光期黑色：铁矿石基差及价差监测日报-20250813

Group 1: General Information - Report title: "Guangqi Black: Iron Ore Basis and Spread Monitoring Daily Report" [1] - Report date: August 13, 2025 [1] Group 2: Futures Contract Information - I05 contract: Today's closing price is 779.5 yuan/ton, up 11.5 yuan/ton from the previous day; I05 - I09 spread is -28.0 yuan/ton, up 0.5 yuan/ton from the previous day [3] - I09 contract: Today's closing price is 807.5 yuan/ton, up 11.0 yuan/ton from the previous day; I09 - I01 spread is 6.5 yuan/ton, down 1.0 yuan/ton from the previous day [3] - I01 contract: Today's closing price is 801.0 yuan/ton, up 12.0 yuan/ton from the previous day; I01 - I05 spread is 21.5 yuan/ton, up 0.5 yuan/ton from the previous day [3] Group 3: Basis Information 3.1 Basis Data - For various iron ore varieties like Carajás fines (Carajás fines: today's price is 888 yuan/ton, up 9.0 yuan/ton from the previous day; today's basis is 45 yuan/ton, up 5 yuan/ton from the previous day), different basis data are presented, with price changes ranging from 0 to 12.0 yuan/ton and basis changes from -5 to 9 yuan/ton [6] 3.2 Basis Chart - There are charts showing basis for different types of iron ore including Brazilian fines, Australian medium - grade fines, Australian low - grade fines, domestic ores, etc. [8][9][10] Group 4: Exchange Rule Adjustments - Since December 2nd, the main contract of iron ore is I2205. Some adjustments are made to the deliverable brands and related rules: 4 new deliverable varieties (Benxi Iron and Steel concentrate powder, IOC6, KUMBA, Ukrainian concentrate powder) are added with brand premium of 0 starting from I2202; brand premiums of some existing varieties are adjusted; quality difference and premium rules for substitutes are modified; 4 more brands (Taigang concentrate powder, Magang concentrate powder, Minmetals standard powder, SP10 powder) are added as deliverable brands with brand premium of 0 [11] - The adjusted deliverable brands and premiums apply to I2312 and subsequent contracts. Starting from the first trading day after the last delivery day of I2311, the exchange will handle the registration of standard warehouse receipts for iron ore futures according to the adjusted rules [12] Group 5: Variety Spread Information 5.1 Variety Spread Data - For example, PB lump - PB fines spread is 142.0 yuan/ton, unchanged from the previous day; PB fines - mixed fines spread is 74.0 yuan/ton, up 4.0 yuan/ton from the previous day, with various spread data presented [13] 5.2 Variety Spread Charts - There are charts showing different types of spreads such as lump - fines spreads, high - medium grade fines spreads, medium - low grade fines spreads, etc. [14][17][21] Group 6: Research Team Information - The black research team includes Qiu Yuecheng, Zhang Xiaojin, Liu Xi, and Zhang Chunjie, with their respective positions, work experience, and qualification numbers introduced [25]