硅铁：多空情绪博弈，宽幅震荡，锰硅：多空情绪博弈，宽幅震荡

1. Report's Industry Investment Rating - Not provided in the given content 2. Core Viewpoints of the Report - The silicon iron and manganese silicon markets are in a state of long - short sentiment game and wide - range fluctuations [1] - The trend intensity of silicon iron and manganese silicon is 0 [4] 3. Summary by Relevant Catalogs 3.1 Fundamental Tracking - Futures Data: The closing price of silicon iron 2603 is 5546, up 64 from the previous trading day, with a trading volume of 270,107 and an open interest of 251,350; silicon iron 2605 has a closing price of 5502, up 58, a trading volume of 19,577, and an open interest of 57,770. The closing price of manganese silicon 2603 is 5758, up 22, with a trading volume of 130,766 and an open interest of 276,107; manganese silicon 2605 has a closing price of 5796, up 20, a trading volume of 52,680, and an open interest of 163,270 [1] - Spot Data: The price of silicon iron FeSi75 - B in Inner Mongolia is 5200 yuan/ton; the price of silicon manganese FeMn65Si17 in Inner Mongolia is 5540 yuan/ton; the price of manganese ore Mn44 block is 43.0 yuan/ton degree; the price of semi - coke small material in Shenmu is 800 yuan/ton [1] - Price Difference Data: The spot - 03 futures price difference of silicon iron is - 346 yuan/ton, down 64; that of manganese silicon is - 218 yuan/ton, down 22. The near - far month price difference of silicon iron 2603 - 2605 is 44 yuan/ton, up 6; that of manganese silicon 2603 - 2605 is - 38 yuan/ton, up 2. The cross - variety price difference of manganese silicon 2603 - silicon iron 2603 is 212 yuan/ton, down 42; that of manganese silicon 2605 - silicon iron 2605 is 294 yuan/ton, down 38 [1] 3.2 Macro and Industry News - Product Price Information: On December 17, the price of 72 silicon iron in Shaanxi was 5050 - 5150 yuan/ton, in Ningxia 5200 - 5250 yuan/ton, in Qinghai 5100 - 5200 yuan/ton, in Gansu 5150 - 5250 yuan/ton (down 50), and in Inner Mongolia 5200 yuan/ton. The price of 75 silicon iron in Shaanxi was 5600 - 5700 yuan/ton, in Ningxia 5550 - 5600 yuan/ton, in Qinghai 5600 yuan/ton, in Gansu 5550 - 5600 yuan/ton, and in Inner Mongolia 5600 - 5650 yuan/ton. The FOB price of 72 silicon iron was 1020 - 1040 dollars/ton (down 10), and that of 75 was 1090 - 1120 dollars/ton (down 20~ - 10). The northern quotation of 6517 silicon manganese was 5500 - 5600 yuan/ton, and the southern quotation was 5600 - 5700 yuan/ton [2] - Production Adjustment Information: On December 17, a silicon iron plant in Baotou, Inner Mongolia, overhauled a 45000kva silicon iron furnace, reducing the daily output by about 120 tons. Two 72 silicon iron furnaces of a large factory in Gansu started to switch production, one to low - aluminum silicon iron and one to 97 silicon. A silicon iron plant in Zhongwei, Ningxia, planned to shut down 4 silicon iron furnaces on December 12 at 12:00, with an expected daily production reduction of about 350 tons. Qinghai Jinfeng planned to shut down 2 silicon iron furnaces on December 16, reducing the daily output by 70 - 80 tons [2][3] - Manganese Ore Price Information: UMK announced the quotation of manganese ore for China in January 2026: Mn36% South African lump was 4.15 dollars/ton degree, up 0.05 dollars/ton degree month - on - month. NMT announced the shipping price of manganese ore for China in January 2026, and the Mn36% (minimum) South African lump was reported at 4.15 dollars/ton degree, up 0.05 dollars/ton degree month - on - month [4] - Steel Mill Procurement Information: A steel mill in Zhejiang set the standard price of silicon manganese at 5716 yuan/ton (discount - based acceptance, tax - included, delivered to the factory), down 23 yuan/ton, and purchased 1200 tons. Zhongtian Iron and Steel in Changzhou finalized the purchase price of 75B silicon iron at 5710 yuan/ton, up 22 yuan/ton from the previous round, with a volume of 300 tons. Jianlong Iron and Steel's silicon manganese tender prices in December were 5670 yuan/ton in Shanxi (purchasing 2600 tons), 5670 yuan/ton in Chengde (purchasing 2800 tons), 5820 yuan/ton in Jilin (purchasing 1200 tons), 5870 yuan/ton in Heilongjiang (purchasing 10800 tons), and 5770 yuan/ton in Fushun (purchasing 5300 tons). A steel mill in Jiangsu set the standard price of silicon manganese in December at 5750 yuan/ton (acceptance, tax - included, delivered to the factory), up 20 yuan/ton from November [4]