氯碱周报：SH：需求端支撑乏力，预计价格维持弱势，V：成本支撑叠加宏观情绪向好，PVC价格重心上移-20260126

Report Summary 1. Investment Rating The provided content does not mention the industry investment rating. 2. Core Views - Caustic Soda: The mainstream regional liquid caustic soda market prices continued to decline this week. High开工 and poor sales led to inventory accumulation. With weak supply - demand fundamentals, short - term prices are under pressure, and the short - term driving force remains weak [3]. - PVC: Domestic PVC prices rose and then consolidated this week. Although the market sentiment is good and the trend is relatively strong, with the approaching Spring Festival, downstream production demand is weakening, and inventory is rapidly accumulating. Also, the support from raw material calcium carbide is weak. It is expected that the upward space of PVC prices is limited, and it may fluctuate between 4700 - 5000 yuan/ton in the short term [4]. 3. Summary by Directory Caustic Soda - Price and Market: The weekly average price of 32% caustic soda in Shandong was 633 yuan/ton, a month - on - month decrease of 6.36%. There were frequent low - price situations in the week, impacting the market. The main downstream unloading was still difficult, and order transactions were light [3]. - Supply: As of Thursday, the weekly weighted average operating load rate of major sample enterprises nationwide was 90.87%, an increase of 1.73 percentage points from last week. There were sporadic short - stops of chlor - alkali plants, but some previously reduced - load plants resumed production [28]. - Inventory: On January 21, the inventory of 32% liquid caustic soda of expanded sample enterprises in East China increased by 5.52% compared with January 14. In Shandong, the inventory decreased by 0.44% [28]. - Device Dynamics: There were some ongoing and planned maintenance situations of domestic chlor - alkali enterprises. For example, Wuhai Chemical in the Northwest has been shut down since July 22, 2023, and the start - up time is undetermined. Chongqing Tianyuan in the Southwest plans to have maintenance in March, but the specific time is undetermined [30]. - Downstream Industry - Alumina: From the end of 2024 to 2025, the planned new - to - be - put - into - production capacity of alumina is 12.3 million tons (including 2 million tons of replacement). It is estimated that the annual production of alumina in 2025 will be over 88 million tons, with a production growth rate of around 6%. The new alumina demand is equivalent to 400,000 - 550,000 tons of caustic soda per year, and the total demand increment for caustic soda is around 800,000 tons. Recently, alumina futures prices have risen and then fallen, and the fundamentals are still weak. It is expected that the price will continue to operate weakly in the range of 2650 - 2850 yuan/ton [34][38]. - Export: In December 2025, China's liquid caustic soda imports were 62.6 tons, a year - on - year increase of 225.8% and a month - on - month increase of 40.7%. Exports were 309,638.3 tons, a year - on - year increase of 2.4% and a month - on - month increase of 69.3% [59]. Polyvinyl Chloride (PVC) - Price and Market: Domestic PVC prices rose and then consolidated this week. As of now, the spot ex - warehouse price of calcium carbide - type five - grade in East China is 4520 - 4620 yuan/ton, and that of ethylene - type is 4700 - 4800 yuan/ton [4]. - Supply: The operating load rate of the domestic PVC industry slightly decreased, with some enterprises having unplanned production cuts, but overall supply remained at a high level [4]. - Device Dynamics: There were no new maintenance enterprises this week, and the maintenance loss this week was 44,280 tons, a month - on - month increase of 5700 tons. It is expected that the maintenance loss will slightly decrease next week [74]. - Downstream Industry - Real Estate: The real estate industry is still in the bottom - building cycle, with indicators such as housing sales price index, land transaction area, and commercial housing sales area showing weak performance [75]. - Inventory: The total PVC inventory is still at the highest level in recent years [82]. - External Market: Some external PVC prices have weakened [89].