硅铁：市场信息扰动，宽幅震荡，锰硅：市场信息扰动，宽幅震荡

Group 1: Report Title and Date - The report is titled "Manganese Silicon: Market Information Disturbance, Wide - Range Fluctuations" and was published on August 6, 2025 [1] Group 2: Fundamentals Tracking Futures - Silicon iron futures: SiFe2509 closed at 5716 with a change of 42 from the previous trading day, trading volume was 220,383 and open interest was 145,226; SiFe2510 closed at 5704 with a change of 42, trading volume was 43,826 and open interest was 54,273 [1] - Manganese silicon futures: MnSi2509 closed at 6018 with a change of 46, trading volume was 283,346 and open interest was 254,120; MnSi2510 closed at 6026 with a change of 50, trading volume was 25,921 and open interest was 40,146 [1] Spot - Silicon iron spot price in Inner Mongolia (FeSi75 - B) was 5400 yuan/ton; silicon manganese spot price in Inner Mongolia (FeMn65Si17) was 5800 yuan/ton, up 80 yuan/ton from the previous day; manganese ore (Mn44 block) was 40.0 yuan/ton - degree, down 0.5 yuan/ton - degree; and semi - coke (small material) in Shenmu was 620 yuan/ton [1] Price Spreads - Silicon iron (spot - 09 futures) spread was - 316 yuan/ton, down 42 yuan/ton; manganese silicon (spot - 09 futures) spread was - 218 yuan/ton, up 34 yuan/ton [1] - Silicon iron 2509 - 2601 spread was - 140 yuan/ton, up 2 yuan/ton; manganese silicon 2509 - 2601 spread was - 92 yuan/ton, down 6 yuan/ton [1] - Manganese silicon 2509 - silicon iron 2509 spread was 302 yuan/ton, up 4 yuan/ton; manganese silicon 2601 - silicon iron 2601 spread was 254 yuan/ton, up 12 yuan/ton [1] Group 3: Macro and Industry News - On August 5, silicon iron 72 prices in different regions had some declines: in Shaanxi it was 5300 - 5500 yuan/ton (- 100), in Inner Mongolia it was 5450 - 5500 yuan/ton (- 50). Silicon iron 75 also had price drops in various regions. Silicon manganese 6517 had northern quotes of 5800 - 5900 yuan/ton (- 50) and southern quotes of 5850 - 5950 yuan/ton (- 50) [2] - A steel mill in Shandong set the silicon manganese price at 6100 yuan/ton (acceptance, tax - included, delivered to the factory) with a purchase volume of 2500 tons. Steel mills in Guangdong and Jiangxi set their silicon manganese prices at 6050 yuan/ton and 6100 yuan/ton respectively (acceptance, tax - included, delivered to the factory, based on standard) [2] - In July, the electricity price for silicon iron production was stable with some increases. In Ningxia, it was between 0.35 - 0.41 yuan/kWh, with a few increasing by 1 - 3 cents and most remaining flat. In Haidou, Qinghai, the off - peak price was 0.37 - 0.38 yuan/kWh, up 3 - 4 cents. The price of semi - coke increased, shifting the cost center of silicon iron upwards [3] - NMT announced the September 2025 shipment price of manganese ore to China. The South African block with a minimum of 36% Mn was quoted at 4.05 US dollars/ton - degree, up 0.15 US dollars/ton - degree from the previous month [5] - On August 4, the Ningxia Manganese - Based Alloy Industry High - Quality Development Conference was held in Pingluo County, Ningxia. It decided to establish working groups for supply, sales, technical quality, trade futures, supervision, legal affairs, and policy coordination, aiming to create a "Ningxia Model" for the manganese - based alloy industry [5] Group 4: Trend Intensity - The trend intensity of silicon iron is 0, and that of manganese silicon is also 0. The trend intensity ranges from - 2 (most bearish) to 2 (most bullish), with 0 indicating neutral [4]