光期黑色：铁矿石基差及价差监测日报-20250806

1. Report Information - Report Title: "光期黑色：铁矿石基差及价差监测日报" - Date: August 6, 2025 [1] 2. Core Viewpoints - The report provides daily monitoring data on iron ore basis and spreads, including futures contract prices, spreads between different contracts, basis data of various iron ore varieties, and spreads between different iron ore varieties [3][6][13] 3. Summary by Directory 3.1 Futures Contract Prices and Spreads - Futures contract prices: I05 closed at 754.5 yuan/ton, up 12.0 yuan from the previous day; I09 closed at 798.5 yuan/ton, up 8.0 yuan; I01 closed at 778.0 yuan/ton, up 12.0 yuan [3] - Contract spreads: The spread between I05 - I09 was -44.0 yuan/ton, up 4.0 yuan; I09 - I01 was 20.5 yuan/ton, down 4.0 yuan; I01 - I05 was 23.5 yuan/ton, unchanged [3] 3.2 Basis Data - Price changes: The prices of most iron ore varieties increased slightly, with the price of卡拉拉精粉 rising by 10.0 yuan/ton, and the prices of河钢精粉,鞍钢精粉,本钢精粉,太钢精粉, and马钢精粉 remaining unchanged [6] - Basis changes: The basis of most varieties decreased, with the basis of河钢精粉,鞍钢精粉,本钢精粉,太钢精粉, and马钢精粉 decreasing significantly [6] 3.3 Variety Spreads - Spread changes: The spread between PB块 - PB粉 was 146.0 yuan/ton, up 1.0 yuan; PB粉 - 混合粉 was 78.0 yuan/ton, up 2.0 yuan; PB粉 - 超特粉 was 128.0 yuan/ton, up 1.0 yuan [13] 3.4 Exchange Rule Adjustments - Newly added deliverable varieties: 4 varieties including本钢精粉, IOC6, KUMBA, and乌克兰精粉 were added, and 4 varieties including太钢精粉,马钢精粉,五矿标准粉, and SP10粉 were also added [11] - Brand premium adjustments: Only PB粉, BRBF, and卡拉加斯粉 have a brand premium of 15 yuan/ton, and the rest are 0 yuan/ton [11] - Quality difference and premium adjustments: The allowable range of iron grade indicators was adjusted, and a dynamic adjustment mechanism for iron element premium was introduced [11]