光期黑色：铁矿石基差及价差监测日报-20251111

1. Report Information - Report Title: "Guangqi Black: Iron Ore Basis and Spread Monitoring Daily Report" [1] - Report Date: November 11, 2025 [1] 2. Futures Contract Price and Spread 2.1 Futures Contract Price - I05 closed at 742.0 yuan/ton today, up 2.0 yuan from the previous day [3] - I09 closed at 722.0 yuan/ton today, unchanged from the previous day [3] - I01 closed at 765.0 yuan/ton today, up 4.5 yuan from the previous day [3] 2.2 Futures Contract Spread - The spread between I05 and I09 was 20.0 yuan/ton today, up 2.0 yuan from the previous day [3] - The spread between I09 and I01 was -43.0 yuan/ton today, down 4.5 yuan from the previous day [3] - The spread between I01 and I05 was 23.0 yuan/ton today, up 2.5 yuan from the previous day [3] 3. Basis Data 3.1 Basis Data of Different Iron Ore Varieties - For example, the basis of Carajás fines was 71 yuan/ton today, down 5 yuan from the previous day [5] - The basis of BRBF was 78 yuan/ton today, down 2 yuan from the previous day [5] 3.2 Changes in Basis - Most varieties showed a decrease in basis compared to the previous day, while the basis of Wugang Standard fines increased by 1 yuan [5] 4. Changes in Deliverable Brands and Rules 4.1 Addition of Deliverable Brands - Four new deliverable varieties (Benxi Iron Concentrate, IOC6, KUMBA, Ukrainian Iron Concentrate) were added starting from the I2202 contract, with a brand premium of 0 [10] - Four more brands (Taigang Iron Concentrate, Magang Iron Concentrate, Wugang Standard fines, SP10 fines) were added as deliverable brands, with a brand premium of 0 [10] 4.2 Adjustment of Brand Premiums - Only PB fines, BRBF, and Carajás fines have a brand premium of 15 yuan/ton, while the rest of the deliverable brands have a brand premium of 0 yuan/ton [10] 4.3 Adjustment of Substitute Quality Differences and Premiums - The allowable range of iron grade was adjusted to ≥56%, and the allowable ranges of silica, alumina, phosphorus, and sulfur were set [10] - An X value was introduced to dynamically adjust the premium of iron element indicators, with different calculation methods based on the average settlement price of the nearest delivery month contract [10] 5. Variety Spread 5.1 Variety Spread Data - The spread between PB lump and PB fines was 102.0 yuan/ton today, down 5.0 yuan from the previous day [12] - The spread between Carajás fines and Newman fines was 106.0 yuan/ton today, down 2.0 yuan from the previous day [12] 5.2 Variety Spread Changes - Most variety spreads showed a decreasing trend compared to the previous day, while some spreads such as PB fines - Super Special fines increased [12] 6. Research Team Introduction - The black research team includes Qiu Yuecheng, Zhang Xiaojin, Liu Xi, and Zhang Chunjie, each with rich experience and professional qualifications [23]