光期黑色：铁矿石基差及价差监测日报-20250828

Report Overview - Report Title: "Guangda Futures Black: Iron Ore Basis and Spread Monitoring Daily Report" - Date: August 28, 2025 [1] 1. Futures Contract Prices and Spreads 1.1 Futures Contract Prices - I05 closed at 753.5 yuan/ton, down 0.5 yuan from the previous day [3]. - I09 closed at 796.5 yuan/ton, down 0.5 yuan from the previous day [3]. - I01 closed at 775.5 yuan/ton, down 1.0 yuan from the previous day [3]. 1.2 Futures Contract Spreads - The spread between I05 and I09 was -43.0 yuan/ton, unchanged from the previous day [3]. - The spread between I09 and I01 was 21.0 yuan/ton, up 0.5 yuan from the previous day [3]. - The spread between I01 and I05 was 22.0 yuan/ton, down 0.5 yuan from the previous day [3]. 2. Basis Analysis 2.1 Basis Data - For various iron ore varieties such as Carajás fines (Carajás fines: 61 yuan today, up 1 yuan from the previous day), the basis values and their changes are presented. Some varieties like Mac fines had a stable basis, while others like FMG blended fines had a basis increase of 2 yuan [6]. 2.2 Basis Charts - There are charts for different basis benchmarks including Brazilian fines, Australian medium - grade fines, Australian low - grade fines, and domestic ores, etc. [8][9] 3. Policy - related Adjustments of Dalian Commodity Exchange 3.1 Adjustment of Deliverable Varieties - Four new deliverable varieties (Benxi concentrate powder, IOC6, KUMBA, Ukrainian concentrate powder) were added, with brand premiums and discounts of 0, effective from the I2202 contract [11]. - Four more varieties (Taigang concentrate powder, Magang concentrate powder, Minmetals standard powder, SP10 powder) were added as deliverable brands, with brand premiums and discounts of 0, applicable to the I2312 and subsequent contracts [11]. 3.2 Adjustment of Brand Premiums and Discounts - Only PB fines, BRBF, and Carajás fines have a brand premium of 15 yuan/ton, and the premiums and discounts of other deliverable brands are 0 yuan/ton [11]. 3.3 Adjustment of Substitute Quality Differences and Premiums and Discounts - The allowable range of iron grade index was adjusted to ≥56%, and the allowable ranges of silica, alumina, phosphorus, and sulfur were set. The premium and discount regulations for different index intervals were detailed, and a dynamic adjustment mechanism for the premium and discount value of the iron element index (X) was introduced [11]. 4. Variety Spreads 4.1 Variety Spread Data - The spreads between different iron ore varieties such as PB lump - PB fines (145.0 yuan/ton, unchanged), PB fines - blended fines (62.0 yuan/ton, down 1.0 yuan), etc. are presented [13]. 4.2 Variety Spread Charts - There are multiple charts showing different types of variety spreads, including lump - fines spreads, high - medium grade fines spreads, medium - low grade fines spreads, etc. [15][16][18] 5. Research Team Introduction - The black research team of Guangda Futures includes Qiu Yuecheng, Zhang Xiaojin, Liu Xi, and Zhang Chunjie, each with rich experience and professional qualifications in the industry [23]