塑料日报：震荡运行-20251231

Report Industry Investment Rating - Not provided Core Viewpoints - On December 31, 2025, the restart of maintenance devices at Maoming Petrochemical led to an increase in the plastics operating rate to around 87%, currently at a neutral level. The downstream operating rate of PE decreased, and the overall plastics supply - demand pattern remained unchanged. It is expected that the upward space for plastics in the near term is limited, and the L - PP spread is expected to decline [1]. Summary by Relevant Catalogs Market Analysis - The restart of Maoming Petrochemical's LDPE and other maintenance devices on December 31 increased the plastics operating rate to around 87%, at a neutral level. The downstream operating rate of PE decreased, with the agricultural film gradually exiting the peak season, orders declining, and the overall downstream operating rate at a relatively low level in recent years. The petrochemical inventory is at a relatively high level, and the cost - end crude oil price has limited rebound. New plastic production capacity has been put into operation, and it is expected that the downstream operating rate will further decline. The overall plastics supply - demand pattern remains unchanged, and the upward space is limited. The L - PP spread is expected to fall [1]. Futures and Spot Market Conditions - Futures: The plastics 2605 contract showed a position - reducing and oscillating operation, closing at 6472 yuan/ton with a gain of 0.23%. The position decreased by 11,359 lots to 501,425 lots [2]. - Spot: The PE spot market showed mixed price movements, with price changes ranging from - 100 to + 100 yuan/ton. LLDPE was reported at 6200 - 6370 yuan/ton, LDPE at 7700 - 8530 yuan/ton, and HDPE at 6550 - 7850 yuan/ton [3]. Fundamental Tracking - Supply: On December 31, the restart of maintenance devices at Maoming Petrochemical increased the plastics operating rate to around 87%, at a neutral level. - Demand: As of the week ending December 26, the downstream operating rate of PE decreased by 0.62 percentage points to 41.83% on a month - on - month basis. The agricultural film gradually exited the peak season, orders continued to decline, and the overall downstream operating rate was at a relatively low level in recent years. - Inventory: The petrochemical early - morning inventory on Wednesday increased by 30,000 tons to 630,000 tons compared to the previous day, 110,000 tons higher than the same period last year, at a relatively high level in recent years. - Raw Materials: The Brent crude oil 03 contract fell below $62 per barrel, and the ethylene prices in Northeast Asia and Southeast Asia remained flat [4].