对二甲苯：供需仍偏紧，滚动正套 PTA：供应压力逐步凸显，基差反套 MEG：趋势转弱

Report Summary 1. Report Industry Investment Ratings - PX: Supply-demand remains tight, recommend rolling bull spreads; unilateral trend weakens, sell at high prices for hedging [1][7] - PTA: Supply pressure gradually emerges, recommend basis bear spreads; unilateral trend weakens, industry can sell at high prices for hedging, focus on long PX short PTA in 01 contract [1][8] - MEG: Short-term bearish [9] 2. Core Views - PX: The "anti-involution" campaign in China boosts market sentiment, PX-naphtha spread widens, but future Asian supply will gradually increase [3][7] - PTA: With the reduction of polyester product inventory and the increase of开工率, the possibility of large-scale production reduction decreases, and attention should be paid to the compression of PTA processing fees under high valuation [8] - MEG: Import volume is expected to fluctuate, domestic supply is relatively loose, coal-based device profit rebounds, and the enthusiasm for EO device to switch to EG production increases [9] 3. Summary by Related Catalogs Market Overview - PX: The "anti-involution" campaign boosts market sentiment, PX-naphtha spread reaches the highest level since June 30, and naphtha is under pressure [3] - MEG: Trend turns weak [4] Fundamental Data - PX: As of July 25, the operating rate of Chinese PX plants is about 79.9%, down from 81.1% the previous week [5] - MEG: Two Saudi ethylene glycol plants have restarted, and some EO-EG co-production plants plan to switch from EO to EG [5] - Polyester: A 500,000-ton polyester device in Wuxi stops due to a fault, and the sales of polyester yarn in Jiangsu and Zhejiang are weak [5] Trend Intensity - PX, PTA, MEG: Trend intensity is -1, indicating a weak trend [6] Views and Suggestions - PX: Unilateral trend weakens, sell at high prices for hedging. Future Asian supply will gradually increase, and attention should be paid to the operation of PTA devices [7] - PTA: Unilateral trend weakens, industry can sell at high prices for hedging, focus on long PX short PTA in 01 contract, and pay attention to the compression of PTA processing fees [8] - MEG: Short-term bearish. Import volume is expected to fluctuate, domestic supply is relatively loose, and attention should be paid to the restart progress of devices [9]