1. Report Industry Investment Rating - There is no information about the report industry investment rating in the provided content. 2. Core Viewpoints of the Report - The decline in caustic soda prices has led to a narrowing of the profit margin for Shandong chlor - alkali enterprises, but they are still in a theoretically profitable state. With fewer planned maintenance capacities for chlor - alkali in January and the resumption of previously shut - down facilities, domestic chlor - alkali plants are expected to maintain a high operating rate. In the short term, the operating load of alumina enterprises will remain basically stable, and non - aluminum downstream industries will maintain rigid demand with little change. The overall supply and demand of liquid caustic soda in the spot market remain relatively loose, and the purchase and market prices of 32% liquid caustic soda in Shandong have recently decreased. Although there are many planned alumina production facilities to be put into operation in the first half of the year, the long - term low profit in the industry has increased the expectation of production cuts in the future. In the short term, SH2603 is expected to show a volatile trend, with support around 2090 and resistance around 2200 [2]. 3. Summary by Relevant Catalogs 3.1 Futures Market - The closing price of the main caustic soda futures contract was 2164 yuan/ton, a decrease of 78 yuan; the position of the main caustic soda futures contract was 175,556 lots, an increase of 29,993 lots; the net position of the top 20 futures traders was - 21,007 lots, a decrease of 1,725 lots; the trading volume of the main caustic soda futures contract was 313,841 lots, an increase of 25,637 lots; the closing price of the January caustic soda contract was 1963 yuan/ton, a decrease of 57 yuan; the closing price of the May caustic soda contract was 2303 yuan/ton, a decrease of 66 yuan [2]. 3.2 Spot Market - The price of 32% ion - membrane caustic soda in Shandong was 690 yuan/ton, a decrease of 13 yuan; in Jiangsu, it was 780 yuan/ton, unchanged. The converted - to - 100% price of 32% caustic soda in Shandong was 2156.25 yuan/ton, a decrease of 40.63 yuan; the basis of caustic soda was - 8 yuan/ton, an increase of 37 yuan [2]. 3.3 Upstream Situation - The mainstream price of raw salt in Shandong was 250 yuan/ton, unchanged; in the Northwest, it was 220 yuan/ton, unchanged. The price of steam coal was 642 yuan/ton, unchanged [2]. 3.4 Industry Situation - The mainstream price of liquid chlorine in Shandong was 200 yuan/ton, an increase of 50 yuan; in Jiangsu, it was 250 yuan/ton, an increase of 100 yuan [2]. 3.5 Downstream Situation - The spot price of viscose staple fiber was 12,900 yuan/ton, unchanged; the spot price of alumina was 2,610 yuan/ton, unchanged [2]. 3.6 Industry Data - From December 27 to January 2, the capacity utilization rate of China's caustic soda was 86.4%, a 0.4% increase from the previous week. The alumina operating rate decreased by 0.47% to 84.67%, the viscose staple fiber operating rate decreased by 1.61% to 85.42%, and the printing and dyeing operating rate decreased by 0.47% to 60.81%. As of January 2, the inventory of liquid caustic soda factories was 485,700 tons (wet tons), a 9.84% increase from the previous week. From December 25 to January 4, the weekly average profit of Shandong chlor - alkali was 153 yuan/ton, a decrease from the previous period [2]. 3.7 Industry News - SH2603 opened with a downward gap and closed down 3.82% at 2,164 yuan/ton. Recently, the resumption of some facilities in North, East, and South China has led to an increase in the average national capacity utilization rate of caustic soda [2].

Report Industry Investment Rating No relevant content provided. Core View of the Report The PVC market is in a weak supply - demand situation with a downward - trending price, while the caustic soda market has mixed price trends and uncertain future due to various factors such as production capacity changes, demand fluctuations, and cost impacts [3]. Summary by Related Catalogs Market News and Important Data PVC - Futures price and basis: The closing price of the PVC main contract was 4,614 yuan/ton (+3), with an East China basis of - 74 yuan/ton (- 33) and a South China basis of - 4 yuan/ton (- 13) [1]. - Spot price: East China calcium carbide - based PVC was quoted at 4,540 yuan/ton (- 30), and South China calcium carbide - based PVC was 4,610 yuan/ton (- 10) [1]. - Upstream production profit: The price of semi - coke was 800 yuan/ton (+0), calcium carbide was 2,830 yuan/ton (+0), calcium carbide profit was - 100 yuan/ton (+0), calcium carbide - based PVC production gross profit was - 769 yuan/ton (- 6), ethylene - based PVC production gross profit was - 465 yuan/ton (+79), and PVC export profit was 4.8 dollars/ton (- 0.3) [1]. - Inventory and operation rate: PVC factory inventory was 33.5 tons (- 0.3), social inventory was 54.6 tons (+0.1), calcium carbide - based PVC operation rate was 80.17% (+3.70%), ethylene - based PVC operation rate was 77.23% (- 1.27%), and overall PVC operation rate was 79.28% (+2.19%) [1]. - Downstream orders: The pre - sale volume of production enterprises was 74.2 tons (- 3.2) [1]. Caustic Soda - Futures price and basis: The closing price of the SH main contract was 2,349 yuan/ton (+18), and the basis of 32% liquid caustic soda in Shandong was 151 yuan/ton (- 18) [1]. - Spot price: 32% liquid caustic soda in Shandong was quoted at 800 yuan/ton (+0), and 50% liquid caustic soda was 1,250 yuan/ton (+0) [1]. - Upstream production profit: The single - variety profit of caustic soda in Shandong was 1,509 yuan/ton (+0), the comprehensive profit of chlor - alkali in Shandong (0.8 tons of liquid chlorine) was 845.8 yuan/ton (- 40.0), the comprehensive profit of chlor - alkali in Shandong (1 ton of PVC) was 43.78 yuan/ton (- 10.00), and the comprehensive profit of chlor - alkali in the Northwest (1 ton of PVC) was 811.83 yuan/ton (+0.00) [2]. - Inventory and operation rate: Liquid caustic soda factory inventory was 41.48 tons (- 2.78), flake caustic soda factory inventory was 2.90 tons (+0.17), and the caustic soda operation rate was 84.80% (+0.50%) [2]. - Downstream operation rate: The alumina operation rate was 85.25% (- 0.61%), the dyeing operation rate in East China was 68.06% (+0.00%), and the viscose staple fiber operation rate was 89.60% (- 0.06%) [2]. Market Analysis PVC - Supply: Two new units were under maintenance this week, but new production capacities were gradually being put into production, resulting in an abundant supply [3]. - Demand: Downstream operation rate decreased, low - price purchases improved slightly, but overall purchasing sentiment was average [3]. - Export: Exports relied on price cuts for volume, export orders decreased month - on - month, and India's anti - dumping tax was expected to be implemented in November [3]. - Inventory: Social inventory increased slightly last week, and the absolute inventory value was high [3]. - Futures: PVC futures warehouse receipts remained at a high level, and the hedging pressure on the futures price continued [3]. Caustic Soda - Supply: Equipment maintenance decreased, and the operation rate increased. Attention should be paid to the 100,000 - ton production capacity release of Tangshan Sanyou [3]. - Demand: Orders from Shandong alumina were stable, but due to environmental control, some Hebei enterprises reduced their operation rates. Non - alumina demand was mainly for rigid purchases and was expected to weaken in the off - season [3]. - Inventory: Liquid caustic soda inventory in Shandong and Jiangsu decreased slightly last week, and the national liquid caustic soda inventory decreased [3]. - Price: The price of caustic soda fluctuated. The expected commissioning of alumina plants in Guangxi might support the price in the next two months. Shandong's electricity price increase in November and the relatively weak liquid chlorine price led to low chlor - alkali profits, but there was still cost support [3]. Strategy PVC - Single - side: Range - bound and weak, with the option of positive cash - and - carry arbitrage [4]. - Inter - period: Wait - and - see [4]. - Inter - commodity: None [4]. Caustic Soda - Single - side: Range - bound [5]. - Inter - period: Positive arbitrage for SH12 - 01 [5]. - Inter - commodity: None [5].

1. Report Industry Investment Rating - No relevant information provided 2. Core View of the Report - PVC shows a weak and volatile trend. The supply is abundant due to the resumption of maintenance and new production capacity. The demand side has a general purchasing sentiment, and the export situation is weakening. Attention should be paid to relevant policies [3] - The spot price of caustic soda is stable with a slight decline. The supply side has a mixed situation of new maintenance and increased production. The demand side has stable orders in Shandong alumina, but the overall sentiment is weak. The inventory has increased, and attention should be paid to the impact of new alumina plant procurement and cost factors [3] 3. Summary by Relevant Catalogs Market News and Important Data PVC - Futures price and basis: The main PVC contract closed at 4,680 yuan/ton (-21). The East China basis was -80 yuan/ton (-9), and the South China basis was 0 yuan/ton (+1) [1] - Spot price: The East China calcium carbide process was quoted at 4,600 yuan/ton (-30), and the South China calcium carbide process was quoted at 4,680 yuan/ton (-20) [1] - Upstream production profit: The semi - coke price was 740 yuan/ton (+0), the calcium carbide price was 2,830 yuan/ton (+0), the calcium carbide profit was -52 yuan/ton (+0), the PVC calcium carbide process gross profit was -763 yuan/ton (-40), the PVC ethylene process gross profit was -545 yuan/ton (+16), and the PVC export profit was -3.7 US dollars/ton (+7.2) [1] - PVC inventory and operation rate: The in - plant PVC inventory was 33.8 tons (+0.4), the social PVC inventory was 54.5 tons (-1.0), the PVC calcium carbide process operation rate was 76.47% (+4.82%), the PVC ethylene process operation rate was 78.50% (-0.06%), and the overall PVC operation rate was 77.09% (+3.35%) [1] - Downstream order situation: The pre - sales volume of production enterprises was 77.4 tons (+13.9) [1] Caustic Soda - Futures price and basis: The SH main contract closed at 2,350 yuan/ton (+40), and the basis of 32% liquid caustic soda in Shandong was 150 yuan/ton (-40) [1] - Spot price: The 32% liquid caustic soda in Shandong was quoted at 800 yuan/ton (+0), and the 50% liquid caustic soda in Shandong was quoted at 1,250 yuan/ton (+0) [1] - Upstream production profit: The single - product profit of caustic soda in Shandong was 1,509 yuan/ton (+0), the comprehensive profit of chlor - alkali in Shandong (0.8 tons of liquid chlorine) was 725.8 yuan/ton (-280.0), the comprehensive profit of chlor - alkali in Shandong (1 ton of PVC) was 113.78 yuan/ton (-20.00), and the comprehensive profit of chlor - alkali in the northwest (1 ton of PVC) was 1,069.74 yuan/ton (-14.50) [2] - Caustic soda inventory and operation rate: The liquid caustic soda factory inventory was 44.26 tons (+2.83), the flake caustic soda factory inventory was 2.73 tons (+0.28), and the caustic soda operation rate was 84.30% (+3.50%) [2] - Caustic soda downstream operation rate: The alumina operation rate was 85.86% (-0.41%), the printing and dyeing operation rate in East China was 68.06% (+0.75%), and the viscose staple fiber operation rate was 89.66% (+1.05%) [2] Market Analysis PVC - Supply side: Maintenance has resumed this week, supply has increased, and new production capacity is gradually being mass - produced. The supply situation is abundant [3] - Demand side: The downstream operation rate has increased, but the purchasing sentiment is general. The export is trading at a lower price, and the export orders have weakened compared with the previous period [3] - Inventory: The social inventory has decreased slightly, but the absolute value is still high. The PVC futures warehouse receipts are still at a high level, and there is pressure on the futures price [3] Caustic Soda - Supply side: There are new maintenance enterprises and increased production at the same time, and the operation rate has rebounded. Attention should be paid to the 100,000 - ton production capacity release of Tangshan Sanyou [3] - Demand side: The orders of Shandong alumina are stable, but the sentiment is not strongly boosted due to environmental control in Hebei. The non - aluminum demand will turn weak in the off - season. The expected new alumina plants in Guangxi may support the price, and attention should be paid to the procurement situation [3] - Cost: The electricity price in Shandong will increase in November, and the price of liquid chlorine has dropped significantly, which has increased the comprehensive cost valuation of chlor - alkali, and the cost support still exists [3] Strategy PVC - Single - side: Fluctuate widely with the macro - environment, and choose the right time for positive arbitrage between futures and spot [4] - Cross - period: Wait and see [4] - Cross - variety: None [4] Caustic Soda - Single - side: Fluctuate within a range [5] - Cross - period: Wait and see [5] - Cross - variety: None [5]

1. Report Industry Investment Rating - No relevant content provided 2. Core Viewpoints of the Report - This week, the caustic soda price was weak, but due to the high - operating - rate of chlorine - consuming downstream industries such as PVC, the consumption of liquid chlorine was smooth, and its price continued to rise, leading to a wider profit margin in the chlor - alkali industry. In the fourth quarter, as it is the off - season for chlor - alkali plant maintenance and enterprises have sufficient willingness to operate under the current profit level, the supply pressure may remain high. The market price of 32% liquid caustic soda in Shandong is expected to run weakly. For the futures, as there is an expectation of cost - based production cuts in alumina in the future, and the impact after implementation is greater than the replenishment demand of new alumina plants, the spot price is at a premium over the 01 contract. In terms of valuation, there is still room for compression in the profit level corresponding to the 01 contract. Attention should be paid to the realization of the alumina production cut expectation in the future [3]. 3. Summary According to Relevant Catalogs Futures Market - The closing price of the main caustic soda contract was 2317 yuan/ton, a decrease of 44 yuan; the position of the main caustic soda contract was 165,100 lots, an increase of 31,060 lots; the net position of the top 20 futures was - 30,729 lots, a decrease of 16,452 lots; the trading volume of the main caustic soda contract was 362,389 lots, an increase of 60,520 lots. The closing price of the January caustic soda contract was 2317 yuan/ton, a decrease of 44 yuan; the closing price of the May caustic soda contract was 2480 yuan/ton, a decrease of 3 yuan [3]. 现货市场 - The price of 32% ion - membrane caustic soda in Shandong was 800 yuan/ton, unchanged; in Jiangsu, it was 950 yuan/ton, unchanged. The converted - to - 100% price of 32% caustic soda in Shandong was 2500 yuan/ton, unchanged; the basis of caustic soda was 183 yuan/ton, an increase of 44 yuan [3]. Upstream Situation - The mainstream price of raw salt in Shandong was 210 yuan/ton, unchanged; in the Northwest, it was 210 yuan/ton, unchanged. The price of thermal coal was 649 yuan/ton, unchanged [3]. Industry Situation - The mainstream price of liquid chlorine in Shandong was 200 yuan/ton, an increase of 50 yuan; in Jiangsu, it was 125 yuan/ton, an increase of 50 yuan [3]. Downstream Situation - The spot price of viscose staple fiber was 13,120 yuan/ton, unchanged; the spot price of alumina was 2790 yuan/ton, unchanged [3]. Industry News - From October 24th to 30th, the average capacity utilization rate of Chinese caustic soda sample enterprises with a capacity of 200,000 tons and above was 84.3%, a week - on - week increase of 3.5%. From October 18th to 24th, the capacity utilization rate of Chinese alumina was 86.27%, a week - on - week increase of 0.05%. From October 24th to 30th, the operating rate of viscose staple fiber was 89.64%, an increase of 1.03% compared with last week; the operating rate of printing and dyeing was 68.32%, an increase of 1.01% compared with last week. As of October 30th, the factory inventory of fixed - liquid caustic soda sample enterprises with a capacity of 200,000 tons and above nationwide was 442,600 wet tons, a week - on - week increase of 6.84%, and a year - on - year increase of 52.42%. From October 24th to 30th, the average weekly profit of Shandong chlor - alkali enterprises was 626 yuan/ton [3].

Report Industry Investment Rating - Not provided in the content Core Viewpoint - The PVC market may rebound with macro - sentiment after a volatile decline. The caustic soda market has a stable - to - falling spot price, and there are uncertainties in supply and demand [3] Summary by Relevant Catalogs Market News and Important Data PVC - Futures price and basis: The closing price of the PVC main contract was 4,699 yuan/ton (- 3), the East China basis was - 69 yuan/ton (+ 3), and the South China basis was 1 yuan/ton (+ 3) [1] - Spot price: The East China calcium carbide - based PVC was quoted at 4,630 yuan/ton (+ 0), and the South China calcium carbide - based PVC was quoted at 4,700 yuan/ton (+ 0) [1] - Upstream production profit: The semi - coke price was 690 yuan/ton (+ 0), the calcium carbide price was 2,830 yuan/ton (+ 0), the calcium carbide profit was - 12 yuan/ton (+ 0), the PVC calcium carbide - based production gross profit was - 713 yuan/ton (- 91), the PVC ethylene - based production gross profit was - 553 yuan/ton (- 14), and the PVC export profit was - 0.8 US dollars/ton (- 0.2) [1] - Inventory and operation rate: The PVC factory inventory was 36.0 tons (- 2.3), the PVC social inventory was 55.6 tons (- 0.1), the PVC calcium carbide - based operation rate was 74.73% (- 7.03%), the PVC ethylene - based operation rate was 76.10% (- 2.44%), and the overall PVC operation rate was 75.14% (- 5.66%) [1] - Downstream orders: The production enterprise's pre - sales volume was 55.6 tons (- 2.8) [1] Caustic Soda - Futures price and basis: The closing price of the SH main contract was 2,375 yuan/ton (- 5), and the basis of 32% liquid caustic soda in Shandong was 188 yuan/ton (+ 5) [1] - Spot price: The 32% liquid caustic soda in Shandong was quoted at 820 yuan/ton (+ 0), and the 50% liquid caustic soda in Shandong was quoted at 1,280 yuan/ton (+ 0) [1] - Upstream production profit: The single - variety profit of caustic soda in Shandong was 1,571 yuan/ton (+ 0), the comprehensive profit of chlor - alkali in Shandong (0.8 tons of liquid chlorine) was 988.3 yuan/ton (+ 0.0), the comprehensive profit of chlor - alkali in Shandong (1 ton of PVC) was 216.28 yuan/ton (- 10.00), and the comprehensive profit of chlor - alkali in the Northwest (1 ton of PVC) was 1,241.75 yuan/ton (+ 0.00) [2] - Inventory and operation rate: The liquid caustic soda factory inventory was 40.33 tons (- 1.79), the flake caustic soda factory inventory was 2.45 tons (+ 0.34), and the caustic soda operation rate was 81.40% (- 2.90%) [2] - Downstream operation rate: The alumina operation rate was 86.22% (- 0.10%), the dyeing operation rate in East China was 66.76% (+ 0.13%), and the viscose staple fiber operation rate was 88.61% (- 1.02%) [2] Market Analysis PVC - The PVC market may rebound with macro - sentiment after a volatile decline. The supply is abundant with new capacity coming on - stream and some maintenance enterprises resuming production. The demand has recovered to the pre - holiday level, and the social inventory has decreased slightly. The export has shown strong growth, but there are potential impacts from anti - dumping investigations [3] Caustic Soda - The spot price of caustic soda is stable - to - falling. The supply is expected to increase slightly with new capacity and the resumption of maintenance enterprises. The demand from the alumina industry has some uncertainties, and the non - aluminum downstream has seen an increase in operation rate. The inventory has decreased, and there is cost support [3] Strategy PVC - Unilateral: Wait - and - see - Inter - delivery spread: Sell the near - term contract and buy the far - term contract when the spread of V01 - 05 is high - Inter - commodity spread: None [4] Caustic Soda - Unilateral: Wide - range fluctuation - Inter - delivery spread: Wait - and - see - Inter - commodity spread: None [4][5]

1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - For the PVC industry, this week's production volume slightly increased, but the actual volume was less than expected. Next week, production is expected to decrease due to more device overhauls. The apparent demand this week was higher than expected, and it is expected to remain stable next week. The inventory showed a mixed trend, with the old - sample inventory decreasing and the new - sample inventory increasing. The overall comprehensive profit of the chlor - alkali industry was in a relatively strong state but is expected to weaken later. The upstream is mainly focused on stable production, the downstream demand is weak, and the export order volume improved slightly this week [6][9][11]. - For the caustic soda industry, this week's production volume decreased slightly, but it remained at a high level and is expected to continue to increase. The apparent demand was in line with expectations and is expected to remain stable next week. The national inventory decreased slightly and may continue to decline. The comprehensive profit of the chlor - alkali industry in Shandong showed a mixed trend, with the profit of external - sales liquid - chlorine devices improving and the comprehensive profit of PVC - supporting enterprises weakening [112][115]. 3. Summary by Relevant Catalogs 3.1 PVC Market 3.1.1 Production - This week's total PVC production was 47.88 million tons, a week - on - week increase of 1.69 million tons. The ethylene - based production was 13.95 million tons, an increase of 0.55 million tons, and the calcium - carbide - based production was 33.93 million tons, an increase of 1.14 million tons. Next week, the total production is expected to be 44.87 million tons, mainly due to more device overhauls [6]. 3.1.2 Import and Export - The weekly average import volume remained stable at 1.50 million tons, and the weekly average export volume was 5.75 million tons. The export order volume increased slightly this week, and the export volume in July was 33.06 million tons, 10% higher than the previous forecast [6]. 3.1.3 Apparent Demand - This week's apparent demand was 44.35 million tons, higher than the expected 42.53 million tons. The expected apparent demand for next week is 42.53 million tons. The domestic apparent demand growth rate in September is expected to be - 2%, but the actual growth rate may be lower [6]. 3.1.4 Inventory - The total inventory this week was 84.16 million tons, a decrease of 0.72 million tons from last week. The old - sample inventory decreased by 0.72 million tons, while the new - sample inventory of middle - stream traders increased by 1.62 million tons, higher than the old - sample increase of 1.76 million tons. The actual total inventory still increased [6][9]. 3.1.5 Price and Basis - The spot price of PVC showed a weakening trend. The basis of PVC showed a strengthening trend, and the inter - month spread was volatile [11][24][25]. 3.1.6 Profit - The production profit of calcium carbide in Shaanxi remained stable at - 492 yuan/ton, while the production profit of calcium carbide in Inner Mongolia increased from - 40 yuan/ton to 10 yuan/ton. The comprehensive profit of chlor - alkali slightly expanded, but it is expected to weaken later. The profit of various production methods of PVC showed different trends, with some decreasing and some increasing [11]. 3.2 Caustic Soda Market 3.2.1 Production - This week's total caustic soda production was 82.11 million tons, a week - on - week decrease of 0.85 million tons. Next week, the production is expected to be 82.54 million tons and continue to increase [112]. 3.2.2 Import and Export - The weekly average import volume was 0.02 million tons, and the weekly average export volume was 6.52 million tons. The export volume in July was 29.1 million tons, and the export volume is estimated to be around 653,000 tons based on previous years' data [112]. 3.2.3 Apparent Demand - This week's apparent demand was around 77.09 million tons, and next week it is expected to be around 77.53 million tons based on previous years' data [112]. 3.2.4 Inventory - The total inventory (in 100% equivalent) this week was 20.05 million tons, a decrease of 1.48 million tons from last week. The liquid - caustic soda inventory in Shandong decreased by 3.10 million tons, and the flake - caustic soda inventory and the inventory of large alumina plants showed little change [112]. 3.2.5 Price and Basis - The spot price of caustic soda remained stable. The basis of caustic soda showed a strengthening trend, and the inter - month spread was volatile. It is recommended to pay attention to the reverse - arbitrage opportunity for the 1 - 5 spread [115][126][127]. 3.2.6 Profit - The comprehensive profit of chlor - alkali in Shandong showed a mixed trend. The profit of external - sales liquid - chlorine devices improved, and the comprehensive profit of PVC - supporting enterprises weakened. The cost of caustic soda in Shandong remained stable [115].