the new device production pressure was relatively large, with 56,000 tons realized. New capacities of 25,000 tons and 41,000 tons will be put into operation in October and November respectively, mainly from Yulong Petrochemical, Jilin Petrochemical, Hunan Petrochemical, and Guangxi Petrochemical [3]. - Import: The September import is expected to be maintained at 400,000 - 430,000 tons. The import is expected to increase in the fourth quarter, with an expected import of 500,000 tons in October and high - level imports expected in November - December. The external market still has relatively large supply pressure [3]. Styrene - Maintenance: In September, maintenance was concentrated, with 79,000 tons mainly affected by Guangdong Petrochemical and Zhejiang Petrochemical. From October to November, there will still be an average monthly maintenance of 60,000 tons, mainly affected by Zhenhai Refining & Chemical and Satellite Petrochemical [3]. - New production: The new production of styrene is still being implemented. It is expected that Jilin Petrochemical and Guangxi Petrochemical will be put into operation in November, with an additional average monthly output of 40,000 tons. The phased supply will gradually decline from the high level [3]. Demand - Caprolactam: The CPL operation is gradually recovering. The Guangxi Hengyi Qinzhou project is about to be put into operation. Currently, the overall downstream inventory of raw materials is at a neutral level [3]. - Phenol: The 200,000 - ton new device of Jilin Petrochemical will be put into operation from October to November, and Shandong Ruilin plans to start production in October. The downstream PC maintains high demand [3]. - Aniline: The maintenance has ended one after another, and the operation rate has recovered [3]. - Styrene downstream 3S hard rubber: During the peak season, there is high production, high inventory, and neutral profit. The core problem is how to solve the problem of high inventory in external warehouses and factory physical inventory [3]. Valuation - Absolute price valuation: Based on the crude oil price of $65 per barrel, the reasonable valuation of the BZ2603 contract is 5,800 - 5,900 yuan/ton. Since the crude oil price is expected to weaken, based on the lower limit of $60 per barrel, the lowest valuation of BZ2603 is adjusted down to 5,550 yuan/ton [3][80]. - EB processing fee: With the high inventory of styrene in ports and the high - level inventory of downstream raw materials, the reasonable processing fee for styrene is 1,000 - 1,100 yuan/ton [3][80]. Strategy - Unilateral: It is recommended to close short positions before the National Day in the short term. The short - term strategy is mainly oscillation, and it is bearish in the medium term [3][80]. - Inter - period: For styrene, a reverse spread strategy is recommended. Currently, there is no relevant strategy for pure benzene [3][80]. - Inter - variety: Compress BZN [3].