硅铁：商品情绪共振，偏强震荡

1. Report Industry Investment Rating - No information provided on the industry investment rating 2. Core Viewpoints of the Report - Silicon iron and manganese silicon are expected to experience strong and volatile trends due to the resonance of commodity sentiment [1] 3. Summary by Relevant Catalogs Fundamental Tracking - Futures Data: The closing prices of silicon iron futures contracts 2603 and 2605 are 5736 and 5704 respectively, up 104 and 98 from the previous trading day; the closing prices of manganese silicon futures contracts 2603 and 2605 are 5896 and 5926 respectively, up 94 from the previous trading day. The trading volumes and open interests of each contract are also provided [1] - Spot Data: The price of silicon iron FeSi75 - B in Inner Mongolia is 5330 yuan/ton, up 50; the price of silicon - manganese FeMn65Si17 in Inner Mongolia is 5670 yuan/ton. The prices of manganese ore and semi - coke are also given [1] - Price Difference Data: The spot - futures price differences of silicon iron and manganese silicon are - 406 and - 226 yuan/ton respectively, with corresponding changes. The near - far month price differences and cross - variety price differences are also presented [1] Macro and Industry News - Price Information: On January 29, the prices of different grades of silicon iron and silicon manganese in various regions are reported. The FOB prices of 72 and 75 silicon iron have increased by 10 dollars/ton [1] - Manganese Mine Production: Some manganese mines in South Africa's Kalahari Basin are undergoing safety inspections, with partial production suspension for 1 - 2 weeks. The impact on production is currently limited, and most mines expect normal shipments in March [1][3] - Silicon Iron Production: In January, the silicon iron production in Ningxia, Inner Mongolia, Gansu, and Qinghai regions is reported. The开工 rates in Ningxia, Inner Mongolia, and Gansu have increased, while that in Qinghai has decreased. The production volumes in all regions have decreased compared to December [4] - Tendering and Procurement: Hebei Steel's 75B silicon iron tender volume in February is 2150 tons, a decrease of 1163 tons from January. Several steel mills' procurement prices and volumes of silicon iron and silicon manganese are also announced [5] Trend Intensity - The trend intensity of silicon iron is 0, and that of manganese silicon is 0 [6]