1. Report Industry Investment Rating - Not provided in the content 2. Core View of the Report - The average national caustic soda capacity utilization rate increased by 0.7% to 84.6% week - on - week; the downstream alumina开工率 increased by 0.10% to 82.58%, the viscose staple fiber开工率 increased by 0.39% to 89.36%, and the printing and dyeing开工率 remained stable at 52.57%. The national liquid caustic soda factory inventory increased by 4.93% to 52.54 tons, with production enterprises in North China actively accumulating inventory due to bullish expectations. The prices of caustic soda and liquid chlorine in Shandong increased, and the chlor - alkali profit increased to 323 yuan/ton. The increase in 50 - alkali exports boosted the spot market atmosphere, but due to the strong liquid chlorine price and the repair of chlor - alkali profit, there were few planned maintenance devices in April, and the improvement of domestic supply - demand was limited. The daily range of SH2605 is expected to be around 2200 - 2350 [2] 3. Summary According to Relevant Catalogs 3.1 Futures Market - The main closing price of caustic soda was 2250 yuan/ton, a decrease of 90 yuan; the futures holding volume was 201,115 hands, an increase of 11,137 hands; the net holding volume of the top 20 futures was 3,254 hands, an increase of 1,960 hands; the futures trading volume was 427,939 hands, an increase of 106,468 hands. The closing price of the January contract was 2,427 yuan/ton, a decrease of 97 yuan; the closing price of the May contract was 2,250 yuan/ton, a decrease of 90 yuan [2] 3.2 Spot Market - The price of 32% ion - membrane caustic soda in Shandong was 737 yuan/ton, unchanged; in Jiangsu, it was 890 yuan/ton, unchanged. The converted - to - 100% price of 32% caustic soda in Shandong was 2,303 yuan/ton, unchanged. The basis of caustic soda was - 37 yuan/ton, an increase of 10 yuan [2] 3.3 Upstream Situation - The mainstream price of raw salt in Shandong was 222.5 yuan/ton, unchanged; in the Northwest, it was 215 yuan/ton, a decrease of 5 yuan. The price of steam coal was 644 yuan/ton, unchanged [2] 3.4 Industry Situation - The mainstream price of liquid chlorine in Shandong was 200 yuan/ton, a decrease of 100 yuan; in Jiangsu, it was 275 yuan/ton, a decrease of 25 yuan [2] 3.5 Downstream Situation - The spot price of viscose staple fiber was 13,180 yuan/ton, unchanged; the spot price of alumina was 2,770 yuan/ton, unchanged [2] 3.6 Industry News - From March 20th to March 26th, the average capacity utilization rate of Chinese caustic soda sample enterprises with a capacity of 100,000 tons and above was 84.6%, a week - on - week increase of 0.7%. From March 21st to 27th, the alumina开工率 increased by 0.10% to 82.58%; from March 20th to 26th, the viscose staple fiber开工率 increased by 0.39% to 89.36%, and the printing and dyeing开工率 remained stable at 52.57%. As of March 26th, the factory inventory of fixed liquid caustic soda sample enterprises with a capacity of 200,000 tons and above was 525,400 tons (wet tons), a week - on - week increase of 4.93% and a year - on - year increase of 14.28%. The SH2605 contract fell 4.13% to close at 2,250 yuan/ton. Market expectations are that the geopolitical situation in the Middle East will ease. The average weekly profit of chlor - alkali in Shandong from March 20th to March 26th was 323 yuan/ton [2]