聚酯周报：原油弱势，芳烃季节性转弱-20250915

1. Report Industry Investment Rating - The investment view is "oscillation", and it is expected to be mainly bullish, with no obvious driving factors [4]. 2. Core View of the Report - The supply side is bearish as crude oil prices fall, domestic PTA device supply gradually returns, and the PTA basis weakens [4]. - The demand side is bullish as the downstream load of polyester maintains around 91%, and the inventory performance of polyester factories is optimistic [4]. - The inventory situation is neutral as the port inventory of PTA decreased by 10,000 tons this week and continues to decline [4]. - The basis is bearish as the PTA basis weakens slightly, and the PTA profit remains at a low level [4]. - The profit is bearish as the spread between PX and naphtha is at $230, and the PTA processing fee remains at around 200 yuan and has shrunk [4]. - The valuation is neutral as the PTA price is at a moderately low level, and the supply of aromatics has increased [4]. - The macro - policy is neutral as the Ministry of Finance continues to implement a package of debt - resolution measures [4]. 3. Summary by Relevant Catalogs 3.1 Part One: Main Views and Strategy Overview - Supply: Bearish. Crude oil price decline, increased supply from Huizhou PTA in China, and weakening PTA basis [4]. - Demand: Bullish. Polyester downstream load around 91%, optimistic inventory, and increased load in bottle - chip varieties [4]. - Inventory: Neutral. PTA port inventory decreased by 10,000 tons this week [4]. - Basis: Bearish. Slightly weakened PTA basis and low profit [4]. - Profit: Bearish. PX - naphtha spread at $230, and PTA processing fee around 200 yuan with contraction [4]. - Valuation: Neutral. PTA price at a moderately low level, increased aromatics supply [4]. - Macro - policy: Neutral. Ministry of Finance's debt - resolution measures [4]. - Investment view: Oscillation, expected to be mainly bullish [4]. - Trading strategy: Unilateral - wait and see, pay attention to geopolitical risks [4]. 3.2 Part Two: Oil Product Fundamental Overview - Gasoline: Peak - season destocking but approaching off - season. Refinery operating rate decreased from 94.6% to 94.3%, gasoline inventory decreased by 3.8 million barrels, and demand is expected to enter the off - season [25]. 3.3 Part Three: Aromatics Fundamental Overview - Some devices plan maintenance, and Yulong Petrochemical's supply increases [33]. - Asian naphtha price is firm, gasoline cracking spread rebounds slightly, and the spread between regular gasoline and naphtha cracking widens [44]. - The profit of selective disproportionation of aromatics decreases slightly [49]. - MX cross - regional arbitrage is marginally feasible, and the spread between the US and South Korea is around $187 [54]. - Asian MX spot price weakens, and the spread between MX and naphtha narrows to $88/ton [61]. - The gasoline reforming and aromatics reforming are both acceptable, but PTA performs weakly due to falling crude oil prices and weakening basis [72]. 3.4 Part Four: Polyester Fundamental Overview - Ethylene glycol: Supply returns, and the price is weak. The port inventory in East China is 459,000 tons and is expected to continue to decline [86]. - Gasoline: The load of major refineries increases [88]. - Polyester: The load maintains at a high level, and the production increases, waiting for downstream feedback [95][107].