Summary of Conference Call on Tin Market Dynamics Industry Overview - The conference call primarily discusses the tin industry, focusing on supply and demand dynamics, price forecasts, and the impact of tariffs on the market [1][2][3]. Key Points and Arguments Tin Price Performance - In Q1, tin prices were strong due to supply contraction expectations from the Democratic Republic of Congo (DRC) and Wa State, but supply pressures eased as production resumed [1][2]. - Domestic tin inventory continues to decrease, and LME (London Metal Exchange) inventories are also declining, indicating a strong near-term market outlook [1][3]. - The current backwardation structure in the market suggests a strong fundamental outlook for near-term contracts, while long-term price expectations remain pessimistic [1][3]. Supply and Demand Dynamics - The anticipated recovery of production in DRC and Wa State could lead to an increase in supply by approximately 6,000 to 7,000 metric tons for the year [2][15]. - If the U.S. reinstates a 24% tariff, it could negatively impact demand by about 20% [5]. - The photovoltaic (PV) sector's demand for tin is expected to be around 26,000 to 27,000 tons in 2025, but the demand from the electronics sector, particularly for solder, remains robust [6][9]. Tariff Impact - The current tariff situation is complex, with a temporary exemption in place. If tariffs are reinstated, the demand for tin could face significant pressure [5][7]. - Downstream companies are adapting by rerouting trade through Southeast Asia to mitigate tariff impacts, maintaining smooth logistics for electronic exports [7][8]. Sector-Specific Insights - The automotive sector is projected to grow by 20%, while the home appliance sector is expected to grow by 5-6% [9]. - Despite a decline in semiconductor and consumer electronics growth rates, overall solder demand remains positive, with a projected increase of 3,000 to 4,000 tons for the year [9][10]. Price Forecasts - Tin prices are expected to stabilize around 230,000 CNY per ton in the short term, with potential declines to 200,000 CNY if supply increases significantly and demand does not keep pace [4][20]. - The long-term outlook suggests a gradual increase in the price center due to growth in AI and semiconductor applications, with supply growth expected from new projects in the coming years [21][22]. Inventory and Market Sentiment - Downstream producers currently have sufficient inventory levels, having replenished stock after price drops in April [18][19]. - The market sentiment indicates a preference for stable prices, with a psychological support level at 230,000 CNY [18][20]. Future Demand Drivers - The AI industry is expected to drive future demand growth, although quantifying this impact remains challenging [22]. - The overall demand for tin is projected to grow slightly year-on-year, despite fluctuations in specific sectors [13]. Additional Important Insights - The recovery of production in DRC and Wa State is crucial for balancing supply and demand, with potential impacts on global tin prices [14][15]. - The overall supply-demand balance for 2025 is expected to shift towards a tight balance in the first half, with potential oversupply in the second half of the year [31]. This summary encapsulates the key discussions and insights from the conference call regarding the tin market, highlighting the interplay between supply, demand, pricing, and external factors such as tariffs.

Group 1 - The core viewpoint indicates that the tin market is experiencing a tug-of-war between current supply tightness and future supply expectations, limiting upward price movement [1] - The main supply issue is characterized by a tight domestic tin mining situation, with smelting plant operating rates remaining low at 56.85% in key provinces [1] - Demand is showing signs of weakness, particularly among small and medium enterprises, with pessimistic expectations for future demand due to tariffs and semiconductor cycles [1] Group 2 - Overall consumption lacks momentum, but basic consumption remains stable, with some recovery in exports of terminal goods [2] - The domestic tin supply remains tight, with expectations for increased imports due to overseas restarts [2] - The macroeconomic impact is diminishing, and the fundamental market lacks strong drivers, suggesting that short-term tin prices may experience fluctuations and adjustments [2]

Report Industry Investment Rating No relevant content provided. Core Viewpoints of the Report - Short - term tin prices will fluctuate. Attention should be paid to the possible short - term sentiment boost from Sino - US negotiations, while the news of Wa State's resumption of production and the risk of weakening demand on the margin will exert pressure [2][56]. Summary by Directory 1. When - week Macro Data/Events - From May 12th to May 16th, there are multiple important economic data releases and speeches from central bank officials, including Japan's April economic observer outlook index, the eurozone's May ZEW economic sentiment index, and US inflation data for April [4]. 2. Tin Concentrate: Pay Attention to the News of Wa State's Resumption of Production - From May 6th to May 9th, the processing fees of tin concentrate remained unchanged compared with last week. The processing fee for 40% tin concentrate in Yunnan was 12,700 yuan/ton, and that for 60% tin concentrate in Jiangxi and Hunan was 8,700 yuan/ton [6]. - In March, the total import volume of tin concentrate was 8,323 tons, a year - on - year decrease of 64%. The import volume from Myanmar dropped significantly by 87% to 2,252 tons, while that from Congo (Kinshasa) was 2,439 tons (2,551 tons in the same period last year), and the import from Australia decreased slightly to 1,084 tons (1,188 tons last year) [6]. 3. Refined Tin: Low Smelter Operating Rate, Import Window Opened and then Closed - From May 6th to May 9th, the combined operating rate of refined tin smelting enterprises in Yunnan and Jiangxi was 57.16%, remaining at a low level due to raw material shortages, far lower than that in the fourth quarter of 2024 [9]. - In March, the import volume of tin ingots was 2,101 tons, a year - on - year increase of 147%, reaching a historical high for the same period. From May 6th to May 9th, the import profit and loss fluctuated between - 4,545 and 1,134 yuan, and the import window opened. In March, Indonesia exported 8,780 tons of refined tin, a 50% increase compared with the same period last year [10]. 4. Tin Solder - In March 2025, the overall sample operating rate of domestic tin solder enterprises rebounded to 75.81%, showing significant improvement compared with February [17]. - As of February 2025, the year - on - year growth rate of global semiconductor sales was 17.1%, remaining at a high level. On May 2nd, the Philadelphia Semiconductor Index reached 4,397 points, showing a recent rebound. In March, China's semiconductor production was 41.97 billion pieces, a year - on - year increase of 9.2%, and the export of integrated circuits was 28.797 billion, a year - on - year increase of 25.12% [25]. - In March, the production of mobile phones was 137 million units, a year - on - year increase of 0.4%; the production of computers was 3.212 million units, a year - on - year increase of 7.8%; and the production of optoelectronic devices was 163.9 billion pieces, a year - on - year increase of 0.9%. Attention should be paid to the impact of AI concepts and policies on consumer electronics consumption [26]. - In March, the domestic production of photovoltaic cells was 78.444 million kilowatts, a year - on - year increase of 23.6%, and the export volume of photovoltaic modules was 954 million, a year - on - year increase of 85%. As of May 9th, the operating rate of domestic photovoltaic glass was 70.34%, a slight increase of 0.9%, and the inventory turnover days of photovoltaic glass enterprises was 26.68 days, a month - on - month increase of 2.18% [33][34]. 5. Tin Chemicals - As of May 9th, the weekly operating rate of PVC rebounded to 80.34%, a 1.01% increase from last week. The weekly profit of the ethylene method was - 652 yuan/ton, and that of the calcium carbide method was - 705 yuan/ton, with production profits remaining in a large - scale loss [39]. - As of May 11th, the number of property transactions in 30 cities was 12,718, showing a seasonal decline and a significant year - on - year decline compared with 20,706 in the same period last year. From January to March, the cumulative value of real estate construction area was 6.13705 billion square meters, a cumulative year - on - year decrease of 9.5%, and the cumulative value of real estate completion area in March was 130.6 million square meters, a year - on - year decrease of 14.3% [39]. 6. Inventory: Weekly Social Inventory Increased after Decreasing - From May 2nd to May 9th, the social inventory of tin ingots increased by 360 tons to 10,193 tons, the SHFE warehouse receipts decreased by 143 tons to 8,402 tons, and the LME inventory increased by 50 tons to 2,705 tons [47]. 7. Shanghai Tin: Pay Attention to Sino - US Trade Negotiations, Short - term Fluctuation - From May 6th to May 9th, the weighted open interest of Shanghai tin increased from 53,905 lots to 57,275 lots. Tin prices fluctuated, and the open interest increased slightly [54].

Report Industry Investment Rating No relevant content provided. Core Viewpoints of the Report - In April, tin prices fluctuated extremely in the first half - month and then narrowed in the second half - month. The market focus has shifted to demand. The tin market is treated as a rebound, with strong resistance at 265,000 - 270,000 yuan. The medium - and long - term trend will be pressured by supply easing and consumption concerns, and short - selling is the main strategy. In May, tin prices will mainly complete the right - shoulder shock pattern, with obvious resistance above and a possible downward shift in the lower trading low [18]. Summary by Relevant Catalogs 1. Fundamental Information 1.1 Tin Concentrate Supply - Myanmar's Wa State promotes the resumption of production at the Manxiang Mine. The new mining license fee standard has increased significantly, which may put pressure on low - altitude mines and small and medium - sized concentrators, while large enterprises have an advantage [1]. - Alphamin's Bisie mine in Congo (Kinshasa) has resumed tin production, which accounts for about 6% of the world's annual tin production [2]. - Xingye Yinxi's wholly - owned subsidiary, Yinman Mining, resumed production on April 16 after a safety accident in March [2]. - Malaysia Smelting Corporation (MSC) temporarily suspended production due to a gas pipeline explosion on April 1. In 2024, its refined tin output was 16,300 tons, and this event may cause delays in tin metal delivery [3]. - In March 2025, China's tin ore imports remained at a low level. The import volume of tin ore and concentrates was 8,322.55 tons, a year - on - year decrease of 64% and a month - on - month decrease of 4.8%. From January to March, the cumulative import volume was 26,900 tons, a cumulative year - on - year decrease of 55% [4]. 1.2 Refined Tin Production and Import - Export Trends - In March, Mysteel's survey of 20 domestic tin smelters showed that the refined tin output was 14,590 tons, a month - on - month increase of 2.92% and a year - on - year decrease of 5.96%. From January to March, the cumulative output was 43,600 tons, a cumulative year - on - year increase of 4.7%. In April, the planned output is expected to be 14,000 tons, a month - on - month decrease of 4% [5]. - In March, Indonesia's tin ingot exports returned to the high - level range of last year, with 5,780.14 tons exported, a year - on - year increase of 49.8% [5]. - In March, China's tin ingot imports increased, exports decreased, and net imports turned positive. The import volume of unforged non - alloy tin was 2,094 tons, a month - on - month increase of 12.02% and a year - on - year increase of 145.67%. The export volume was 1,673 tons, a month - on - month decrease of 29.51% and a year - on - year increase of 12.99%. In March, the net import of refined tin was 421 tons, and the cumulative net import in the first quarter was 119 tons [6]. - In the first quarter, Yunnan Tin Company's net profit was 499 million yuan, a year - on - year increase of 53.08%. It is expected to produce 90,000 tons of tin products, 125,000 tons of copper products, 131,600 tons of zinc products, and 102.3 tons of indium ingots in 2025, with a budgeted operating income of 46.5 billion yuan [6]. 1.3 Consumption and Balance - The Yunnan Provincial Grain and Material Reserves Bureau and Yunnan Tin Group signed a tin and indium metal reserve agreement to jointly promote the establishment of a "Yunnan model" for non - ferrous metal reserves [7]. - According to WBMS, in February 2025, the global refined tin supply had a surplus of 1,100 tons. From January to February, there was a supply shortage of 2,500 tons. In February, the global tin ore output was 25,600 tons, and from January to February, it was 51,200 tons [8]. 2. Weekly Report Trends 2.1 April 7 - **Price Trend**: After the earthquake in Myanmar, the Wa State postponed the early - April resumption investment conference. Driven by funds, the tin market rose, with LME tin reaching a maximum of $38,395 and SHFE tin weighted index hitting 299,700 yuan. However, affected by the US - China tariff risk, LME tin gave back all its gains and closed at $35,000 [9]. - **Upstream Supply**: Malaysia Smelting Group suspended production due to a gas pipeline accident. The processing fee of 40% tin concentrate in Yunnan was concentrated at 11,000 yuan/ton, and smelters' raw material inventories were at a low level. Attention should be paid to the production schedule of domestic smelters in April and the resumption news from the Wa State [9]. - **Downstream Consumption**: Due to the high price, point - pricing by tin - related downstream enterprises above 290,000 yuan basically stopped. Domestic SMM tin social inventory increased to 12,000 tons, while LME tin inventory dropped to 2,990 tons. The risk of a short squeeze increased, but it was difficult in the short term [9]. - **Outlook**: The global tin market has many supply - related topics, but current consumption is average. It is recommended that downstream enterprises conduct point - pricing below 270,000 yuan. Tin prices are still in a high - level volatile state, and the trend depends on supply changes [10]. 2.2 April 14 - **Price Trend**: In the past two weeks, tin prices fluctuated greatly. Affected by the US - China tariff and Alphamin's resumption of production, LME tin dropped to a minimum of $28,900, and SHFE tin weighted index fell to 236,000 yuan. Then, due to tight domestic tin resources and tariff game, prices rebounded quickly, and SHFE tin oscillated above 260,000 yuan [11]. - **Upstream Supply**: Although tin prices resisted multiple supply - side impacts, the impact of systematic risks on prices was large, indicating that the market focus has shifted to demand. Alphamin is resuming production, and attention should be paid to actual supply changes [12]. - **Downstream Consumption**: Uncertainty in demand increased due to potential US tariffs on the semiconductor industry. Domestic SMM tin social inventory decreased slightly to 11,600 tons, and LME tin inventory increased to 3,140 tons [12]. - **Outlook**: The tin market is treated as a rebound, with resistance at 265,000 - 270,000 yuan. It is recommended to short - sell and wait for supply changes [12]. 2.3 April 21 - **Price Trend**: Although SHFE tin rebounded on Monday, the overall price oscillated, with resistance at 265,000 - 270,000 yuan. LME tin was weaker than SHFE tin, and attention should be paid to its performance at $32,500 [13]. - **Upstream Supply**: The tin market is still in a tight supply situation. In March, domestic tin concentrate imports decreased year - on - year. Domestic smelters' raw material inventories were tight, and it was expected that April's refined tin output might decrease. Yinman Mining resumed production, and Alphamin gave up its 20,000 - ton annual output target [13]. - **Downstream Consumption**: Consumption in the semiconductor industry is highly uncertain. Due to the price fluctuations last week, downstream enterprises replenished their inventories, and steel - linked tin social inventory decreased to 10,600 tons. Attention should be paid to pre - holiday inventory replenishment before May Day [14]. - **Outlook**: The tin market is regarded as a rebound, with resistance at 265,000 - 270,000 yuan. It is recommended to short - sell, and the medium - and long - term trend will be pressured by supply and consumption concerns [14]. 2.4 April 28 - **Price Trend**: Last week, domestic and international tin prices oscillated, with a narrowing fluctuation range. The weekly increase was over 2%. SHFE tin was stronger than LME tin, and SHFE tin weighted index oscillated above the 250 - day moving average, but the overall position decreased significantly. LME tin failed to break through $32,000 [16]. - **Upstream Supply**: In March, domestic tin concentrate imports continued to decline year - on - year. The weekly operating rates of refined tin production in Yunnan and Jiangxi were weak, and it was expected that April's tin output would drop to 14,000 tons. The import window for refined tin opened, and net imports might continue in April. The Wa State promoted the resumption of production, and the new fee standard might promote the large - scale and intensive development of the Manxiang Mine [16]. - **Downstream Consumption**: The global semiconductor consumption index has changed. LME tin inventory slowly decreased to 2,810 tons. Domestic SMM social inventory decreased slightly to 10,413 tons. The market is not optimistic about pre - May Day tin inventory replenishment. South Korea's export data was revised down, and there is high uncertainty in domestic photovoltaic and home appliance production schedules [17]. - **Outlook**: Overseas tin prices are weaker. The tin market is a rebound, and it is recommended to short - sell with resistance at 265,000 - 270,000 yuan. The medium - and long - term trend will be pressured by supply and consumption factors [17]. 3. Conclusions and Outlook - In April, tin prices fluctuated extremely in the first half - month and then narrowed in the second half - month. The market focus has shifted to demand. The tin market is treated as a rebound, with strong resistance at 265,000 - 270,000 yuan. The medium - and long - term trend will be pressured by supply easing and consumption concerns, and short - selling is the main strategy. In May, tin prices will mainly complete the right - shoulder shock pattern, with obvious resistance above and a possible downward shift in the lower trading low [18][19].

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Report Summary 1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - The US is about to impose copper and reciprocal tariffs, which will lead to a general decline in non - ferrous metals. However, the impact on different metals varies. For example, the market for copper will quickly adjust the price difference, and the upward trend of copper prices may be near the end [2]. - The alumina market is expected to be volatile. Although the number of alumina plant overhauls is increasing, the impact on monthly production is limited. There is a possibility of a marginal decline in alumina production capacity from April to May [5][8]. - The aluminum market is supported by strong domestic demand. Despite the expected tariff increase in the US, LME aluminum shows a narrow - range sideways movement. Domestic aluminum processing enterprises'开工 rate is rising, and the demand for aluminum profiles is expected to be boosted [14][17][18]. - The zinc market is in a state of range - bound oscillation. Although there is an expectation of a large increase in zinc ingot supply, the current inventory is relatively low, and domestic consumption is expected to be boosted by policies [21][23]. - The lead market is affected by factors such as high prices of waste batteries and changes in supply and demand. The price of lead is running at a high level, but the profit of secondary lead smelters is shrinking, and there is a certain willingness to reduce production [26][28]. - The nickel market is expected to be strong in the short - term. The price of nickel ore is expected to be firm due to concerns about policies and production shortages. However, in the medium - term, high prices may stimulate over - supply [31][32]. - The stainless - steel market is affected by raw material prices and demand. The price of NPI is relatively high, and the supply of 300 - series stainless steel is still tight, but the upward space is gradually narrowing [38][39]. - The tin market is in a state of high - level wide - range oscillation. The shortage of tin concentrate is intensified, but the possible resumption of production in Wa State may relieve the supply pressure to some extent in the future [44][48]. - The industrial silicon market is expected to decline. The rumor of joint production cuts by industrial silicon manufacturers is false, and the market is in a state of oversupply with weak demand [50][54]. - The polysilicon market is expected to be volatile. Although there is information about production cuts, the overall supply pressure is not large, and the market may be affected by factors such as inventory and demand expectations [56][58]. - The lithium carbonate market is expected to decline. The price of lithium carbonate may continue to fall due to factors such as a decrease in imported ore prices and weak demand [63][64]. 3. Summary by Related Catalogs Copper - **Market Review**: The Shanghai copper 2504 contract closed at 81,980 yuan, up 0.4%, and the open interest of the Shanghai copper index increased by 13,455 lots. The spot price showed different trends in different regions [2]. - **Important Information**: The US may impose copper tariffs soon, and Glencore has suspended copper shipments from its Chilean smelter [2]. - **Logic Analysis**: The US copper tariff will lead to a price adjustment in the market, and the upward trend of copper prices may end. Trend - following long positions should all be liquidated [2]. - **Trading Strategy**: Close long positions for single - side trading, and wait and see for arbitrage and options trading [2]. Alumina - **Market Review**: The alumina 2504 contract rose 34 yuan/ton to 3,090 yuan/ton, and the open interest of the weighted index decreased. The spot price showed different trends in different regions [4]. - **Related Information**: Some alumina plants are undergoing overhauls, and the inventory of alumina on the Shanghai Futures Exchange has increased [5][7]. - **Logic Analysis**: The increase in overhauls has limited impact on monthly production. The price of alumina is expected to be volatile before substantial production cuts [8]. - **Trading Strategy**: For single - side trading, short when the price rebounds after substantial production cuts; wait and see for arbitrage and options trading [9][11]. Electrolytic Aluminum - **Market Review**: The Shanghai aluminum 2504 contract closed at 20,700 yuan/ton, up 55 yuan/ton, and the open interest increased. The spot price showed different trends in different regions [13]. - **Related Information**: The inventory of electrolytic aluminum in the main markets decreased, and a green - power aluminum project in Inner Mongolia is under construction. The carbon - emission trading market is expanding, and the US is considering tariff strategies [14][15]. - **Trading Logic**: The overseas macro - environment is volatile, but domestic demand is strong, which supports the price of aluminum [17][18]. - **Trading Strategy**: For single - side trading, the price of aluminum is expected to be in a high - level range - bound state in the short - term; wait and see for options trading [19]. Zinc - **Market Review**: The Shanghai zinc 2505 contract rose 0.06% to 24,155 yuan/ton, and the open interest of the index increased. The spot market trading sentiment in Shanghai was not high [20]. - **Related Information**: The global zinc market is in a state of supply shortage, and some mining projects are expected to be put into production [21]. - **Logic Analysis**: Although there is an expectation of a large increase in supply, the current low inventory and domestic policies may support consumption, and the price is in a range - bound state [23]. - **Trading Strategy**: For single - side trading, the price may be in a wide - range oscillation in the short - term and bearish in the long - term; wait and see for arbitrage and options trading [24]. Lead - **Market Review**: The Shanghai lead 2505 contract rose 0.48% to 17,615 yuan/ton, and the open interest of the index decreased. The spot market trading was light [25]. - **Related Information**: The global lead market shows a change in supply and demand, and the domestic electric bicycle replacement policy has an impact on consumption [26]. - **Logic Analysis**: The high price of waste batteries leads to a reduction in the profit of secondary lead smelters, but domestic consumption is expected to be boosted [28]. - **Trading Strategy**: For single - side trading, the price of lead is running at a high level due to market sentiment; wait and see for arbitrage and options trading [29]. Nickel - **Market Review**: The Shanghai nickel main contract 2505 rose 700 to 129,670 yuan/ton, and the open interest of the index increased. The spot price of nickel showed different trends [30]. - **Related Information**: The Intercontinental Exchange plans to launch derivatives of cobalt, spodumene, and nickel. The production of an MHP project in Indonesia is affected by floods [31]. - **Logic Analysis**: The price of nickel is expected to be strong in the short - term due to factors such as raw material shortages, but there is limited upward space in the medium - term [32]. - **Trading Strategy**: For single - side trading, take a bearish view when the price rebounds [33]. Stainless Steel - **Market Review**: The main SS2505 contract rose 50 to 13,410 yuan/ton, and the open interest of the index decreased. The spot price of stainless steel is within a certain range [35]. - **Important Information**: A stainless - steel plant has started producing 304 materials, and India is considering a safeguard measure tariff on steel imports [38]. - **Logic Analysis**: The price of raw materials is relatively high, and the supply of 300 - series stainless steel is tight, but the upward space is limited [39]. - **Trading Strategy**: For single - side trading, the bottom of the price is rising, but the upward space is also limited; wait and see for arbitrage trading [40][41]. Tin - **Market Review**: The Shanghai tin 2504 contract closed at 277,650 yuan/ton, up 3460 yuan/ton, and the open interest increased. The spot price of tin rose [43]. - **Related Information**: The production of a tin mine in Congo (Kinshasa) has stopped, and Wa State has issued a document on the resumption of tin mining [44]. - **Logic Analysis**: The shortage of tin concentrate is intensified, but the possible resumption of production in Wa State may relieve the supply pressure in the future, and the price is in a high - level wide - range oscillation [48]. - **Trading Strategy**: For single - side trading, the price of tin is in a high - level oscillation, and attention should be paid to geopolitical risks and the risk of price decline; wait and see for options trading [49]. Industrial Silicon - **Market Review**: The industrial silicon futures main contract closed at 9780 yuan/ton, down 1.31%. The spot price is stable [50]. - **Related Information**: A project of an organic silicon company has been put into production [51]. - **Comprehensive Analysis**: The rumor of joint production cuts is false, and the market is in a state of oversupply with weak demand, and the price may decline [54]. - **Strategy**: For single - side trading, the price may decline after the false rumor of production cuts; no strategy for options and arbitrage trading [55]. Polysilicon - **Market Review**: The polysilicon futures price closed at 43,640 yuan/ton, down 0.26%. The spot price is within a certain range [56]. - **Related Information**: Henan Province has launched a new batch of source - network - load - storage integration projects [57]. - **Comprehensive Analysis**: The overall supply pressure of polysilicon is not large, and the market may be affected by factors such as inventory and demand expectations, and the price may be volatile [58]. - **Strategy**: For single - side trading, go long at low prices; sell out - of - the - money put options; conduct positive arbitrage for PS2506 and PS2511 contracts and reverse arbitrage for PS2511 and PS2512 contracts [59][61]. Lithium Carbonate - **Market Review**: The main 2505 contract rose 520 to 74,480 yuan/ton, and the open interest of the index decreased. The spot price is stable [62]. - **Important Information**: The Intercontinental Exchange plans to launch derivatives, and some lithium - related projects are under construction [63]. - **Logic Analysis**: The price of lithium carbonate may continue to fall due to factors such as a decrease in imported ore prices and weak demand [64]. - **Trading Strategy**: For single - side trading, take a bearish view when the price rebounds; wait and see for arbitrage trading; consider holding 2505 put ratio options [65][67].