光期黑色：铁矿石基差及价差监测日报-20250919

Report Overview - Report Title: "光期黑色：铁矿石基差及价差监测日报" - Date: September 19, 2025 - Report Type: Daily monitoring report on iron ore basis and spreads 1. Futures Contract Prices and Spreads 1.1 Futures Contract Prices - I05 closed at 778.5 yuan/ton, down 4.0 yuan from the previous day [3]. - I09 closed at 759.0 yuan/ton, down 4.5 yuan from the previous day [3]. - I01 closed at 800.0 yuan/ton, down 4.5 yuan from the previous day [3]. 1.2 Contract Spreads - The spread between I05 and I09 was 19.5 yuan/ton, up 0.5 yuan from the previous day [3]. - The spread between I09 and I01 was -41.0 yuan/ton, unchanged from the previous day [3]. - The spread between I01 and I05 was 21.5 yuan/ton, down 0.5 yuan from the previous day [3]. 2. Basis Analysis 2.1 Basis Data - The basis of various iron ore varieties showed different changes. For example, the basis of FMG mixed powder increased by 7 yuan to 88 yuan/ton, while the basis of five - mine standard powder decreased by 2 yuan to 44 yuan/ton [5]. 2.2 Basis Charts - Charts for different basis targets such as Brazilian powder ore, Australian medium - grade powder ore, Australian low - grade powder ore, and domestic ore were presented [7][8][9]. 3. Adjustment of Deliverable Brands and Rules - Four new deliverable varieties (Benxi Concentrate, IOC6, KUMBA, Ukrainian Concentrate) were added with a brand premium of 0, effective from the I2202 contract [10]. - The brand premiums of existing varieties were adjusted. Only PB powder, BRBF, and Carajas powder have a brand premium of 15 yuan/ton, and the rest are 0 yuan/ton [10]. - The allowable range of iron grade and other element indicators for substitutes was adjusted, and a dynamic adjustment mechanism for the premium of iron element indicators was introduced [10]. - Four new deliverable brands (Taigang Concentrate, Magang Concentrate, Five - mine Standard Powder, SP10 Powder) were added, and their brand premiums are 0 yuan/ton [10]. 4. Variety Spreads 4.1 Variety Spread Data - For example, the spread between PB block and PB powder increased by 3 yuan to 134 yuan/ton, while the spread between PB powder and mixed powder decreased by 5 yuan to 37 yuan/ton [12]. 4.2 Variety Spread Charts - Charts for different types of variety spreads such as block - powder spreads, high - medium grade powder ore spreads, and others were provided [13][14][15][17][19]