硅铁：市场多空情绪持续博弈，价格震荡；锰硅：市场多空情绪持续博弈，价格震荡

Group 1: Investment Ratings - No investment ratings are provided in the report Group 2: Core Views - The market sentiment for silicon iron and manganese silicon is a continuous game between bulls and bears, and their prices are oscillating [1] Group 3: Summary by Catalog 1. Fundamental Tracking - Futures Data: The closing prices of silicon iron 2605 and 2607 are 5888 and 6002 respectively, down 34 and 44 from the previous trading day; the closing prices of manganese silicon 2605 and 2607 are 6176 and 6204 respectively, up 14 from the previous trading day. The trading volumes and open interests are also provided [1] - Spot Data: The prices of silicon iron FeSi75 - B in Inner Mongolia, silicon manganese FeMn65Si17 in Inner Mongolia, manganese ore Mn44 block, and semi - coke small material in Shenmu are 5580 yuan/ton, 5900 yuan/ton, 44.5 yuan/ton - degree, and 695 yuan/ton respectively [1] - Price Spreads: The spot - futures spreads, near - far month spreads, and cross - variety spreads for silicon iron and manganese silicon are presented, with specific values and changes compared to the previous trading day [1] 2. Macro and Industry News - Price Information: On March 13, the prices of 72 and 75 silicon iron in different regions and the FOB prices are provided, along with the prices of silicon manganese 6517 in the north and south [1] - Production News: A silicon iron plant in Ulanqab resumed production of 2 45000kva silicon iron furnaces this week [3] - Procurement News: River Steel's 75B silicon iron inquiry price in March is 5850 yuan/ton, up 90 yuan/ton from February, with a quantity of 1155 tons, down 995 tons from February. Various steel mills' procurement prices and quantities of silicon iron and silicon manganese in March are also reported [3] 3. Trend Intensity - The trend intensity of silicon iron is 0, and that of manganese silicon is also 0 [3]