对二甲苯：供需紧平衡，正套

Report Industry Investment Rating - PX: 11-01 positive spread, 1-5 negative spread. Long PX and short EB. Go long on dips before mid-September [7] - PTA: Bullish on the single-sided price with limited downside. Partially take profit on the long PTA and short MEG strategy [7] - MEG: Bearish on the single-sided price with neutral valuation. Reduce short positions. Hold the 1-5 negative spread [8] Core Viewpoints - In the last quarter of 2025, China's PTA factory capacity is expected to further increase, and the PX supply and demand will remain in a tight balance [5][7] - PTA producers are facing low profit margins, and inventory expansion may threaten the market again [5] - MEG has a clear pattern of increasing supply and decreasing demand after October, but the price may have limited short-term downside below 4300 [8] Summary by Related Catalogs Market Quotes - Futures: The closing prices of PX, PTA, MEG, PF, and SC were 6834, 4756, 4339, 6440, and 490.4 respectively, with changes of -0.47%, -0.34%, -1.99%, -0.71%, and 1.43% [2] - Spot: The prices of PX CFR China, PTA in East China, MEG spot, naphtha MOPJ, and Dated Brent were 846 dollars/ton, 4727 yuan/ton, 4453 yuan/ton, 600.5 dollars/ton, and 69.43 dollars/barrel respectively [2] - Spot Processing Fees: The PX-naphtha spread, PTA processing fee, short fiber processing fee, bottle chip processing fee, and MOPJ naphtha-Dubai crude oil spread were 251.29, 188.78, 137.74, -51.65, and -6.01 respectively [2] Market Dynamics - PX price declined on the 2nd, and the market is concerned about PTA operations [2][3] - PTA producers are struggling with low profit margins, and inventory may decline weekly but expand again [5] - The arrivals at major ports for MEG from September 1st - 7th were about 9.8 tons [6] - The sales of polyester and direct-spun polyester staple fiber were weak on the 2nd [6][7] Trend Intensity - PX trend intensity: 1 - PTA trend intensity: 1 - MEG trend intensity: 0 [7]