对二甲苯：需求季节性转弱，供应仍偏紧，高位震荡市，PTA：成本支撑，月差正套，MEG：趋势偏弱，关注计划外检修

1. Report Industry Investment Rating - No relevant content provided 2. Core Views of the Report - PX is expected to be strong before the holiday due to tight supply - demand, but not to be chased at high prices in the short - term. Hold long PX and short BZ positions. Be cautious about the warehouse receipt pressure of PX01 contract [9]. - PTA is in a high - level volatile market with cost support. Hold long PX and short PTA positions for the 05 contract and conduct 5 - 9 positive spreads. Be wary of the negative feedback in the industrial chain caused by early terminal holidays from late December to early January [10]. - MEG is in a weak trend. Pay attention to the support of unplanned maintenance on the market. The price is expected to operate in the range of 3600 - 3900 yuan/ton. There is a pattern of increasing supply and decreasing demand in the next 2 - 3 months [11]. 3. Summary by Related Catalogs Market Dynamics - On December 11, Platts evaluated Asian PX CFR Unv1/China and FOB Korea at 835.67 dollars/ton and 814.67 dollars/ton respectively, both up 4 dollars/ton from the previous day. The FOMC cut the target interest rate by 25 basis points on December 10 [4]. - In the Platts closing assessment, the 1 - 2 month spread of PX continued to narrow. Some Asian PX term contracts have not been settled, and the volume of 2026 contracts is much lower than that of 2025 [6]. Fundamentals - PX: Domestic production start - up rate remains at 88.2% (- 0.3%). GS has a shutdown plan in December, Satorp in the Middle East restarts 700,000 tons, and there are maintenance plans for Zhejiang Petrochemical and Sheng Hong Refining [9]. - PTA: Mainland China's device changes are small this week, with a load of 73.7%. A 550,000 - ton device in Taiwan, China is shut down, and the load drops to 30% [7]. - MEG: As of December 11, the overall start - up load in mainland China is 69.93% (down 3.01% from the previous period), and the start - up load of syngas - made MEG is 72.17% (down 0.41% from the previous period) [7]. - Polyester: The start - up load of domestic polyester industrial yarn manufacturers remains stable at about 75%. The overall polyester load in mainland China is about 91.2% [7][8]. Trend Intensity - PX trend intensity is - 1, PTA trend intensity is - 1, and MEG trend intensity is 0 [9]. Futures and Spot Prices - Futures: PX, PTA, and PF closed up, while MEG and SC closed down on the previous trading day [2]. - Spot: PX, PTA, and short - fiber processing fees increased, while MEG, naphtha, and Brent crude oil prices decreased [2].