硅铁：黑色板块共振，宽幅震荡，锰硅，黑色板块共振，宽幅震荡

1. Report Industry Investment Rating - There is no information about the report industry investment rating in the provided content. 2. Core View of the Report - The silicon iron and manganese silicon in the black sector resonate and experience wide - range fluctuations [1]. - The trend strength of silicon iron is 0, and that of manganese silicon is 0, both indicating a neutral outlook [3]. 3. Summary According to Relevant Catalogs 3.1 Fundamental Tracking - Futures Data: - Silicon iron 2507 has a closing price of 5258, up 62 from the previous trading day, with a trading volume of 122,143 and an open interest of 121,437. - Silicon iron 2509 has a closing price of 5146, up 66, a trading volume of 121,809, and an open interest of 204,082. - Manganese silicon 2506 has a closing price of 5460, up 76, a trading volume of 1,252, and an open interest of 13,118. - Manganese silicon 2509 has a closing price of 5502, up 80, a trading volume of 314,831, and an open interest of 487,679 [1]. - Spot Data: - The price of silicon iron FeSi75 - B in Inner Mongolia is 5200 yuan/ton, down 50. - The price of silicon manganese FeMn65Si17 in Inner Mongolia is 5550 yuan/ton, down 50. - The price of manganese ore Mn44 block is 36.3 yuan/ton - degree, down 0.2. - The price of small - sized semi - coke in Shenmu is 595 yuan/ton [1]. - Price Difference Data: - The spot - futures price difference of silicon iron (spot - 07 futures) is - 58 yuan/ton, down 112. - The spot - futures price difference of manganese silicon (spot - 09 futures) is 48 yuan/ton, down 80. - The near - far month price difference of silicon iron 2507 - 2509 is 112 yuan/ton, down 4. - The near - far month price difference of manganese silicon 2506 - 2509 is - 42 yuan/ton, down 4. - The cross - variety price difference of manganese silicon 2507 - silicon iron 2507 is 228 yuan/ton, up 34. - The cross - variety price difference of manganese silicon 2509 - silicon iron 2509 is 356 yuan/ton, up 14 [1]. 3.2 Macro and Industry News - On June 4th, the price of 72 silicon iron in Shaanxi was 5150 - 5250 yuan/ton (down 50), in Ningxia 5100 - 5200 yuan/ton, in Qinghai 5100 - 5200 yuan/ton (down 100), in Gansu 5200 - 5300 yuan/ton (down 50), and in Inner Mongolia 5200 - 5300 yuan/ton. The price of 75 silicon iron in Shaanxi was 5750 - 5850 yuan/ton, in Ningxia 5750 - 5800 yuan/ton, in Qinghai 5750 - 5800 yuan/ton, in Gansu 5800 - 5850 yuan/ton (down 50), and in Inner Mongolia 5700 - 5800 yuan/ton (down 100). The FOB price of 72 silicon iron was 1000 - 1030 dollars/ton (down 20), and that of 75 was 1090 - 1110 dollars/ton. The opening price of the main futures contract of 6517 silicon manganese was 5456. The northern region had a small number of quotes at 5350 - 5450 yuan/ton, and the southern region, with relatively tight supply, had a small number of quotes at 5450 - 5550 yuan/ton [1]. - Zhongtian Iron and Steel's Changzhou base set the price of silicon manganese at 5615 yuan/ton with an electronic voucher and a procurement volume of 500 tons. Its Nantong base procured 6500 tons of silicon manganese alloy at a price of 5550 yuan/ton (including tax and delivered by bank acceptance). A steel mill in Fujian set the procurement price of 75B silicon iron at 5530 yuan/ton (half - cash), down 200 yuan/ton from the previous round [1].