沪锡市场周报：矿端扰动需求韧性，预计锡价震荡上涨-20251128

1. Report Industry Investment Rating - No information provided in the report. 2. Core View of the Report - The Shanghai tin market is expected to fluctuate upward, with attention on the resistance levels between 305,000 and 310,000 yuan/ton [5]. 3. Summary by Relevant Catalogs 3.1 Weekly Highlights Summary - Market Review: This week, the main contract of Shanghai tin rose significantly, with a weekly increase of 4.73% and an amplitude of 5.17%. As of the end of this week, the closing price of the main contract was 305,040 yuan/ton [5]. - Market Outlook: - Macro - aspect: The Price Department of the National Development and Reform Commission organized a symposium on the cost determination of disorderly price competition. China's industrial enterprise profits above designated size in October decreased by 5.5% year - on - year, while the manufacturing and power sectors had relatively rapid growth in the first 10 months [5]. - Fundamental - aspect: - Supply: Domestic tin ore imports are still relatively tight, and tin ore processing fees remain at a low level. Although the resumption of production in Myanmar and the end of the rainy season have provided some incremental supply, the overall import volume is still low. The supply disruption in Congo (Kinshasa) has increased supply concerns. The output of refined tin has rebounded, but due to the shortage of tin ore raw materials and low processing fees, the output is expected to be limited [5]. - Import: Indonesia's export volume in October was far lower than expected, and the domestic import is in a loss state, so the import volume of tin is expected to decline [5]. - Demand: Some downstream and terminal enterprises made small - scale replenishment and rigid - demand purchases due to concerns about the continuous rise of tin prices, while others remained on the sidelines. Domestic inventories increased slightly, and the spot premium dropped to - 300 yuan/ton; LME inventories increased slightly, and the spot premium rose [5]. - Technical - aspect: The price rose with increasing volume and positions, and the bullish sentiment heated up [5]. 3.2 Futures and Spot Market - Price Movement: As of November 28, 2025, the closing price of Shanghai tin was 304,060 yuan/ton, up 13,320 yuan/ton or 4.58% from November 21. As of November 27, 2025, the closing price of LME tin was 37,925 US dollars/ton, up 890 US dollars/ton or 2.4% from November 21 [7][10]. - Ratio Changes: As of November 28, 2025, the current ratio of Shanghai tin to Shanghai nickel was 2.57, an increase of 0.02 from November 21. As of November 27, 2025, the Shanghai - London ratio of tin was 7.95, up 0.06 from November 20 [14]. - Position Changes: As of November 28, 2025, the net position of the top 20 in Shanghai tin was - 1,766 lots, a decrease of 79 lots from November 24. The position of Shanghai tin was 99,560 lots, an increase of 20,989 lots or 26.71% from November 21 [18]. 3.3 Industrial Chain Situation Supply - side - Tin Ore Import and Output: In October 2025, the import volume of tin ore concentrates was 11,632.30 tons, a month - on - month increase of 33.5% and a year - on - year decrease of 22.36%. From January to October, the cumulative import volume was 103,019.35 tons, a year - on - year decrease of 25.54%. In October 2025, the output of refined tin was 15,618 tons, a month - on - month increase of 60%. From January to October, the cumulative output was 142,971 tons, a year - on - year decrease of 1.25% [24][25]. - Tin Ore Processing Fee: On November 28, 2025, the processing fee for 60% tin concentrate was 6,500 yuan/ton, unchanged from November 27; the processing fee for 40% tin concentrate was 10,500 yuan/ton, also unchanged from November 27 [30]. - Refined Tin Import: As of November 28, 2025, the import profit and loss of tin was - 6,821.52 yuan/ton, a decrease of 4,802.72 yuan/ton from November 21. In October 2025, the import volume of refined tin was 526.12 million tons, a month - on - month decrease of 58.55% and a year - on - year decrease of 82.75%. From January to October, the cumulative import volume was 19,034.06 million tons, a year - on - year increase of 3.79%. In October 2025, the export volume of refined tin was 1480.43 million tons, a month - on - month decrease of 15.31% and a year - on - year decrease of 4.56%. From January to October, the cumulative export volume was 18,574.61 million tons, a year - on - year increase of 34.44% [35][36]. - Inventory: As of November 27, 2025, the total LME tin inventory was 3,125 tons, an increase of 60 tons or 1.96% from November 20. As of November 28, 2025, the total tin inventory was 6,359 tons, an increase of 130 tons or 2.09% from last week. The tin inventory for futures was 6,263 tons, an increase of 357 tons or 6.04% from November 21 [42]. Demand - side - Semiconductor Index: On November 26, 2025, the Philadelphia Semiconductor Index was 6,899.46, up 229.43 or 3.44% from November 19. From January to October 2025, the output of integrated circuits was 386.6 billion pieces, an increase of 33.60064 billion pieces or 9.52% compared with the same period last year [45]. - Tin - plated Sheet: As of October 2025, the output of tin - plated sheets was 110,000 tons, an increase of 10,000 tons or 10% from September. The export volume of tin - plated sheets was 222,589.82 tons, an increase of 24,965.4 tons or 12.63% from September [48].