Industry Investment Ratings - There is no clear overall industry investment rating provided in the report. However, some individual commodity ratings are as follows: - Platinum: Bullish in the long - term [1] - Palladium: Bullish in the short - term; consider [long platinum, short palladium] arbitrage strategy in the medium - term [1] - Fuel oil: Bearish [1] Core Views - In the short term, the market is adjusting due to factors such as decreased risk appetite, weak economic data, and limited policy signals. But the market adjustment since mid - November has opened up space for the upward movement of stock indices next year [1]. - Asset shortage and weak economy are favorable for bond futures, but the central bank has recently warned of interest rate risks, and attention should be paid to the Bank of Japan's interest rate decision [1]. - Different commodities have different trends based on their own supply - demand fundamentals, cost factors, and macro - economic and policy environments. Summary by Categories Macro - finance - Stock indices are expected to continue a weak trend in the short term, but investors can consider gradually establishing long positions during the adjustment phase and using the discount structure of stock index futures to optimize long - term investment costs and win - rates [1]. - Bond futures are favored by asset shortage and weak economy, but short - term interest rate risks are signaled by the central bank, and the Bank of Japan's interest rate decision should be watched [1]. Metals Non - ferrous metals - Aluminum: Prices are in high - level wide - range oscillations due to limited industrial drivers and fluctuating risk appetite [1]. - Alumina: Production and inventory are both increasing, the fundamental situation is weak, some short - positions are closed in the short term with a price rebound, but the upward driving force is limited [1]. - Zinc: After the digestion of short - term macro - benefits, the fundamentals have improved, the cost center has moved up, but the price is under pressure due to news such as LME position limits, and low - long opportunities can be focused on [1]. - Nickel: The overall US non - farm data is weak, the macro - sentiment is fluctuating. Indonesian nickel ore premiums are stable in December. Global nickel inventory is high, and short - term prices may oscillate weakly. In the long - term, the primary nickel market remains in an oversupply situation [1]. - Stainless steel: The price of raw material nickel has declined, and the stainless steel futures are oscillating weakly. Short - term operations are recommended, and opportunities for selling hedging at high prices can be considered [1]. - Tin: Prices are oscillating in the short term due to the tense situation in the Congo and fluctuating macro - sentiment, but a bullish view is held in the long term, and opportunities for low - long after corrections can be focused on [1]. Precious metals - Gold: Prices are expected to oscillate in the short term but have upward potential in the long term [1]. - Silver: Prices are fluctuating sharply and are likely to have wide - range oscillations in the short term [1]. - Platinum: Prices are expected to be strong in the short term and can be bought at low prices in the long term [1]. - Palladium: May follow platinum to be strong in the short term; a [long platinum, short palladium] arbitrage strategy can be considered in the medium term [1]. New Energy - related - Industrial silicon: Northwest production is increasing while southwest production is decreasing. Polycrystalline silicon and organic silicon production schedules are decreasing in December. There is an expectation of capacity reduction in the long - term, and terminal installation is improving marginally in the fourth quarter [1]. - Polycrystalline silicon: It is the traditional peak season for new energy vehicles, energy storage demand is strong, supply - side复产 is increasing, and there is pressure at the 100,000 - yuan key point [1]. Black Metals - Rebar and hot - rolled coil: For both, the value of futures - spot positive arbitrage positions can be rolled for profit - taking. The futures - spot basis and production profit are not high, indicating that the price valuation is not high, and short - chasing is not recommended [1]. - Iron ore: Near - month contracts are restricted by production cuts, but the commodity sentiment is good, and there are upward opportunities for far - month contracts [1]. - Manganese silicon: Direct demand is weak, supply is high, inventory is accumulating, and the price is under pressure [1]. - Ferroalloy: Supply and demand provide support, the valuation is low, but short - term sentiment dominates, and the price is fluctuating strongly [1]. - Glass: Follows the general trend, with acceptable supply - demand and low valuation, and the downward space is limited, and it may be under pressure and oscillate [1]. - Soda ash: Follows glass, with acceptable supply - demand and low valuation, and may be under pressure and oscillate [1]. - Coking coal and coke: After the release of negative news, there are signs of stabilization, and attention should be paid to the spot situation this week and whether downstream enterprises will start winter storage replenishment [1]. Agricultural Products - Soybeans: The USDA report has no highlights. The short - term negative impact of imported soybean auctions on the supply side should be focused on. It is recommended to short the 05 contract due to the expected bumper harvest in global main producing areas [1]. - Cotton: There is strong expectation of a domestic bumper harvest, and the purchase price of seed cotton supports the cost of lint. The downstream opening rate is low, but the yarn mill inventory is not high, with rigid replenishment demand. The cotton market is currently in a situation of "having support but no driver", and future policies, planting area, weather, and demand in the peak season should be watched [1]. - Sugar: There is a global surplus and a significant increase in domestic new - crop supply, with a strong consensus among short - sellers. If the price continues to fall, there is strong cost support, but the short - term fundamentals lack continuous drivers, and changes in the capital side should be watched [1]. - Corn: The quantity of grain entering the port drying towers is increasing, but farmers are still reluctant to sell. The short - term expectation is weakly oscillating, and attention should be paid to the grain - selling progress and inventory changes at each link [1]. - Soybean meal: US soybean exports are weak, South American weather has no obvious driving factors for speculation, and domestic far - month crushing margins are good. The short - term expectation is oscillating, and attention should be paid to subsequent auction volumes and the domestic customs inspection and quarantine policy [1]. - Pulp: Paper pulp futures are fluctuating due to the contradiction between "weak demand" and "strong supply" expectations. It is recommended to wait and see for unilateral operations, and consider a 1 - 5 reverse spread for the monthly spread [1]. - Logs: Log futures are falling due to the decline in foreign quotes and spot prices. The 01 contract is under great pressure as the delivery month approaches and is expected to oscillate weakly [1]. Energy and Chemicals - Crude oil: OPEC+ has suspended production increases until the end of 2026, the Russia - Ukraine peace agreement is being promoted, and the US has increased a new round of sanctions against Russia [1]. - Fuel oil: Follows crude oil in the short term. The demand for "14th Five - Year Plan" construction is likely to be disproven, the supply of Ma Rui crude oil is sufficient, and the asphalt profit is high [1]. - Asphalt: The raw material cost provides strong support, the futures - spot price difference is at a low level, and the mid - stream inventory may start to accumulate [1]. - Natural rubber: The cost of butadiene has increased, supporting downstream products. The private factory's transaction price has increased, and the main factory's listed price has been raised. The operating rate of butadiene rubber is high, and there are rumors of a South Korean factory closing, boosting market sentiment [1]. - PTA: The cost of PX is high, and the PTA profit is under pressure, but integrated enterprises have an advantage in raw material self - sufficiency. The polyester load is maintained at a high level, and the PTA consumption remains high [1]. - Short - fiber: The price continues to closely follow the cost [1]. - Styrene: The cost of benzene and naphtha provides some support, but the overall production economy is negative. The spot market sentiment is warming up, and the short - term replenishment demand is reflected in the slight premium of forward prices. The total inventory remains high without significant destocking [1]. - Propylene: There is limited upside space due to weak export sentiment and insufficient domestic demand, but there is support from anti - reflux and the cost side [1]. - PP: There are fewer overhauls, the operating load is high, the supply pressure is large, downstream improvement is less than expected, and the cost is supported by high - priced propylene monomers [2]. - PE: The operating load is high, the supply pressure is large, downstream improvement is less than expected, and the cost is affected by the decline in oil prices [2]. - PVC: The market is returning to fundamentals, with more new capacity coming online, increasing supply pressure, and weakening demand [2]. - Caustic soda: The delivery of alumina in Guangxi has started, some alumina plants have postponed production, and the procurement rhythm has slowed down. There is inventory pressure in Shandong, and the price of liquid chlorine is high [2]. - LPG: Geopolitical and tariff issues are easing, the international oil and gas market is returning to a fundamentally loose situation. CP and FEI have recently rebounded. The northern hemisphere's combustion demand is gradually being released, and the domestic C3/C4 production and sales are smooth. The PG price is oscillating within a range after a correction [2]. Others - Shipping: In the container shipping market, the price increase in December did not meet expectations, and the price increase expectation during the peak season has been priced in. The supply of shipping capacity in December is relatively loose [2]. - Paper: The paper pulp futures are fluctuating due to the contradiction between "weak demand" and "strong supply" expectations. It is recommended to wait and see for unilateral operations, and consider a 1 - 5 reverse spread for the monthly spread. The log futures are expected to oscillate weakly [1].

Copper - Overnight copper prices showed narrow fluctuations, with domestic refined copper imports maintaining losses. The macroeconomic environment indicates a cooling job market in the U.S., with November non-farm payrolls adding 64,000 jobs, exceeding expectations, but the unemployment rate rose to 4.6%, the highest since 2021. This data confirms a cooling job market, but its impact on the Federal Reserve's view on potential rate cuts in January remains uncertain. The probability of a rate cut in January has increased again [3][11] - The U.S. December Markit Composite PMI preliminary value is 53, below expectations of 53.9 and the previous value of 54.2, indicating a slowdown in order growth and rising price indices. Domestically, the Central Financial Office emphasizes expanding domestic demand as a top priority for next year, continuing a moderately loose monetary policy [3][11] - Inventory levels show LME copper stocks at 165,875 tons, COMEX copper warehouse receipts increased by 1,652 tons to 412,444 tons, SHFE copper warehouse receipts increased by 3,558 tons to 45,784 tons, and BC copper increased by 1,012 tons to 6,977 tons. The upcoming Bank of Japan meeting may introduce macroeconomic disturbances, leading to cautious sentiment in overseas financial markets [3][11] Nickel & Stainless Steel - Overnight LME nickel fell by 0.28% to $14,255 per ton, while SHFE nickel dropped by 0.66% to 111,890 yuan per ton. LME nickel inventory increased by 360 tons to 253,392 tons, and SHFE warehouse receipts rose by 2,622 tons to 37,872 tons. The LME 0-3 month spread remains negative, and the import nickel spread is stable at 400 yuan per ton [12] - Nickel iron prices remain stable, and the stainless steel spot market shows improved transaction sentiment, with total social inventory of stainless steel at 1.0636 million tons, a week-on-week decrease of 1.55%. However, the raw material prices are under pressure due to falling nickel prices and weakening demand [12] - The domestic inventory of primary nickel is increasing again, and the basic fundamentals are dragging nickel prices into a weak oscillation. Attention should be paid to overseas industrial policies and macroeconomic sentiment [12] Alumina & Aluminum - Overnight alumina prices showed a slight increase, with AO2601 closing at 2,553 yuan per ton, up 0.75%. SHFE aluminum also showed a slight increase, with AL2602 closing at 21,825 yuan per ton, up 0.14%. Aluminum alloy prices increased slightly, with AD2602 closing at 20,925 yuan per ton, up 0.05% [13][14] - The SMM alumina price has fallen to 2,787 yuan per ton, and aluminum ingot spot discounts have expanded to 100 yuan per ton. The market is currently negotiating new quarterly order prices for alumina, with companies showing a strong willingness to maintain production despite losses [13][14] - Domestic mining recovery is low, and external mining prices have shown slight declines. The market is gradually adjusting to a new trend of weak supply and strong demand for aluminum prices, with expectations of continued high prices [13][14] Industrial Silicon & Polysilicon - Industrial silicon prices showed a slight decline, with the main contract closing at 8,365 yuan per ton, down 0.59%. The reference price for industrial silicon is stable at 9,580 yuan per ton. Polysilicon prices showed a slight increase, with the main contract closing at 58,600 yuan per ton, up 1.48% [15] - The market is currently focused on hedging contracts or undelivered previous orders, with industrial silicon showing no clear trend and continuing to oscillate. The exchange has implemented measures to ease volatility in polysilicon [15] - The market is experiencing a disconnect between spot oversupply and warehouse shortages, with no upward driving force for the spot market. However, the lack of significant warehouse registration provides some support for the futures market [15] Lithium Carbonate - Lithium carbonate futures for the 2605 contract rose by 1.4% to 101,060 yuan per ton. The average price of battery-grade lithium carbonate increased by 650 yuan per ton to 95,150 yuan per ton, while industrial-grade lithium carbonate also rose by 650 yuan per ton to 92,650 yuan per ton [16] - The weekly production of lithium carbonate increased by 59 tons to 21,998 tons, with spodumene lithium production rising by 260 tons to 13,744 tons. December lithium carbonate production is expected to increase by 3% month-on-month to 98,210 tons [16] - The market is experiencing resource supply disturbances, with expectations of production recovery weakening, leading to price increases. Even in the off-season, prices may weaken, but downstream stocking intentions are expected to remain strong [16]

Report Industry Investment Rating - Not provided in the content Core Views - The current stage of spot supply and demand for copper is still tight, and there is a probability that the upward trend of Shanghai copper will pause. The alumina market is in significant surplus, and the rebound space of the alumina disk is limited before large - scale production cuts. The zinc market has a relatively balanced supply - demand relationship, and there is an opportunity for a cross - market reverse arbitrage strategy. The lead market is affected by overseas surplus pressure, and the price of Shanghai lead may be supported at 16,800 yuan/ton. The nickel and stainless - steel market has a weak fundamental situation, and it is more reasonable to short at high positions. The tin market emphasizes high - position risks. The lithium carbonate market has strong demand, and the price is in a strong shock. The industrial silicon market has a complex situation with supply reduction expectations and price fluctuations. The polysilicon market is in a game between strong policy expectations and weak real - world fundamentals, with wide - range fluctuations [1] Summary by Directory Copper - **Market situation**: LME copper briefly reached nearly $12,000, with short - term fluctuations around $11,900. The Fed cut interest rates in December, and the market is concerned about the short - term balance - sheet expansion. Domestic high copper prices suppress consumption, and the social inventory of SW copper has increased to 164,500 tons. The goal of the price increase promoted by funds has basically been achieved, and some investment banks may raise the 2028 price target. The global visible inventory is high, and the surplus of refined copper is relatively stable in the UK market [1] - **Trend**: The current spot supply and demand are tight, and there is a probability that the upward trend of Shanghai copper will pause. Pay close attention to the phased reduction of positions, and be cautious about the performance of the M10 moving average. Old orders and new enterprises should wait and see, and pay attention to the support of the 40 - day line [1] Aluminum and Alumina - **Alumina**: The Axis mine in Guinea, which has been shut down for half a year, has been approved to restart, and there is an expectation of lower ore prices. The domestic alumina operating capacity remains at a historical high of 96 million tons, and there has been no long - term production cut. The alumina balance is in significant surplus, and the inventory has increased by 102,000 tons to 4.585 million tons. After the economic meeting, relevant domestic themes have fermented, but the fundamental pressure is difficult to change, and the rebound space of the alumina disk is limited before large - scale production cuts [1] - **Aluminum**: Overseas monetary policy is loosening, and there is policy expectation after the domestic economic meeting. The supply - demand relationship in the aluminum market is relatively balanced, and the price is high. The short - term shock - strengthening trend of Shanghai aluminum remains unchanged. Pay attention to the support of the 40 - day line, and if it is broken, the trend will turn to shock [1] Zinc - **Market situation**: After the Fed cut interest rates and expanded the balance sheet last week, the supply pressure of zinc has weakened, and the export window has opened. The LME zinc inventory has increased to 64,500 tons. The IME plans to limit positions on key contracts on July 6, and the term structure of LME zinc has changed from B to C. The domestic refineries' zinc ingot supply is expected to decline by about 25,000 tons in December, and the social inventory of zinc has decreased to 128,200 tons. Some projects are rushing to work at the end of the year, and the orders for galvanized pipes are good [1] - **Trend**: The inventory structure at home and abroad has converged, and there is an opportunity for a cross - market reverse arbitrage strategy. Shanghai zinc is not regarded as a short - selling variety in the short term, and pay attention to the support at 22,800 yuan/ton [1] Lead - **Market situation**: The export window is open, and the overseas surplus pressure is transmitted to the domestic market. The LME lead inventory is at a high level of 235,000 tons, and the 0 - 3 - month spot is at a discount of $31.61/ton. The domestic lead concentrate market has tight supply, and some refineries are under maintenance. The downstream demand for lead - acid batteries is good at the end of the year, but the export is affected by anti - dumping duties [1] - **Trend**: The supply of lead ingots at home and abroad is sufficient, and the price of Shanghai lead may be supported at 16,800 yuan/ton [1] Nickel and Stainless Steel - **Market situation**: Shanghai nickel is under pressure and falling, and the stainless - steel price has also declined. The spot trading is extremely sluggish, and the inventory of nickel and stainless steel has increased. The premium of Jinchuan nickel is high, and the support of high - nickel iron price rebound is weakening [1] - **Trend**: The inventory of Shanghai nickel is increasing, and the fundamental situation is weak. It is more reasonable to short at high positions [1] Tin - **Market situation**: The price of tin has continued to rise last week, showing the characteristics of "increasing positions and rising, reducing positions and adjusting", mainly driven by domestic funds. The market is concerned about the security situation in the east of Congo (Kinshasa) and northern Nigeria. The export volume of Indonesia in November reached a high of 2,458 tons. The potential consumption of the tin market may show a growth rate similar to that of copper and aluminum affected by the long - term global macro - economic trend, but the consumption structure will be more concentrated. The domestic and foreign tin inventories have increased [1] - **Trend**: Continue to emphasize high - position risks, and hold short - call options as the 2001 contract options are about to expire [1] Lithium Carbonate - **Market situation**: The lithium carbonate futures have rebounded in shock, and the market trading is active. The spot price of battery - grade lithium carbonate is 35,200 yuan/ton. The demand side is strong, with expected bright performance in new - energy vehicle sales in December and a supply - demand boom in the energy - storage market. The production of lithium carbonate in December is expected to increase slightly month - on - month [1] - **Trend**: The price of lithium carbonate futures is in a strong shock, and the short - selling side is relatively disadvantaged [1] Industrial Silicon - **Market situation**: The price of the main contract of industrial silicon has fallen to 8,200 yuan/ton, and then rebounded to 8,400 yuan/ton. Some enterprises in Xinjiang plan to stop production. The cost of petroleum coke has slightly decreased, and other costs are stable. The supply is expected to decrease due to weather and other reasons. The demand for polysilicon is stable, and the inventory of industrial silicon has increased by 3,000 tons to 661,000 tons [1] - **Trend**: The establishment of the industrial silicon platform boosts sentiment [1] Polysilicon - **Market situation**: The spot price of polysilicon has continued to rise, and the 05 main contract is expected to break through the 3,000 - yuan/ton mark. The production of polysilicon in December has a limited month - on - month decline, and the production scheduling of silicon wafers has decreased by 16.5% month - on - month. The inventory of polysilicon manufacturers has increased by 2,000 tons to 293,000 tons [1] - **Trend**: The futures and spot prices show different trends. The market is in a game between strong policy expectations and weak real - world fundamentals, and it will maintain wide - range fluctuations before the acquisition plan is further implemented [1]

Report Summary 1. Report Industry Investment Rating No information provided. 2. Core Views - For industrial silicon, the current valuation is low, and if there are relevant capacity exit policies, the futures market may have room to rise. It is expected to operate in a short - term range [1][2]. - For polysilicon, the supply - demand situation is poor with increasing inventory and general consumer - end performance. The market is affected by anti - involution policies and weak reality. The expectation of industry self - disciplined production cuts is strengthening, and the price is expected to fluctuate upwards, but attention should be paid to the target price of 60,000 yuan/ton [3][6]. 3. Summary by Related Catalogs Industrial Silicon - **Market Analysis** - On December 15, 2025, the industrial silicon futures price fluctuated upwards. The main contract 2605 opened at 8505 yuan/ton and closed at 8350 yuan/ton, a change of 95 yuan/ton (1.15%) from the previous day's settlement. The position of the main contract 2601 at the close was 200,749 lots, and the total number of warehouse receipts on December 14 was 8743 lots, a change of 124 lots from the previous day [1]. - The spot price of industrial silicon was basically stable. The price of oxygen - passing 553 silicon in East China was 9100 - 9300 yuan/ton, 421 silicon was 9500 - 9800 yuan/ton, Xinjiang oxygen - passing 553 silicon was 8600 - 8900 yuan/ton, and 99 silicon was 8600 - 8900 yuan/ton. The silicon prices in various regions were flat, and the price of 97 silicon was stable [1]. - As of December 12, the total social inventory of industrial silicon in major regions was 561,000 tons, an increase of 3000 tons from the previous week. Among them, the inventory in social ordinary warehouses was 136,000 tons, an increase of 5000 tons from the previous week, and the inventory in social delivery warehouses was 425,000 tons, a decrease of 2000 tons from the previous week [1]. - The quotation of silicone DMC was 13,500 - 13,700 yuan/ton [1]. - **Strategy** - The industrial silicon futures market is mainly affected by the overall commodity sentiment and policy - related news. It is necessary to pay attention to whether there will be relevant capacity exit policies. Currently, it is recommended to operate within a short - term range [2]. Polysilicon - **Market Analysis** - On December 15, 2025, the main contract 2601 of polysilicon futures fluctuated widely. It opened at 57,000 yuan/ton and closed at 58,030 yuan/ton, a change of 3.61% from the previous trading day. The position of the main contract reached 142,844 lots (126,436 lots the previous day), and the trading volume was 314,139 lots [3]. - The spot price of polysilicon weakened slightly. The price of N - type material was 49.60 - 55.00 yuan/kg, and the price of n - type granular silicon was 49.00 - 51.00 yuan/kg. The inventory of polysilicon manufacturers and silicon wafers increased. The latest polysilicon inventory was 29.30 (with a month - on - month change of 0.55%), the silicon wafer inventory was 23.30GW (with a month - on - month change of 9.39%), the weekly polysilicon output was 25,100 tons (with a month - on - month change of - 2.71%), and the silicon wafer output was 12.15GW (with a month - on - month change of 1.67%) [3]. - For silicon wafers, the price of domestic N - type 18Xmm silicon wafers was 1.18 yuan/piece, N - type 210mm was 1.48 yuan/piece, and N - type 210R silicon wafers was 1.23 yuan/piece [3]. - For battery cells, the price of high - efficiency PERC182 battery cells was 0.27 yuan/W; PERC210 battery cells were about 0.28 yuan/W; TopconM10 battery cells were about 0.28 yuan/W; Topcon G12 battery cells were 0.28 yuan/W; Topcon210RN battery cells were 0.28 yuan/W; HJT210 half - piece battery cells were 0.37 yuan/W [4]. - For components, the mainstream transaction price of PERC182mm was 0.67 - 0.74 yuan/W, PERC210mm was 0.69 - 0.73 yuan/W, N - type 182mm was 0.65 - 0.67 yuan/W, and N - type 210mm was 0.67 - 0.69 yuan/W [4][5]. - **Strategy** - The supply - demand situation of polysilicon is poor with high inventory pressure. After the establishment of the platform company, attention should be paid to the intensity of production and sales restrictions. It is expected that the price will fluctuate upwards, but attention should be paid to the 60,000 yuan/ton target price [6].

1. Report Industry Investment Ratings - No industry investment ratings are provided in the reports. 2. Core Views of the Reports Industrial Silicon - Industrial silicon spot prices are stable, while futures prices opened high and closed low. The market is expected to remain in a weak supply - demand situation in December. The price is expected to fluctuate between 8000 - 9000 yuan/ton, with potential to reach 10000 yuan/ton if production drops significantly, or fall to 7500 yuan/ton under certain negative scenarios. Attention should be paid to position management [1]. Polysilicon - Polysilicon futures prices are oscillating higher. There is a contradiction between the strong futures market and weak spot demand. The current price is in a high - level oscillation. Future trends depend on the extent of production cuts. The trading strategy for the main contract (now 2605) is to wait and see [3]. Tin - The supply of tin ore is tight, but Indonesian exports increased in November, causing tin prices to decline. However, considering the strong fundamentals, tin prices are expected to remain strong within the year. It is recommended to hold long positions and consider buying on dips [5]. Nickel - The nickel market is under fundamental pressure. Macro factors have limited impact on nickel prices. The Indonesian nickel ore benchmark price has fallen, and domestic inventory is increasing rapidly. The price is expected to be weak in the short - term, with the main contract reference range of 110000 - 118000 yuan/ton [7]. Stainless Steel - Stainless steel is in a situation of weak supply and demand. The supply pressure is slightly relieved, and nickel - iron prices have stopped falling, providing cost support. However, the demand is weak in the off - season, and the inventory reduction is insufficient. The price is expected to be weak in the short - term, with the main contract reference range of 12200 - 12800 yuan/ton [8]. Lithium Carbonate - Lithium carbonate prices rose overall. The fundamentals are in a situation of strong supply and demand. The market is affected by news such as the slow resumption of production of large mines. The price may be strong in the short - term under the influence of capital sentiment, but attention should be paid to the sustainability of demand improvement in the off - season [10]. Aluminum and Alumina - Alumina supply is in an oversupply situation, with high inventory suppressing prices. It is expected to oscillate at the bottom, with the main contract reference range of 2450 - 2700 yuan/ton. Aluminum prices are expected to be strong in the short - term but may face a pullback. The main contract of Shanghai Aluminum is expected to oscillate between 21700 - 22400 yuan/ton [12]. Zinc - Zinc prices are oscillating. The supply side is gradually shifting from loose to tight, and demand has shown structural improvement. The short - term Shanghai zinc price may be stronger than the London zinc price. Attention should be paid to the inflection point of TC and changes in refined zinc inventory, with the main contract support at 23000 - 23200 yuan/ton [15]. Copper - Copper prices are oscillating at a high level. The high price is driven by supply - inventory imbalance and macro factors. The supply side may face tightness, and the demand is being suppressed. The price is expected to have limited downside space, with the main contract support at 90000 - 91000 yuan/ton [16]. Aluminum Alloy - Cast aluminum alloy prices are oscillating strongly, with strong cost support but weak demand. The price is expected to oscillate narrowly at a high level, with the main contract reference range of 20700 - 21400 yuan/ton. Attention should be paid to the improvement in scrap aluminum supply and downstream purchasing rhythm [18]. 3. Summary by Relevant Catalogs Industrial Silicon - **Spot Prices and Basis**: The prices of various types of industrial silicon remained stable on December 12 compared to December 11, while the basis decreased significantly. For example, the basis of East China oxygen - containing S15530 industrial silicon decreased by 16.39% [1]. - **Monthly Spreads**: The spreads between different contracts showed various changes, such as the 2601 - 2602 spread decreasing by 150.00% [1]. - **Fundamental Data**: National industrial silicon production decreased by 11.17%, and the national operating rate decreased by 4.84%. Organic silicon DMC production increased by 3.82%, while polysilicon production decreased by 14.48% [1]. - **Inventory Changes**: Most inventories increased slightly on a weekly or daily basis, such as the Xinjiang factory - level inventory increasing by 3.39% on a weekly basis [1]. Polysilicon - **Spot Prices and Basis**: The average prices of N - type polysilicon products remained stable, while the N - type material basis decreased by 41.13% [3]. - **Futures Prices and Monthly Spreads**: The main contract of polysilicon futures rose by 2.56%. The spreads between different contracts showed significant fluctuations, such as the near - month to the first - continuous contract spread decreasing by 1206.25% [3]. - **Fundamental Data**: Weekly silicon wafer production increased by 1.67%, and monthly polysilicon production decreased by 14.48%. Polysilicon imports increased by 11.96%, and exports decreased by 27.99% [3]. - **Inventory Changes**: Polysilicon inventory increased by 0.69%, and silicon wafer inventory increased by 9.39% [3]. Tin - **Spot Prices and Basis**: SMM 1 tin and Yangtze 1 tin prices decreased by 1.76% on December 16 compared to the previous value, and the LME 0 - 3 premium decreased by 22.73% [5]. - **Import - Export Parity and Ratios**: The import loss decreased by 8.14%, and the Shanghai - London ratio was 7.92 [5]. - **Monthly Spreads**: The spreads between different contracts showed different changes, such as the 2601 - 2602 spread decreasing by 18.06% [5]. - **Fundamental Data**: In October, tin ore imports increased by 33.49%, and SMM refined tin production increased by 53.09%. Refined tin imports decreased by 58.55%, and exports decreased by 15.33% [5]. - **Inventory Changes**: SHEF inventory increased by 7.66%, and social inventory increased by 5.59% [5]. Nickel - **Prices and Basis**: SMM 1 electrolytic nickel and 1 Jinchuan nickel prices decreased by 0.72% and 0.70% respectively. The 1 Jinchuan nickel premium increased by 1.92% [7]. - **Electrolytic Nickel Production Costs**: The production cost of integrated MHP - based electrolytic nickel increased by 0.19%, while that of integrated high - grade nickel matte - based electrolytic nickel decreased by 3.60% [7]. - **Monthly Spreads**: The spreads between different contracts showed small changes, such as the 2602 - 2603 spread increasing by 20 yuan/ton [7]. - **Supply - Demand and Inventory**: China's refined nickel production decreased by 9.38%, and imports decreased by 65.66%. SHFE inventory increased by 5.10%, and social inventory increased by 3.73% [7]. Stainless Steel - **Prices and Basis**: The price of 304/2B (Wuxi Hongwang 2.0 coil) remained stable, while that of 304/2B (Foshan Hongwang 2.0 coil) decreased by 0.39%. The spot - futures price difference increased by 20.99% [8]. - **Raw Material Prices**: The prices of most raw materials remained stable, such as the average price of Philippine laterite nickel ore 1.5% (CIF) remaining at 57 US dollars/wet ton [8]. - **Monthly Spreads**: The spreads between different contracts changed slightly, such as the 2602 - 2603 spread decreasing by 10 yuan/ton [8]. - **Fundamental Data**: China's 300 - series stainless steel crude steel production decreased by 0.72%, and Indonesia's production increased by 0.36%. Stainless steel imports increased by 3.18%, and exports decreased by 14.43% [8]. - **Inventory Changes**: The 300 - series social inventory in Wuxi and Foshan increased by 0.69%, and the SHFE warehouse receipt decreased by 0.30% [8]. Lithium Carbonate - **Prices and Basis**: SMM battery - grade lithium carbonate and industrial - grade lithium carbonate prices increased by 0.69% and 0.71% respectively. The basis increased by 0.69% [10]. - **Monthly Spreads**: The spreads between different contracts showed different changes, such as the 2601 - 2602 spread increasing by 120 yuan/ton [10]. - **Fundamental Data**: In November, lithium carbonate production increased by 3.35%, and demand increased by 5.11%. In October, imports increased by 21.86%, and exports increased by 63.05% [10]. - **Inventory Changes**: In November, the total lithium carbonate inventory decreased by 23.36%, the downstream inventory decreased by 21.13%, and the smelter inventory decreased by 27.19% [10]. Aluminum and Alumina - **Prices and Spreads**: SMM A00 aluminum price decreased by 1.54%, and the alumina average price remained stable. The electrolytic aluminum import loss decreased by 1977 yuan/ton [12]. - **Monthly Spreads**: The spreads between different aluminum contracts showed various changes, such as the AL 2601 - 2602 spread decreasing by 35 yuan/ton [12]. - **Fundamental Data**: In November, alumina production decreased by 4.44%, domestic electrolytic aluminum production decreased by 2.82%, and overseas production decreased by 3.50%. In October, electrolytic aluminum imports increased by 0.61%, and exports decreased by 15.18% [12]. - **Inventory Changes**: China's electrolytic aluminum social inventory increased by 0.17%, and the aluminum rod social inventory increased by 8.58% [12]. Zinc - **Prices and Basis**: SMM 0 zinc ingot price decreased by 0.97%, and the premium increased by 5 yuan/ton [15]. - **Import - Export Parity and Ratios**: The import loss decreased by 813.46 yuan/ton, and the Shanghai - London ratio increased by 0.03 [15]. - **Monthly Spreads**: The spreads between different contracts showed different changes, such as the 2601 - 2602 spread decreasing by 10 yuan/ton [15]. - **Fundamental Data**: In November, refined zinc production decreased by 3.56%. In October, imports decreased by 16.94%, and exports increased by 243.79% [15]. - **Inventory Changes**: China's zinc ingot seven - region social inventory decreased by 7.57%, and LME inventory increased by 4.12% [15]. Copper - **Prices and Basis**: SMM 1 electrolytic copper price decreased by 1.42%, and the premium increased by 80 yuan/ton [16]. - **Monthly Spreads**: The spreads between different contracts changed, such as the 2602 - 2603 spread decreasing by 30 yuan/ton [16]. - **Fundamental Data**: In November, electrolytic copper production increased by 1.05%, and in October, imports decreased by 15.61%. The import copper concentrate index decreased by 0.51% [16]. - **Inventory Changes**: The domestic social inventory increased by 2.62%, the bonded - area inventory decreased by 2.58%, and the SHFE inventory increased by 0.54% [16]. Aluminum Alloy - **Prices and Spreads**: SMM aluminum alloy ADC12 price decreased by 0.69%. The spreads between different contracts showed different changes, such as the 2601 - 2602 spread decreasing by 25 yuan/ton [18]. - **Fundamental Data**: In November, recycled aluminum alloy ingot production increased by 5.74%, and primary aluminum alloy ingot production increased by 5.84%. In October, imports decreased by 7.06%, and exports increased by 31.49% [18]. - **Inventory Changes**: The weekly social inventory of recycled aluminum alloy ingots decreased by 1.08% [18].

Copper - Overnight copper prices fluctuated and then retreated, with domestic refined copper imports maintaining losses. The New York Federal Reserve reported a significant drop in the general business conditions index by about 23 points to -3.9, indicating a contraction in manufacturing, although the outlook for the next six months improved significantly, with the outlook index rising 16.6 points to its highest level since the beginning of the year, reflecting increased optimism about orders and shipments [3][9] - Domestic economic data for November showed resilient exports but weak domestic demand, with consumption declining rapidly month-on-month and fixed asset and real estate investments under pressure, highlighting the need for policy intervention [3][9] - LME copper inventory decreased by 25 tons to 165,875 tons, while COMEX copper warehouse receipts increased by 1,995 tons to 410,792 tons, and SHFE copper warehouse receipts rose by 9,663 tons to 42,226 tons [3][9] Nickel & Stainless Steel - LME nickel fell by 2.22% to $14,295 per ton, while SHFE nickel dropped by 2.15% to 112,530 yuan per ton. LME inventory increased by 360 tons to 253,392 tons, and SHFE warehouse receipts rose by 2,622 tons to 37,872 tons [10] - The stainless steel market showed improved transaction sentiment, with total social inventory of stainless steel in major markets decreasing by 1.55% week-on-week to 1,063,600 tons [10] - The nickel price is under pressure due to weak demand and inventory accumulation, with attention on overseas industrial policies and macroeconomic sentiment [10] Alumina & Aluminum - Overnight alumina prices showed a slight decline, with AO2601 settling at 2,527 yuan per ton, down 0.75%. SHFE aluminum also experienced a slight decline, with AL2602 closing at 21,865 yuan per ton, down 0.11% [11] - The market is currently negotiating new quarterly order prices for alumina, with companies showing a strong willingness to maintain production despite losses [11] - The aluminum price is expected to continue to run at high levels due to supply constraints and the impact of the Federal Reserve's interest rate decisions [11] Industrial Silicon & Polysilicon - Industrial silicon prices showed a slight increase, with the main contract settling at 8,350 yuan per ton, up 1.15%. Polysilicon prices also increased, with the main contract at 58,030 yuan per ton, up 3.61% [13] - The market is currently experiencing a disconnect between spot and futures prices due to excess supply in crystalline silicon and a shortage of warehouse receipts [13] - The trading environment remains cautious, with a focus on the dynamics of production capacity and market responses to recent production cuts [13] Lithium Carbonate - Lithium carbonate futures rose by 1.4% to 101,060 yuan per ton, with both battery-grade and industrial-grade lithium carbonate prices increasing by 650 yuan per ton [14] - Weekly production increased by 59 tons to 21,998 tons, with expectations for a 3% increase in December production [14] - The market is experiencing a reduction in inventory levels, with social inventory continuing to decline, indicating strong demand despite potential seasonal price weaknesses [14]

Report Information - Report Date: December 16, 2025 [2] - Research Team: Energy and Chemical Research Team [3] Market Performance - Industrial silicon futures prices continued to operate weakly. The closing price of Si2601 was 8,425 yuan/ton, with a gain of 0.72%, a trading volume of 110,685 lots, and an open interest of 80,097 lots, a net decrease of 30,727 lots. The price of the SI2605 contract was 8,350 yuan/ton, with a gain of 1.15%, a trading volume of 303,910 lots, and an open interest of 200,749 lots, a net increase of 9,521 lots. The top twenty long positions had a net increase of 5,137 lots, and the short positions had a net increase of 8,246 lots [4] - Spot prices remained stable. The price of Sichuan 553 was 9,300 yuan/ton, and that of Yunnan 553 was 9,100 yuan/ton. The price of Sichuan 421 was 9,900 yuan/ton, that of Xinjiang 421 was 9,400 yuan/ton, and that of Inner Mongolia 421 was 9,500 yuan/ton [4] Market Outlook - The supply - demand relationship remained weak, and the supply was close to the seasonal low. The weekly output in the third week of December was 82,000 tons. If the polysilicon storage platform significantly reduced the industrial silicon production capacity/output, it would be a significant negative for the demand side. The operating rate of silicone was 69.56%, a decrease of 4.73 percentage points from the previous week. After the futures price broke through the support last week, funds concentrated on increasing positions and volume, and the price declined to test the 8,200 level. The basis quickly increased from being basically flat. On Friday, short - term short positions actively stopped losses and reduced positions, and the rebound of raw material commodities provided support, but the rebound resistance was also obvious. Overall, it was expected to operate in a bearish and volatile manner [5] Market News - On December 15, the number of industrial silicon warehouse receipts on the Guangzhou Futures Exchange was 8,743 lots, an increase of 124 lots from the previous trading day. The industrial silicon inventory was 446,400 tons, a week - on - week increase of 2.22% and a year - on - year increase of 30.40% [6] - The silicone DMC market remained stable. The current DMC quotation was between 13,500 - 14,000 yuan/ton. After the price increase of major silicone products, the new order transactions of enterprises were average, and the inventory pressure of enterprises was not large. The market was expected to operate stably in the short term [6]

平台公司提振，多晶硅偏强震荡 工业硅/多晶硅 20251215 博士后工作站 | 宏观研究 | 大宗商品 周贵升 从业资格证：F3036194 投资咨询证：Z0015986 工业硅 价格：现货方面，本周工业硅现货价格偏弱。截至2025年12月12日，新疆工业硅553#通氧价格为8800元/吨，环比上 周下跌100元/吨。期货方面，本周主力合约大幅走低，截至12月12日主力合约收8390元/吨。 供应：新疆地区因上周新增硅炉产量释放，目前硅价低位北方大厂有协商自律意愿，且冬季空气污染多发，石河子重 污染天气预警对硅企生产有所影响，关注开工变化情况；云南地区开工维持低位；四川地区在产硅企季节性减产，在 产硅企稀少。整体而言，工业硅产量环比小幅回落。 需求：多晶硅周度开工基本稳定，周内有部分粉单订单招标；有机硅开工小幅下降，下游持稳为主；铝合金企业开工 率小幅下降，重庆地区因天气污染有减产。出口方面，10月工业硅出口4.51万吨，环比减少36%，同比减少31%。 成本：本周工业硅成本暂稳。 库存：SMM统计12月11日工业硅全国社会库存共计56.1万吨，较上周增加0.3万吨。 后市研判：目前工业硅供需偏弱，高库存去 ...

Group 1: Report Industry Investment Rating - No relevant content provided Group 2: Core Viewpoints of the Report - The overall sentiment in the commodity market was weak last Friday, and the prices of finished steel products showed a weak and volatile trend. The terminal demand remains weak, and the inventory pressure of hot-rolled coils is prominent. Steel prices are expected to fluctuate in the bottom range. With the approaching of winter storage, attention should be paid to winter storage policies and price guidance [2]. - The supply of iron ore has slightly increased, while the demand has decreased, and the inventory has continued to rise. The price of iron ore is expected to fluctuate weakly, and attention should be paid to the support level of 750 yuan/ton for the weighted contract [5]. - The market is relatively optimistic about the black sector and domestic policies. It is recommended to pay attention to whether there are any unexpected situations, as well as the inflection points of sentiment and prices [9]. - The supply and demand pattern of manganese silicon is not ideal, while that of ferrosilicon remains basically balanced. The future market trends of these two products will be mainly influenced by the direction of the black sector and cost increases [10]. - The price of industrial silicon is expected to be weak in the short term, and it may rebound if the sentiment of "anti-involution" related commodities improves. Attention should be paid to new supply-side disturbances in the northwest [14]. - The price of polysilicon is expected to be affected by the "anti-involution" policy and the weak supply and demand situation. Attention should be paid to the pressure level of 60,000 yuan for the futures contract [16]. - The float glass market is in a state of weak supply-demand balance and is expected to continue to show a narrow-range fluctuation trend in the short term [19]. - The price of soda ash is expected to continue to decline under pressure in the short term. Attention should be paid to the impact of enterprise maintenance schedules and inventory changes on the market [21]. Group 3: Summary by Related Catalogs Steel Market Quotes - The closing price of the rebar main contract was 3,060 yuan/ton, a decrease of 9 yuan/ton (-0.29%) from the previous trading day. The registered warehouse receipts were 43,097 tons, a net increase of 2,418 tons. The position of the main contract was 1.607057 million lots, a net increase of 4,982 lots. The spot prices in Tianjin and Shanghai remained unchanged [1]. - The closing price of the hot-rolled coil main contract was 3,232 yuan/ton, a decrease of 6 yuan/ton (-0.18%) from the previous trading day. The registered warehouse receipts were 108,128 tons, a net decrease of 886 tons. The position of the main contract was 1.190487 million lots, a net increase of 42,139 lots. The spot price in Lecong decreased by 10 yuan/ton, while that in Shanghai remained unchanged [1]. Strategy Views - The production of rebar decreased significantly this week, and the inventory continued to decline, showing a neutral to stable overall performance. The production of hot-rolled coils continued to decline, the apparent demand decreased slightly, and it was more difficult to reduce inventory. The factory inventory also increased this week [2]. - The central economic work conference proposed to focus on stabilizing the real estate market, which will provide some support for steel demand, but the steel consumption related to real estate will remain weak [2]. Iron Ore Market Quotes - The closing price of the iron ore main contract (I2605) was 760.50 yuan/ton, an increase of 0.46% (+3.50). The position decreased by 2,568 lots to 465,500 lots. The weighted position was 882,300 lots. The spot price of PB powder at Qingdao Port was 782 yuan/wet ton, with a basis of 70.00 yuan/ton and a basis rate of 8.43% [4]. Strategy Views - The overseas iron ore shipments increased slightly in the latest period. The shipments from Australia increased, while those from Brazil decreased. The shipments from non-mainstream countries reached a new high for the year, and the near-term arrivals decreased [5]. - The daily average pig iron output decreased to below 2.3 million tons. The profitability of steel mills decreased slightly, and the port inventory continued to rise [5]. Manganese Silicon and Ferrosilicon Market Quotes - On December 12, the manganese silicon main contract (SM601) closed up 0.32% at 5,730 yuan/ton. The spot price in Tianjin was 5,700 yuan/ton, with a basis of 160 yuan/ton [8]. - The ferrosilicon main contract (SF603) closed up 0.96% at 5,470 yuan/ton. The spot price in Tianjin was 5,600 yuan/ton, with a basis of 130 yuan/ton [8]. Strategy Views - The supply and demand pattern of manganese silicon is not ideal, but most of these factors have been reflected in the price. The supply and demand structure of ferrosilicon remains basically balanced [10]. - The future market trends of these two products will be mainly influenced by the direction of the black sector and cost increases, especially the potential impact of sudden changes in the manganese ore market [10]. Industrial Silicon and Polysilicon Market Quotes - The closing price of the industrial silicon futures main contract (SI2605) was 8,390 yuan/ton, an increase of 1.94% (+160). The weighted contract position decreased by 35,281 lots to 459,941 lots. The spot price of 553 non-oxygenated silicon in East China remained unchanged at 9,200 yuan/ton, with a basis of 810 yuan/ton [12]. - The closing price of the polysilicon futures main contract (PS2605) was 57,190 yuan/ton, an increase of 2.56% (+1,425). The weighted contract position increased by 4,484 lots to 269,692 lots. The average spot prices of N-type granular silicon, dense material, and reclaimed material remained unchanged, with a basis of -4,890 yuan/ton [15]. Strategy Views - The production of industrial silicon has reached a bottleneck in decline, and the demand has weakened. The price is expected to be weak in the short term and may rebound if the sentiment of related commodities improves [14]. - The production of polysilicon is expected to continue to decline in December, but the decline may be limited. The downstream demand is weak, and the inventory pressure is difficult to relieve. Attention should be paid to the pressure level of 60,000 yuan for the futures contract [16]. Glass and Soda Ash Market Quotes - The glass main contract closed at 964 yuan/ton on Friday afternoon, a decrease of 2.03% (-20). The inventory of float glass sample enterprises decreased by 1.215 million boxes (-2.04%) week-on-week. The top 20 long and short positions decreased by 68,030 and 67,811 lots respectively [18]. - The soda ash main contract closed at 1,094 yuan/ton on Friday afternoon, a decrease of 2.76% (-31). The inventory of soda ash sample enterprises decreased by 443,000 tons (-2.04%) week-on-week. The top 20 long and short positions decreased by 54,680 and 61,494 lots respectively [20]. Strategy Views - The supply of glass decreased due to cold repairs, and the market sales were supported to some extent. However, due to high inventory and weak terminal demand, the upward space was limited. The market is expected to continue to fluctuate narrowly in the short term [19]. - The supply of soda ash increased due to the resumption of production of maintenance enterprises and new capacity releases. The downstream demand has not improved significantly, and the price is expected to continue to decline under pressure in the short term [21].

1. Report Industry Investment Rating No information provided in the report. 2. Core Viewpoints of the Report - In the short - term, there is no driving force, and the market shows a weak and volatile pattern. However, it is necessary to be vigilant about environmental protection speculation in winter. In the medium - to - long - term, the downside space for industrial silicon prices is limited, and it is cost - effective to buy long - term contracts during peak seasons at low prices. The price trend of industrial silicon is also closely related to the price fluctuations of related products such as polysilicon and coking coal [2]. 3. Summary by Relevant Catalogs 3.1 Core Contradictions and Strategy Suggestions 3.1.1 Core Contradictions - The core driving factors for the future price trend of industrial silicon futures include the progress of eliminating backward production capacity under the "anti - involution" background of the industry, production cuts on the supply side due to environmental protection constraints or rising costs, and the expected production cuts on the demand side due to weak terminal sales. The industry has expectations for eliminating backward production capacity, but due to the large number of private enterprises and scattered layout in the industrial silicon industry, there is a lack of confidence in effective capacity clearance through industry self - regulation. - Electricity costs account for 30% of the production cost of industrial silicon, and coal price fluctuations affect electricity costs and then industrial silicon prices. In December, the operating rate of industrial silicon producers is expected to decline. Downstream, the polysilicon industry is reducing production, the silicone monomer plants have maintenance plans, and only the aluminum alloy industry maintains a stable operating rate [1]. 3.1.2 Trading Logic - Near - term trading logic (before the end of 2025): Environmental protection disturbances, and expected production cuts on both the supply and demand sides. - Long - term trading logic (after early 2026): The progress of eliminating backward production capacity under the "anti - involution" background of the industry, and continuous attention to demand [4]. 3.1.3 Industrial Operation Suggestions - Sales management: For enterprises planning to produce industrial silicon in the future and worried about price drops during sales, they can sell corresponding futures contracts and use a combined options strategy (buy put options and sell call options) with a recommended hedging ratio of 20%. - Procurement management: For enterprises planning to produce polysilicon, silicone, or aluminum alloy in the future, if the finished product price is not correlated, they can buy corresponding futures contracts with a recommended hedging ratio of 30% and use a combined options strategy (sell put options and buy call options) with a ratio of 10%. If the finished product price is correlated, they can sell corresponding futures contracts and use a combined options strategy (buy put options and sell call options) with a ratio of 20%. - Inventory management: For enterprises with high industrial silicon inventory and worried about inventory depreciation due to price drops, they can short futures contracts and use a combined options strategy (sell call options and buy put options) with recommended hedging ratios of 20% and 10% respectively [5]. 3.2 Important Information and Events to Watch 3.2.1 This Week's Important Information Review - On December 8, Jianghan New Materials announced that a 60,000 - ton/year trichlorosilane plant was put into trial operation in October this year, 10,000 tons of silane production capacity is planned to be put into trial operation in December, and another 10,000 tons each will be put into trial operation in mid - and late - next year. In 2027, optical fiber - grade silicon tetrachloride and electronic - grade tetraethyl orthosilicate plants will be gradually built. - On December 8, GCL Technology announced that its subsidiaries and other parties signed a partnership agreement to establish a limited partnership, which plans to acquire a 42.469% stake in Inner Mongolia Xinyuan Silicon Materials Technology Co., Ltd. from Hongyuan Green Energy and Tibet Ruihua for a total consideration of RMB 2.01 billion [6]. 3.2.2 Next Week's Events to Watch No events to watch were mentioned in the report [7]. 3.3 Disk Interpretation 3.3.1 Price, Volume, and Capital Analysis - The closing price of the industrial silicon weighted index contract on Friday was 8,412 yuan/ton, a week - on - week decrease of 4.66%. The trading volume was 619,800 lots, a week - on - week increase of 113.65%, and the open interest was 460,100 lots, an increase of 19,000 lots week - on - week. The monthly spread between SI2601 and SI2605 was in a back structure, with a week - on - week increase of 90 yuan/ton. The number of warehouse receipts was 8,619 lots, an increase of 1,331 lots week - on - week. - The industrial silicon weighted futures price quickly fell below the 5 - day moving average this week. The disk showed the characteristic of "short - position increase and price decline". The current price quickly fell below the lower track of the Bollinger Band, and the Bollinger Bandwidth showed signs of widening. It is necessary to focus on the support level of 8,000 yuan/ton, and from Thursday to Friday, there was a characteristic of "short - position exit and price stabilization" [10][11]. 3.3.2 Option Analysis - The 20 - day historical volatility of industrial silicon has been strengthening in the past week, indicating that the actual price fluctuation range has been gradually expanding. The implied volatility of at - the - money options has also been strengthening. The PCR of option open interest has been rising, indicating an increasing bearish sentiment in the market [13]. 3.3.3 Term Structure Analysis - The term structure of industrial silicon futures shows a back structure, which is relatively stable. The basis of the main industrial silicon contract is at a relatively high level [17][19]. 3.3.4 Spot Data of the Silicon Industry Chain - The prices of different grades of industrial silicon in various regions have shown different degrees of decline. The prices of industrial silicon powder have also decreased. The price of trichlorosilane and polysilicon N - type price index remained unchanged, the price of silicone DMC was stable, and the price of aluminum alloy ADC12 increased slightly [22]. 3.4 Valuation and Profit - Since hitting the profit low in May, the average profit of the industrial silicon industry has been in a continuous recovery channel. The profit of the polysilicon industry is currently stable, providing important support for the demand of industrial silicon. The profit of the aluminum alloy industry is showing a weakening trend, while the profit of the silicone industry is recovering [23]. 3.5 Fundamental Analysis 3.5.1 Upstream - Industrial Silicon - The weekly production and operating rates of industrial silicon from different data sources showed different trends. The weekly production of some data sources increased, while others decreased. The operating rates also showed mixed trends [30]. - The inventory data of industrial silicon in different regions and warehouses showed different changes [47][48][50]. 3.5.2 Downstream - Polysilicon - The weekly production of domestic polysilicon decreased, and the operating rate also declined. The total inventory of polysilicon increased slightly, with different changes in the inventory of production enterprises, silicon wafer enterprises, and warehouse receipts [51][52][54]. 3.5.3 Downstream - Aluminum Alloy - The operating rates of primary and secondary aluminum alloys decreased slightly, and the inventory of primary aluminum alloy decreased, while the inventory of secondary aluminum alloy decreased significantly [58][59]. 3.5.4 Downstream - Organic Silicon - The weekly production of organic silicon DMC decreased, with a week - on - week decrease of 6.12% [64]. 3.5.5 Terminal - The report shows the data trends of China's commercial housing sales area, automobile monthly production, and photovoltaic monthly new installed capacity [67].