对二甲苯：高位震荡市，PTA：油价回调，估值回落，MEG：短期震荡市

Report Summary 1. Report Industry Investment Rating No information provided. 2. Core Views - PX: PXN should be sold short at high levels. PXN above 230 US dollars should lock in profits at high levels [7]. - PTA: The anti - involution policy creates an expectation of supply contraction, with limited upside potential for the single - side price. PTA processing fees are expected to expand in the short term [7]. - MEG: There will be a short - term rebound, but the upside is expected to be limited [7]. 3. Summary by Related Catalogs Market Quotes - Futures: PX, PTA, MEG, and SC prices all declined yesterday, with PX down 0.12%, PTA down 0.04%, MEG down 0.97%, and SC down 1.32%. PF rose 0.13%. The month - spreads of PX, PTA, MEG, PF, and SC also showed different changes [2]. - Spot: PX, MEG, and Dated Brent prices declined, while PTA prices increased. The PX - naphtha spread, short - fiber processing fee, and bottle - chip processing fee decreased, while the PTA processing fee increased [2]. Market Dynamics - PX: The price of naphtha declined at the end of the session. PX prices fell today. Concerns about weak PX demand affected the spot price. The planned meeting of major PTA and PET producers in China may be postponed. China's Fujia Dahua Petrochemical plans to increase the production of its PX plant [3][5]. - PTA: A 700,000 - ton PTA plant in Taiwan, China has restarted [6]. - MEG: The planned arrival volume at major ports from October 27 to November 2 is about 198,000 tons [6]. - Polyester: The sales of polyester yarn in Jiangsu and Zhejiang were average today, with an average sales rate of over 50% by 3:45 pm. The sales of direct - spun polyester staple fibers declined, with an average sales rate of 44% by 3:00 pm [6]. Trend Intensity - The trend intensities of PX, PTA, and MEG are all 0, indicating a neutral trend [6]. Views and Suggestions - PX: PXN should be sold short at high levels. Domestic and Asian PX device operating rates increased. Some devices have restart, maintenance, and load - reduction situations [7]. - PTA: Pay attention to the results of the anti - involution meeting. The downstream market is improving, and PTA processing fees are expected to expand in the short term [7]. - MEG: There will be a short - term rebound, but the upside is limited. Domestic supply may contract marginally, and port inventories are expected to be high [7].