光期黑色：铁矿石基差及价差监测日报-20260304

1. Report Industry Investment Rating - No information provided in the report. 2. Core Viewpoints of the Report - The report is a daily monitoring report on the basis and spread of iron ore futures, presenting the price changes, spreads, and basis data of different iron ore varieties and futures contracts on March 4, 2026 [2][6]. 3. Summary by Relevant Catalogs 3.1 Futures Contract Price and Spread - The closing prices of I05, I09, and I01 contracts decreased by 1.0, 0.5, and 2.0 respectively compared to the previous day [2]. - The spreads of I05 - I09, I09 - I01, and I01 - I05 changed by -0.5, 1.5, and -1.0 respectively compared to the previous day [2]. 3.2 Basis Data - The prices of most iron ore varieties decreased compared to the previous day, with FMG mixed powder decreasing by 5.0 and super special powder decreasing by 3.0 [6]. - The basis of most varieties remained unchanged or changed slightly, with the basis of FMG mixed powder decreasing by 4 and that of super special powder decreasing by 2 [6]. 3.3 Adjustment of Deliverable Brands - Four new deliverable varieties (Benxi Iron Concentrate, IOC6, KUMBA, and Ukrainian Iron Concentrate) were added, with a brand premium of 0, starting from the I2202 contract [13]. - The brand premiums of PB powder, BRBF, and Carajas powder were adjusted to 15 yuan/ton, and the premiums of other deliverable brands were 0 yuan/ton [13]. - The allowable range of iron grade and the quality premiums and discounts of substitute products were modified, and the dynamic adjustment mechanism of iron element index premiums was introduced [13]. - Four new deliverable brands (Taigang Iron Concentrate, Magang Iron Concentrate, Minmetals Standard Powder, and SP10 Powder) were added, with a brand premium of 0 yuan/ton, applicable to the I2312 and subsequent contracts [13]. 3.4 Variety Spread - The spreads of PB block - PB powder and Newman block - Newman powder increased by 2.0 compared to the previous day [15]. - The spreads of PB powder - mixed powder and PB powder - super special powder increased by 4.0 and 2.0 respectively compared to the previous day [15]. - The spreads of mixed powder - super special powder decreased by 2.0 compared to the previous day [15].