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]

Group 1: Report Industry Investment Rating - There is no information about the report industry investment rating in the provided content. Group 2: Report's Core View - The domestic liquid caustic soda market had fair transactions today, with prices in most regions remaining stable. The price of 50% liquid caustic soda in Shandong rose steadily, while the price of 48% liquid caustic soda in Jiangsu decreased. Chlor - alkali enterprises in Shandong had good shipments and low inventory pressure. Due to some enterprises having low loads or undergoing maintenance, the price of 32% liquid caustic soda remained stable, and the price of 50% liquid caustic soda rose steadily. Demand in Jiangsu was average, and the price of high - concentration caustic soda decreased slightly. The mainstream transaction price of 32% ion - membrane caustic soda in Shandong was 820 - 865 yuan/ton, and the local large - scale alumina factory's purchase price was 750 yuan/ton. The mainstream transaction price of 50% ion - membrane caustic soda in Shandong was 1270 - 1350 yuan/ton, remaining stable compared to the previous working day. The PVC price in Shandong increased by 30 yuan, and the futures主力 contract's closing price increased by 10. With intense long - short game, it is recommended to continue to stay on the sidelines. [1] Group 3: Summary by Relevant Catalogs 1. Product Price Changes - **Raw Salt**: Prices in Shandong, Jiangsu, and the Northwest remained unchanged at 200, 250, and 200 respectively [1]. - **Calcium Carbide**: The price in Inner Mongolia decreased by 15 to 2325, while the price in Shandong remained at 2780 [1]. - **Liquid Chlorine**: Prices in Shandong, Jiangsu, and the Northwest changed to - 100, - 50, and - 600 respectively, with increases of 100, 30, and 0 [1]. - **32% Liquid Caustic Soda**: Prices in Shandong, Jiangsu, and other regions remained stable at 800, 890, etc. [1]. - **50% Liquid Caustic Soda**: Prices in Shandong, Jiangsu, and other regions remained stable at 1300, 1400, etc. [1]. - **Caustic Soda Flakes**: Prices in Shandong, Inner Mongolia, the Southwest, etc. remained unchanged [1]. - **PVC**: The price in Shandong increased by 30 to 4830, and the price in Inner Mongolia remained at 4580 [1]. - **Futures and Related Indicators**: The futures主力 contract's closing price increased by 10 to 2502, and the basis in Shandong and Jiangsu decreased by 10 [1]. 2. Price Spreads - **50% Caustic Soda - 32% Caustic Soda Spread**: Remained at 100 in Shandong [1]. - **Caustic Soda Flakes - 50% Caustic Soda Spread**: Remained at 625 in Shandong [1]. - **Regional Spreads of 50% Caustic Soda and Caustic Soda Flakes**: Remained unchanged in various regions [1]. 3. Profits and Electricity Prices - **Chlor - Alkali Profits**: In Shandong, it increased by 100 to - 165, and in the Northwest, it increased by 20 to 818 [1]. - **Electricity Prices**: Remained unchanged in Shandong and Inner Mongolia at 0.75 and 0.5 respectively [1].

1. Report Industry Investment Rating - No information provided 2. Core Viewpoints of the Report - This week, the high - sulfur cracking of Singapore 380cst rebounded, the near - month spread rebounded, and the EW spread continued to rebound. The 9 - 10 spread rebounded to $5.5/ton, the basis oscillated at a low level (-$5), and the FU01 internal - external spread strengthened slightly to $2.5. The 0.5 cracking of Singapore oscillated and continued to weaken, the 9 - 10 spread rebounded slightly to $3.75/ton, and the LU11 internal - external spread oscillated around $8. [3][4] - This week, Singapore's on - land inventory increased significantly, reaching the highest level in the same period of history. Floating storage increased month - on - month. Saudi Arabia's shipments were at a historical high in the same period, arrivals rebounded this week, UAE's shipments rebounded significantly month - on - month, and net exports increased significantly. [4] - The divergence between the East and the West of high - sulfur fuel oil continued. The current price difference has triggered logistics changes. In the heavy - quality pattern, the cracking of Singapore 380cst is the weakest, and the premium of heavy - quality crude oil is the strongest. It is expected to return in both directions later. [4] - This week, the weakening of LU was realized, the spot price of the external MF0.5 weakened slightly, and the valuation was realized. Pay attention to the subsequent release of LU quotas. Pay attention to the opportunity of the widening of the high - sulfur 380 EW spread, and exit the short - term short allocation of LU. [4] 3. Summary by Relevant Data Rotterdam Fuel Oil Swap Data - From August 6th to 12th, 2025, the price of Rotterdam 3.5% HSF O swap M1 decreased from $411.10 to $394.34, a decrease of $6.98; the price of Rotterdam 0.5% VLS FO swap M1 decreased from $464.89 to $451.49, a decrease of $3.11. [1] Singapore Fuel Oil Swap Data - From August 6th to 12th, 2025, the price of Singapore 380cst M1 decreased from $413.20 to $395.15, a decrease of $2.51; the price of Singapore VLSFO M1 decreased from $494.45 to $478.30, a decrease of $3.32. [1][6] Singapore Fuel Oil Spot Data - From August 6th to 12th, 2025, the FOB price of 380cst increased from $406.83 to $396.64, an increase of $4.91; the FOB price of VLSFO increased from $495.11 to $483.55, an increase of $1.88. [2] Domestic FU Data - From August 6th to 12th, 2025, the price of FU 01 increased from 2859 to 2800, an increase of 19; the price of FU 05 increased from 2818 to 2770, an increase of 23. [2] Domestic LU Data - From August 6th to 12th, 2025, the price of LU 01 increased from 3496 to 3457, an increase of 39; the price of LU 05 increased from 3437 to 3417, an increase of 25. [3]

Group 1: Report Industry Investment Rating - No information provided Group 2: Core Viewpoint of the Report - The basis is strong, the futures valuation is low, and there is no fundamental driving force. The overall market is expected to fluctuate mainly [1] Group 3: Summary Based on Relevant Catalogs 1. Price and Data Changes - From August 6 - 12, 2025, the prices of South China LPG, East China LPG, and Shandong LPG showed a downward trend, with the Shandong LPG price dropping by 60 yuan on August 12 compared to the previous day; the propane CFR South China price increased by 5 dollars, and the propane CIF Japan price decreased by 4 dollars. The CP forecast contract price increased by 1 dollar, and the paper import profit decreased by 35 yuan, while the main basis decreased by 27 yuan [1] - On Tuesday, the cheapest deliverable was South China civil LPG at 4360 yuan. FEI and CP increased, PP fluctuated, the production profit of PP made from FEI and CP deteriorated, but the CP production cost was lower than that of FEI. The PG futures strengthened, and the monthly spread decreased, with the latest 09 - 10 spread at - 481 (-7). The US - to - Far - East arbitrage window was closed [1] - The spot price center moved down, with the cheapest deliverable being South China civil LPG at 4380 yuan. The PG futures weakened. The basis strengthened to 606 (+161). The inter - month reverse spread continued to strengthen, with the 9 - 10 monthly spread at 478 (-39). The warrant registration volume was 10179 lots (+420), with Qingdao Yunda decreasing by 35 lots and Wuzhong Dahua increasing by 455 lots [1] - Internationally, the market fundamentals were loose, FEI and CP fluctuated, and MB weakened. The oil - gas price ratio in North Asia and the Middle East decreased, while that in North America increased slightly. The internal - external price difference decreased significantly, with PG - CP at 9.3 (-21) and PG - FEI at - 2.5 (-16). The US - Asia arbitrage window opened. The freight from the US Gulf to Japan was 148 (+16), and that from the Middle East to the Far East was 85 (+11) [1] 2. Weekly Outlook - The waiting time for VLGCs at the Panama Canal increased, possibly due to the peak of container ship arrivals from the previous China - US tariff rush, but it is expected to decrease as the container ship shipments have passed the peak. The FEI - MOPJ spread narrowed significantly to - 38 (+15) [1] - The naphtha crack spread strengthened. The PDH spot profit weakened, while the paper profit continued to improve. The production gross profit of alkylated oil decreased. The MTBE gas - separation etherification gross profit increased slightly, and the isomerization etherification gross profit decreased slightly [1] - Fundamentally, the unloading volume increased, port inventories rose, factory inventories decreased by 0.51%, and the commodity volume increased by 0.57%. The PDH operating rate was 73.84% (+1.21 pct), with Tianjin Bohua resuming operation and Jiangsu Ruiheng restarting, but Binhuausing a fault to stop production for an expected 20 days. Wanda Tianhong is expected to restart next week [1]

Report Summary 1. Investment Ratings No investment ratings are provided in the reports. 2. Core Views - **Sugar**: Short - term, it's difficult for raw sugar prices to fall below previous lows, but the overall trend is bearish. Zhengzhou sugar may rebound but will remain bearish due to increased imports and weak demand [3]. - **Corn**: In the short - term, the corn market has average trading, with a weak sentiment and the futures price will oscillate at a low level. In the long - term, the futures price may decline due to lower costs and increased supply [5]. - **Meal**: Hold long positions in the 01 contract of rapeseed meal. Domestic soybean and meal inventories are rising, and short - term supply is high, which suppresses the spot price [10]. - **Pig**: Spot pig prices are weakly oscillating, and short - term prices are not optimistic. The far - month 01 contract has support but also faces hedging pressure [13]. - **Cotton**: Short - term, domestic cotton prices may oscillate within a range. After new cotton is on the market, prices will face pressure [17]. - **Egg**: Egg futures are still bearish, but low - price demand may support prices, while high supply may limit the increase [21]. 3. Summary by Industry 3.1 Oil and Fat Industry - **Soybean Oil**: The spot price in Jiangsu increased by 0.70% to 8670 on August 12. The basis of Y2601 increased by 18.18% [1]. - **Palm Oil**: The spot price in Guangdong increased by 3.12% to 9260. The basis of P2509 increased by 57.14%. The import profit decreased by 254.50% [1]. - **Rapeseed Oil**: The spot price in Jiangsu increased by 1.24% to 9760. The basis of OI601 decreased by 180.77% [1]. 3.2 Sugar Industry - **Futures Market**: The prices of SR2601 and SR2509 increased by 0.63% and 0.49% respectively. The open interest of the main contract decreased by 0.19%, and the number of warehouse receipts decreased by 2.12% [3]. - **Spot Market**: The price in Nanning remained unchanged. The basis decreased. The import price of Brazilian sugar increased [3]. - **Industry Situation**: National sugar production and sales increased by 12.03% and 23.07% respectively year - on - year. Industrial inventory decreased [3]. 3.3 Corn Industry - **Corn**: The price in Jinzhou Port decreased slightly. The 9 - 1 spread decreased by 9.46%. The number of vehicles at Shandong deep - processing plants increased by 25.25% [5]. - **Corn Starch**: The price of CS2509 increased by 0.11%. The basis decreased by 4.41%. The profit of Shandong starch increased by 9.71% [5]. 3.4 Meal Industry - **Soybean Meal**: The spot price in Jiangsu decreased by 0.34%. The basis of M2601 decreased by 23.77%. The import profit of Brazilian soybeans decreased [10]. - **Rapeseed Meal**: The spot price in Jiangsu decreased by 2.99%. The basis of RM2601 decreased by 100%. The import profit of Canadian rapeseed increased [10]. - **Soybean**: The price of domestic and imported soybeans remained stable. The basis of the main contracts changed [10]. 3.5 Pig Industry - **Futures**: The prices of LH2511 and LH2601 increased by 0.64% and 0.42% respectively. The open interest of the main contract decreased by 2.28% [13]. - **Spot**: Prices in different regions had small fluctuations. The daily slaughter volume remained unchanged [13]. 3.6 Cotton Industry - **Futures Market**: The prices of CF2509 and CF2601 increased by 0.40% and 0.72% respectively. The open interest of the main contract increased by 67.73%, and the number of warehouse receipts decreased by 1.04% [17]. - **Spot Market**: The prices of Xinjiang cotton and related indexes increased slightly. The basis decreased [17]. - **Industry Situation**: Commercial inventory decreased by 13.9%, and industrial inventory increased by 1.8%. Import volume decreased by 25% [17]. 3.7 Egg Industry - **Futures**: The prices of JD09 and JD10 increased by 1.22% and 0.41% respectively. The 9 - 10 spread increased by 31.03% [20]. - **Spot**: The egg price in the production area remained unchanged. The basis decreased by 25.52% [20]. - **Industry Situation**: The price of egg - laying chicks remained stable, the price of culled hens decreased, and the breeding profit decreased significantly [20][21].

Report Industry Investment Rating - No relevant information provided Core Viewpoints - No clear core viewpoints presented in the reports Summary by Relevant Catalogs Futures Spread Report - **Stock Index Futures** - IC期现价差最新值为 -75.56，较前一日变化 17.40，历史 1 年分位数 17.60%，全历史分位数 7.00% [1] - IM期现价差最新值为 -80.01，较前一日变化 12.73，历史 1 年分位数 90.00%，全历史分位数 18.00% [1] - IF跨期价差、IH跨期价差、IN跨期价差等各合约价差有不同程度变化及分位数情况 [1] - 跨品种比值如 IC/IF 为 1.5353，较前一日变化 0.0008，历史 1 年分位数 99.50%，全历史分位数 82.90% 等 [1] - **Treasury Bond Futures** - TS基差最新值为 1.1662，较前一日变化 0.0396，上市以来百分位数 9.10% [2] - TF基差最新值为 1.4695，较前一日变化 0.0230，上市以来百分位数 36.90% [2] - TL基差最新值为 2.5075，较前一日变化 0.0575，上市以来百分位数 86.00% [2] - 各品种跨期价差和跨品种价差有不同程度变化及分位数情况 [2] Precious Metals Report - **Domestic Futures** - AU2510合约 8 月 12 日收盘价 776.04 元/克，较前一日跌 3.44 元，跌幅 0.44% [5] - AG2510合约 8 月 12 日收盘价 9187 元/千克，较前一日跌 23 元，跌幅 0.25% [5] - **Foreign Futures** - COMEX黄金主力合约 8 月 12 日收盘价 3393.70，较前一日跌 64.50，跌幅 1.87% [5] - COMEX白银主力合约 8 月 12 日收盘价 37.65 美元/盎司，较前一日跌 0.86，跌幅 2.25% [5] - **Spot Prices** - 伦敦金 8 月 12 日价格 3347.64，较前一日涨 5.89，涨幅 0.18% [5] - 伦敦银 8 月 12 日价格 37.89 美元/盎司，较前一日涨 0.31，涨幅 0.81% [5] - **Basis** - 黄金 TD - 沪金主力现值 -2.87，较前值涨 0.75，历史 1 年分位数 29.70% [5] - 白银 TD - 沪银主力现值 -24，较前值涨 13，历史 1 年分位数 47.70% [5] - **Price Ratios** - COMEX 金/银现值 90.15，较前一日涨 0.35，涨幅 0.39% [5] - 上期所金/银现值 84.47，较前一日跌 0.16，跌幅 0.19% [5] - **Interest Rates and Exchange Rates** - 10 年期美债收益率现值 4.29，较前值涨 0.02，涨幅 0.5% [5] - 2 年期美债收益率现值 3.72，较前值跌 0.04，跌幅 1.1% [5] - 美元指数现值 98.07，较前值跌 0.43 [5] - 离岸人民币汇率现值 7.1856，较前值跌 0.0107，跌幅 0.44% [5] - **Inventory and Positions** - 上期所黄金库存现值 36045 千克，较前值无变化 [5] - 上期所白银库存现值 1151209，较前值跌 753，跌幅 0.07% [5] - COMEX 黄金库存现值 38617003，较前值无变化 [5] - COMEX 白银库存现值 507041876，较前值涨 600095，涨幅 0.12% [5] Container Shipping Report - **Spot Quotes** - MAERSK马士基 8 月 13 日上海 - 欧洲未来 6 周运价参考 2651 美元/FEU，较前一日涨 152，涨幅 6.08% [6] - CMA 达飞 8 月 13 日运价 3199，较前一日涨 9，涨幅 0.28% [6] - MSC 地中海 8 月 13 日运价 2860，较前一日涨 15，涨幅 0.53% [6] - **Container Shipping Index** - SCFIS (欧洲航线) 8 月 11 日结算价指数 2235.48，较 8 月 4 日跌 62.4，跌幅 2.71% [6] - SCFIS (美西航线) 8 月 11 日结算价指数 1082.14，较 8 月 4 日跌 48.0，跌幅 4.25% [6] - SCFI 综合指数 8 月 8 日 1489.68，较 8 月 1 日跌 61.1，跌幅 3.94% [6] - **Futures Prices and Basis** - EC2602 合约 8 月 12 日价格 1528.0，较前一日涨 10.9，涨幅 0.72% [6] - EC2604 合约 8 月 12 日价格 1350.0，较前一日涨 5.1，涨幅 0.38% [6] - 主力合约 EC2508 8 月 12 日价格 2082.0，较前一日涨 2.0，涨幅 0.10% [6] - 基差(主力) 8 月 12 日 753.4，较前一日跌 47.4，跌幅 5.92% [6] - **Fundamental Data** - 全球集装箱运力供给 8 月 13 日 3282.66 万 TEU，较前一日无变化 [6] - 上海港口准班率 7 月 32.58，较上月跌 1.99，跌幅 5.76% [6] - 上海港口挂靠情况 7 月 310.00 个，较上月跌 14.00，跌幅 4.32% [6] - 月度出口金额 7 月 3217.80 亿美元，较上月跌 34.53，跌幅 1.06% [6] Trading Calendar Report - **Overseas Data/Information** - At 0:00, EIA will release the monthly short - term energy outlook report [7] - At 4:30, the API crude oil inventory (in 10,000 barrels) for the week ending August 8 in the US will be announced [7] - At 22:30, the EIA crude oil inventory (in 10,000 barrels) for the week ending August 8 in the US will be announced [7] - **Domestic Data/Information** - In the evening, the weekly production and sales survey of 523 mines by the Steel Union for coking coal will be carried out [7] - At 14:30, Longzhong Information will release the commercial crude oil inventory (in 10,000 tons) at Chinese ports [7] - In the evening, the production - sales ratio of glass and the inventory at the delivery warehouse of soda ash will be concerned [7]

1. Index Trends - On August 11th, the Shanghai Composite Index rose 0.34% to close at 3647.55 points with a trading volume of 751.329 billion yuan; the Shenzhen Component Index rose 1.46% to close at 11291.43 points with a trading volume of 1075.644 billion yuan [1]. - The CSI 1000 Index rose 1.55% with a trading volume of 401.163 billion yuan, opening at 6850.57, closing at 6943.94, with a daily high of 6957.4 and a low of 6850.57 [1]. - The CSI 500 Index rose 1.08% with a trading volume of 277.034 billion yuan, opening at 6335.43, closing at 6391.76, with a daily high of 6404.83 and a low of 6335.43 [1]. - The SSE 300 Index rose 0.43% with a trading volume of 360.686 billion yuan, opening at 4110.29, closing at 4122.51, with a daily high of 4134.25 and a low of 4103.6 [1]. - The SSE 50 Index rose 0.03% with a trading volume of 90.334 billion yuan, opening at 2791.35, closing at 2789.9, with a daily high of 2800.89 and a low of 2783.65 [1]. 2. Impact of Sector Movements on Indexes - The CSI 1000 rose 105.81 points from the previous close, with sectors such as power equipment, electronics, and pharmaceutical biology significantly pulling the index up [2]. - The CSI 500 rose 68.26 points from the previous close, with sectors such as electronics, power equipment, and machinery significantly pulling the index up [2]. - The SSE 300 rose 17.54 points from the previous close, with sectors such as food and beverage, electronics, and power equipment significantly pulling the index up, while the banking sector pulled it down [2]. - The SSE 50 rose 0.73 points from the previous close, with sectors such as food and beverage, non - banking finance, and electronics significantly pulling the index up, while sectors such as petroleum and petrochemicals, non - ferrous metals, and banking pulled it down [2]. 3. Stock Index Futures Basis and Annualized Opening Costs - IM00 average daily basis was - 4.24, IM01 was - 75.76, IM02 was - 265.4, and IM03 was - 447.73 [12]. - IC00 average daily basis was - 6.74, IC01 was - 72.91, IC02 was - 228.99, and IC03 was - 368.34 [12]. - IF00 average daily basis was 0.18, IF01 was - 11.76, IF02 was - 41.12, and IF03 was - 73.78 [12]. - IH00 average daily basis was 0.63, IH01 was 1.52, IH02 was 3.18, and IH03 was 2.99 [12]. 4. Stock Index Futures Rollover Point Differences and Annualized Costs - Data for IM rollover point differences and their annualized costs are presented at different time intervals from 09:45 to 15:00 [24][25]. - Data for IC rollover point differences and their annualized costs are presented at different time intervals from 09:45 to 15:00 [26]. - Data for IF rollover point differences and their annualized costs are presented at different time intervals from 09:45 to 15:00 [27]. - Data for IH rollover point differences and their annualized costs are presented at different time intervals from 09:45 to 15:00 [23].

Report Overview - The report is titled "Guangda Futures Black: Iron Ore Basis and Spread Monitoring Daily Report" dated August 12, 2025, focusing on iron ore futures and related price data [1] 1. Futures Contract Prices and Spreads 1.1 Futures Contract Prices - The closing price of I05 is 768.0 yuan/ton, up 15.0 yuan from the previous day; I09 is 796.5 yuan/ton, up 6.5 yuan; I01 is 789.0 yuan/ton, up 15.5 yuan [3] 1.2 Futures Contract Spreads - The spread of I05 - I09 is -28.5 yuan/ton, up 8.5 yuan; I09 - I01 is 7.5 yuan/ton, down 9.0 yuan; I01 - I05 is 21.0 yuan/ton, up 0.5 yuan [3] 2. Basis Data 2.1 Basis Data Table - For various iron ore varieties, such as Carajás fines (Kafen), its price is 879 yuan/ton today, up 6.0 yuan from the previous day, with a basis of 40 yuan/ton, unchanged from the previous day. Other varieties like BRBF, Newman fines also have corresponding price and basis changes [6] 2.2 Basis Policy Changes - Since December 2, the main iron ore contract is I2205. The number of deliverable varieties has increased by 4, including Bengang concentrate, IOC6, KUMBA, and Ukrainian concentrate, with brand premiums of 0. The brand premiums of existing varieties have been adjusted, and the quality differences and premiums of substitutes have been modified [11] 3. Variety Spreads 3.1 Variety Spread Data - The spread of PB lump - PB fines is 142.0 yuan/ton, down 6.0 yuan; PB fines - FMG mixed fines is 70.0 yuan/ton, down 3.0 yuan. There are also spreads and changes for other variety combinations [13] 4. Research Team Introduction - The black research team includes Qiu Yuecheng, Zhang Xiaojin, Liu Xi, and Zhang Chunjie, each with rich experience and professional titles in the iron ore and related industries [24]

Group 1: Report Industry Investment Rating - No information provided Group 2: Report's Core View - Commodity sentiment has weakened, PTA basis has weakened and trading volume has declined. Domestic PTA production capacity supply has shrunk, and PTA port inventory has decreased. The spread between PX and naphtha has expanded to around $250, while alkyl transfer and TDP profit margins are not optimistic. The spread between PX and MX has remained at around $90. Bottle chips and staple fibers are about to enter the maintenance cycle. The market port inventory has decreased, and polyester replenishment has improved under the weakening basis. The overall polyester inventory is not high, and the polyester load has dropped to 88% [2] Group 3: Summary by Related Catalog Spot Price and Closing Price - PTA spot price increased from 4670 to 4700, with a change of 30; MEG domestic price increased from 4465 to 4484, with a change of 19; PTA closing price increased from 4684 to 4706, with a change of 22; MEG closing price increased from 4384 to 4414, with a change of 30 [2] Short Fiber and Bottle Chip Price - 1.4D direct-spun polyester staple fiber price remained unchanged at 6550; short fiber basis increased from 152 to 155, with a change of 3; 8 - 9 spread decreased from 32 to 28, with a change of 4; polyester staple fiber cash flow increased from 240 to 246, with a change of 6; 1.4D imitation large chemical fiber price remained unchanged at 5700; the spread between 1.4D direct-spun and imitation large chemical fiber remained unchanged at 850; East China water bottle chip price increased from 5918 to 5929, with a change of 11; hot-filled polyester bottle chip price increased from 5918 to 5929, with a change of 11; carbonated polyester bottle chip price increased from 6018 to 6029, with a change of 11; outer market water bottle chip price remained unchanged at 775; bottle chip spot processing fee decreased from 429 to 408, with a change of -21.02 [2] Yarn Price and Processing Fee - T32S pure polyester yarn price remained unchanged at 10300; T32S pure polyester yarn processing fee remained unchanged at 3750; polyester-cotton yarn 65/35 45S price remained unchanged at 16300; cotton 328 price increased from 14860 to 14900, with a change of 40; polyester-cotton yarn profit decreased from 1340 to 1325, with a change of -15.12; primary three-dimensional hollow (with silicon) price remained unchanged at 7060; hollow staple fiber 6 - 15D cash flow decreased from 371 to 339, with a change of -32.02; primary low-melting staple fiber price remained unchanged at 7330 [2] Operating Rate and Sales Ratio - Direct-spun staple fiber load (weekly) decreased from 92.30% to 93.00%, with a change of -0.01; polyester staple fiber sales ratio increased from 56.00% to 57.00%, with a change of 1.00%; polyester yarn operating rate (weekly) decreased from 65.00% to 66.00%, with a change of -0.01; recycled cotton-type load index (weekly) decreased from 51.50% to 46.00%, with a change of -0.06 [3]

Report Industry Investment Rating - No relevant information provided Core View - Pure benzene port inventory has decreased again due to a slowdown in Chinese arrivals and upcoming Korean aromatics maintenance in August - September, with limited subsequent inventory accumulation but still existing inventory pressure. For styrene, port inventory has entered a seasonal decline cycle, but downstream demand improvement is limited [3] Summary by Directory 1. Basis Structure and Inter - Period Spreads of Pure Benzene and EB - Pure benzene: The main basis is - 115 yuan/ton (- 26), and the spread between East China pure benzene spot and M2 is 0 yuan/ton (+ 5). Near - month BZ paper cargo - distal BZ2603 spread and BZ2603 - BZ2605 inter - period spread are recommended for reverse arbitrage when high [1][4] - Styrene: The main basis is 55 yuan/ton (- 5), and the EB2509 - 2510 inter - period spread is recommended for reverse arbitrage when high [1][4] 2. Production Profits and Internal - External Spreads of Pure Benzene and Styrene - Pure benzene: CFR China processing fee is 177 dollars/ton (- 3), FOB Korea processing fee is 163 dollars/ton (- 4), and the US - Korea spread is 83.8 dollars/ton (+ 4) [1] - Styrene: Non - integrated production profit is - 306 yuan/ton (+ 8), expected to gradually compress, and the EB - BZ spread is recommended to be shorted when high [1][4] 3. Inventory and Operating Rates of Pure Benzene and Styrene - Pure benzene: Port inventory is 14.60 tons (- 1.70), and the operating rate is not provided in the given text [1] - Styrene: East China port inventory is 148,800 tons (- 10,200), East China commercial inventory is 69,500 tons (+ 3,000), and the operating rate is 77.7% (- 1.2) [1] 4. Operating Rates and Production Profits of Styrene Downstream - EPS: Production profit is 218 yuan/ton (- 10), and the operating rate is 43.67% (- 10.58) - PS: Production profit is - 52 yuan/ton (- 30), and the operating rate is 55.00% (+ 1.70) - ABS: Production profit is 100 yuan/ton (- 23), and the operating rate is 71.10% (+ 5.20) [2] 5. Operating Rates and Production Profits of Pure Benzene Downstream - Caprolactam: Production profit is - 1715 yuan/ton (- 25), and the operating rate is 88.41% (- 1.79) - Phenol - acetone: Production profit is - 672 yuan/ton (+ 0), and the operating rate is 77.00% (+ 4.00) - Aniline: Production profit is 101 yuan/ton (+ 261), and the operating rate is 73.46% (- 0.48) - Adipic acid: Production profit is - 1504 yuan/ton (+ 0), and the operating rate is 54.40% (- 10.40) [1]