铁合金周报-宏观情绪主导，合金期现宽幅震荡

Group 1: Silicon Iron Market Analysis - The cost of silicon iron has increased by 50-150 CNY/ton across most production areas, significantly compressing production profits[3] - Current spot prices for 72 silicon iron range from 6200 to 6400 CNY/ton, while 75 silicon iron is priced between 6800 and 7000 CNY/ton[3] - Weekly supply of silicon iron has increased by 2.47%, outpacing a 2.03% increase in demand, leading to a slight widening of the supply-demand gap[12] Group 2: Manganese Silicon Market Insights - Manganese silicon prices are reported at 6100-6200 CNY/ton, with a decrease in steel tender prices from 6600 CNY/ton to 6400-6450 CNY/ton[4] - The profitability of 247 steel mills has risen to 71.43%, a 33.77% increase from the previous period, indicating strong demand for manganese silicon[18] - Manganese ore prices have shown a downward trend, with South32's South African semi-carbonate block reported at 3.7 USD/ton, down 0.3 USD/ton from October[4] Group 3: Inventory and Production Trends - Silicon iron warehouse receipts have decreased by 5660 tons to a total of 44495 tons, indicating a continued reduction in inventory levels[20] - Manganese silicon warehouse receipts have increased by 9020 tons, totaling 634855 tons, suggesting a buildup in inventory despite a slight decrease in production[20] - The average operating rate of independent silicon iron enterprises is reported at 39.06%, with a daily production of 15985 tons, reflecting a slight increase in output[12]