能源化工聚烯烃周报-20251228

1. Report Industry Investment Rating No relevant content provided. 2. Core Views of the Report Plastic Part - The price of plastics is under pressure due to abundant supply. The total effective capacity growth rate is 16%, and the domestic production volume growth rate is 18% in the first half of the year. Although imports have declined year - on - year, the ample supply still suppresses prices. The overall market situation is not optimistic, with a pattern of increasing supply and decreasing demand before the Spring Festival [5]. - The strategy suggests a short - position allocation on rebounds for single - side trading. Cross - period and cross - variety trading are not recommended for now [5]. Polypropylene Part - Polypropylene prices are under pressure in the off - season. The total effective capacity growth rate is 12.7%, and the estimated annual output growth rate is 16.7%. The market is expected to enter a pattern of increasing supply and decreasing demand in Q4, with an unfavorable supply - demand situation [95]. - Similar to plastics, the strategy recommends a short - position allocation on rebounds for single - side trading. Cross - period and cross - variety trading are also not recommended currently [97]. 3. Summaries Based on Relevant Catalogs Plastic Part Price & Spread - The basis has weakened significantly as the spot price increases less than the futures price. The 5 - 9 month spread has strengthened to - 31, and the warehouse receipts remain at a high level [5]. - The import window has improved, and the LD import profit is at a relatively high level within the year. The non - standard price spread shows that the HD film supply is tight, and the LD has weakened recently [29][32]. Supply - New capacity has been concentratedly put into operation from the end of 2024 to the first half of 2025, with a nominal capacity growth rate of 19.2% and an effective capacity growth rate of 16.7%. The supply is expected to remain abundant, with a slight decline in the short term and an increase in the future [47]. - The overall inventory removal is not smooth, and the inventory has been transferred to the middle - stream. The subsequent supply increase and weak downstream confidence may lead to a slowdown in social inventory removal [5]. Demand & Inventory - The demand for downstream industries such as agricultural films and packaging films has entered a phased off - season. The overall downstream demand shows signs of decline, and the raw material demand is expected to decrease [5]. - The inventory transfer to the middle - stream is not smooth, and the downstream's lack of confidence in the future market has led to a slowdown in social inventory removal [5]. Polypropylene Part Price & Spread - The basis has weakened as the futures price rebounds, and the warehouse receipts have increased again. The cross - period spread is fluctuating [97]. - The import window is approaching closure, and the export profit to Southeast Asia has limited growth. The non - standard price spread of the drawing material has slightly narrowed [112][119]. Supply - New capacity has been put into operation on a large scale from the end of 2024 to the middle of 2025, with an effective capacity growth rate of 12.7%. The supply is expected to be abundant, but there may be a marginal reduction in supply if some PDH devices stop production in January [140]. - The inventory has been transferred to the middle - stream, and the overall inventory is higher than the same period last year [97]. Demand & Inventory - The downstream start - up is temporarily stable, but the orders of some industries such as plastic weaving and pipes have seasonally weakened. The overall downstream demand shows a downward trend [96]. - The inventory removal is not smooth, and the downstream's lack of confidence in the future market has led to a high inventory level [97].