Report Summary 1) Report Industry Investment Rating - No information provided. 2) Core Viewpoints - The inventory pressure is high, and the short - term supply pressure is large, but there is support from chemical demand, and the combustion demand is expected to pick up. Although the spot supply pressure is large and the PG basis has dropped significantly and turned negative, due to tariff policies and geopolitical disturbances, the market may not decline significantly in the short term [1]. 3) Key Points from the Table and Analysis - **Price Changes on October 20th - 21st**: - On October 21st, the civil gas prices decreased. In East China, it was 4338 (-7), in Shandong 4090 (-110), and in South China 4450 (-10). The post - ether carbon four was 4400 (-20). The lowest delivery location was Shandong, with a basis of - 161 (-41), and the November - December spread was 138 (+1). FEI and CP decreased to 456 (-15) and 438 (-9) dollars/ton respectively [1]. - **Weekly Changes and Other Information**: - The PG main contract rose significantly due to macro and geopolitical news. The basis was - 20 (-334), and the November - December spread was 137 (+59). Domestic civil gas prices dropped significantly. The cheapest delivery product was Shandong civil gas at 4200 (-250); in East China it was 4345 (-39), and in South China 4460 (-110). Wanhua added 2300 lots of warehouse receipts. The overseas market prices dropped sharply. The FEI - CP spread was 20 (+12.5), and the US - Asia arbitrage window was closed. The CP propane - butane arrival discount in South China increased to 78 (+26). Freight rates decreased significantly. The FEI - MOPJ spread narrowed but the switching window was still open at - 71 (-12). The profit of PDH to produce propylene decreased. The PDH operating rate was 68.76% (-2.12pct). Next week, the operating enterprises are expected to gradually increase their loads [1].