硅铁：板块情绪偏弱，偏弱震荡，锰硅：板块情绪偏弱，偏弱震荡

Report Industry Investment Rating - The investment ratings for the silicon ferroalloy and manganese ferroalloy sectors are both "weak and fluctuating weakly" [1] Core Viewpoints - The sentiment in the silicon ferroalloy and manganese ferroalloy sectors is weak, and the markets are expected to fluctuate weakly [1] Summary by Relevant Catalogs Fundamental Tracking - Futures Contract Data: The closing prices of SiFe2509 and SiFe2510 are 5,754 and 5,732 respectively, up 10 and 8 from the previous trading day; the closing prices of MnSi2509 and MnSi2510 are 6,026 and 6,032 respectively, down 24 and 22 from the previous trading day. Trading volumes and open interests are also provided [1] - Spot Price Data: The price of silicon ferroalloy FeSi75 - B in Inner Mongolia is 5,450 yuan/ton; the price of manganese ferroalloy FeMn65Si17 in Inner Mongolia is 5,800 yuan/ton; the price of manganese ore Mn44 block is 40.2 yuan/ton - degree, down 0.1; the price of small - sized semi - coke in Shenmu is 650 yuan/ton, up 30 [1] - Price Difference Data: The spot - futures price difference of silicon ferroalloy (spot - 09 futures) is - 304 yuan/ton, down 10; the spot - futures price difference of manganese ferroalloy (spot - 09 futures) is - 226 yuan/ton, up 24. Other price differences such as near - far month and cross - variety are also presented [1] Macro and Industry News - Product Price News: On August 15th, the prices of 72 and 75 silicon ferroalloy in different regions and the prices of 6517 silicon manganese in the north and south are reported. The FOB prices of silicon ferroalloy are also given. Multiple steel groups' silicon manganese tender prices and quantities in August are detailed, showing price increases compared to July [2][3] - Production and Inventory News: In July 2025, China's crude steel output was 79.66 million tons, a year - on - year decrease of 4.0%; the daily average crude steel output in July was 2.569 million tons, a month - on - month decrease of 7.4%; from January to July, the crude steel output was 594.47 million tons, a year - on - year decrease of 3.1%. As of August 16th, the total manganese ore inventory was 4.4825 million tons, a month - on - month decrease of 16,500 tons [5] Trend Intensity - The trend intensity of silicon ferroalloy is 0, and the trend intensity of manganese ferroalloy is 0, indicating a neutral trend [4]