Group 1: Report Information - Report Title: Asphalt Report [2] - Research Team: Research Center's Energy and Chemicals Team [3] - Report Date: September 3, 2025 [3] Group 2: Futures Contract Data - **Prices**: On September 2, BU主力合约 was at 3551, up 11 from the previous day and 39 from the previous week; BU06 was at 3457, up 27 daily and 85 weekly; BU09 was at 3543, down 4 daily and 2 weekly; BU12 was at 3492, up 26 daily and 60 weekly; BU03 was at 3468, up 38 daily and 74 weekly [4] - **Volume and Open Interest**: On September 2, the trading volume was 349,892, up 12,718 from the previous day and 92,337 from the previous week; the open interest was 491,894, up 35,556 daily and 80,407 weekly [4] - **Combined Positions**: On September 2, the combined positions were 29,790, unchanged from the previous day and down 1,150 from the previous week [4] Group 3: Spot Market Data - **Market Prices**: On September 2, the Shandong market price was 3,540, up 30 from the previous day and 20 from the previous week; the East China market price was 3,700, up 10 daily and 50 weekly; the South China market price was 3,530, up 10 daily and 50 weekly; the North China market price was 3,650, up 10 daily and unchanged weekly; the Northeast market price was 3,870, unchanged daily and down 10 weekly [4] - **Enterprise Prices**: On September 2, Jingbo (Haiyun) was at 3,670, up 10 from the previous day and down 10 from the previous week; Xinhai (Xin Bohai) was at 3,650, up 10 daily and unchanged weekly [4] - **Regional Price Differences**: On September 2, Shandong - East China was -160, up 30 from the previous day and 40 from the previous week; Shandong - Northeast was -330, up 30 daily and 30 weekly; East China - South China was 170, down 10 daily and 70 weekly [4] Group 4: Basis and Calendar Spread Data - **Basis**: On September 2, the Shandong basis was -11, up 19 from the previous day and down 19 from the previous week; the East China basis was 149, down 11 daily and 20 weekly; the South China basis was -21, down 1 daily and up 11 weekly [4] - **Calendar Spreads**: On September 2, 03 - 06 was 11, up 11 from the previous day and down 11 from the previous week; 06 - 09 was -86, up 31 daily and 87 weekly; 09 - 12 was 51, down 30 daily and 62 weekly; 12 - 03 was 24, down 12 daily and 14 weekly; the first - second contract spread was 8, down 10 daily and 21 weekly [4] Group 5: Crack Spread and Profit Data - **Crack Spreads**: On September 2, the asphalt - Brent crack spread was -8, up 28 from the previous day and down 11 from the previous week [4] - **Profits**: On September 2, the asphalt - Ma Rui profit was -75, up 25 from the previous day and down 11 from the previous week; the ordinary refinery's comprehensive profit was 361, up 21 daily and down 55 weekly; the Ma Rui - type refinery's comprehensive profit was 656, up 25 daily and down 34 weekly; the import profit (South Korea - East China) was -52, up 75 daily and 74 weekly; the import profit (Singapore - South China) was -919, up 86 daily and 141 weekly [4] Group 6: Related Price Data - **Crude Oil**: On September 2, Brent crude oil was at 68.2, unchanged from the previous day and up 0.9 from the previous week [4] - **Refined Products**: On September 2, the Shandong market price of gasoline was 7,525, up 8 from the previous day and down 93 from the previous week; the Shandong market price of diesel was 6,441, up 52 daily and down 35 weekly; the Shandong market price of residual oil was 3,252, down 25 daily and 110 weekly [4]

Report Summary 1. Report Industry Investment Rating No relevant content provided. 2. Report's Core View No relevant content provided. 3. Summary by Relevant Catalog Futures Contract Prices and Changes - On August 29, the BU main - contract price was 3507, with a daily change of - 10 and a weekly change of 42 [4]. - The price of BU06 was 3399, with a daily change of 26 and a weekly change of 57 [4]. - The price of BU09 was 3219, with a daily change of - 10 and a weekly change of 23 [4]. - The price of BU12 was 3433, with a daily change of 6 and a weekly change of 60 [4]. - The price of BU03 was 3408, with a daily change of 14 and a weekly change of 68 [4]. Trading Volume and Open Interest - On August 29, the trading volume was 300820, with a daily increase of 11812 and a weekly increase of 105903 [4]. - The open interest was 428349, with a daily increase of 21525 and a weekly increase of 4336 [4]. Spot Market Prices - The Shandong market price on August 29 was 3510, with no daily change and no weekly change [4]. - The East - China market price was 3700, with no daily change and a weekly decrease of 20 [4]. - The South - China market price was 3500, with no daily change and a weekly increase of 10 [4]. - The North - China market price was 3650, with a daily decrease of 20 and a weekly decrease of 10 [4]. - The Northeast market price was 3870, with no daily change and a weekly decrease of 10 [4]. Basis and Calendar Spread - The Shandong basis on August 29 was 3, with a daily increase of 10 and a weekly decrease of 42 [4]. - The East - China basis was 193, with a daily increase of 10 and a weekly decrease of 62 [4]. - The South - China basis was - 7, with a daily increase of 10 and a weekly decrease of 32 [4]. - The 03 - 06 spread was 9, with a daily decrease of 12 and a weekly increase of 11 [4]. - The 06 - 09 spread was - 120, with a daily increase of 36 and a weekly increase of 34 [4]. - The 09 - 12 spread was 86, with a daily decrease of 16 and a weekly decrease of 37 [4]. - The 12 - 03 spread was 25, with a daily decrease of 8 and a weekly decrease of 8 [4]. - The continuous first - continuous second spread was 18, with a daily decrease of 16 and a weekly decrease of 24 [4]. Crack Spread and Profit - The asphalt Brent crack spread on August 27 was 7 [4]. - The asphalt MRE profit on August 27 was - 62 [4]. - The ordinary refinery comprehensive profit on August 28 was 380 [4]. - The MRE - type refinery comprehensive profit on August 27 was 690 [4]. - The import profit (South Korea - East China) on August 29 was - 127, with no daily change and a weekly increase of 4 [4]. - The import profit (Singapore - South China) on August 29 was - 1023, with no daily change and a weekly increase of 35 [4]. Related Prices - The Brent crude oil price on August 28 was 68.1 [4]. - The Shandong market price of gasoline on August 29 was 7592, with a daily decrease of 1 and a weekly decrease of 63 [4]. - The Shandong market price of diesel on August 29 was 6466, with no daily change and a weekly decrease of 50 [4]. - The Shandong market price of residue on August 29 was 3620, with no daily change and a weekly decrease of 40 [4].

Report Summary 1. Report Industry Investment Rating - Not provided in the given content 2. Core View - Not provided in the given content 3. Summary According to Relevant Catalogs Futures Contracts - The prices of BU主力合约, BU06, BU09, BU12, and BU03 on August 27 were 3471, 3353, 3495, 3399, and 3372 respectively, with daily changes of -52, -42, -53, -50, and -32, and weekly changes of 18, 39, 5, 42, and 51 [4]. - The trading volume on August 27 was 300106, with a daily increase of 31801 and a weekly increase of 82759. The open interest was 380429, with a daily decrease of 14421 and a weekly decrease of 47930 [4]. - The contract quantity on August 27 was 29790, unchanged from the previous day and a decrease of 1350 compared to the previous week [4]. Spot Market - The market prices of asphalt in Shandong, East China, South China, North China, and Northeast China on August 27 were 3520, 3700, 3500, 3670, and 3880 respectively, with daily changes of -20, -20, 10, -10, and 0, and weekly changes of -30, -20, -10, -10, and 0 [4]. - The prices of Jingbo (Haiyun) and Luohai (Xin Bohai) on August 27 were both 3680 and 3670 respectively, with daily changes of 0 and -10, and weekly changes of 10 and -10 [4]. Basis and Calendar Spread - The basis of Shandong, East China, and South China on August 27 were 49, 229, and 29 respectively, with daily changes of 32, 32, and 62, and weekly changes of -48, -38, and -28 [4]. - The calendar spreads of 03 - 06, 06 - 09, 09 - 12, and 12 - 03 on August 27 were 19, -142, 113, and 27 respectively, with daily changes of 10, 11, -3, and -18, and weekly changes of 12, 34, -37, and -9 [4]. - The spread between consecutive contracts (连一 - 连二) on August 27 was 28, with a daily increase of 2 and a weekly decrease of 16 [4]. Crack Spread and Profit - The asphalt Brent crack spread on July 29 was -90, and on August 19 it was 16, with subsequent data unavailable [4]. - The asphalt Marrow profit on July 29 was -150, and on August 19 it was -23, with subsequent data unavailable [4]. - The comprehensive profit of ordinary refineries on July 29 was 393, and on August 19 it was 462, with subsequent data unavailable [4]. - The comprehensive profit of Marrow - type refineries on July 29 was 647, and on August 19 it was 721, with subsequent data unavailable [4]. - The import profit of South Korea - East China on August 27 was -138, with a daily decrease of 16 and a weekly decrease of 4. The import profit of Singapore - South China on August 27 was -1036, with a daily increase of 11 and a weekly increase of 7 [4]. Related Prices - The price of Brent crude oil on August 27 was 67.2, with a daily decrease of 1.6 and a weekly increase of 0.4 [4]. - The market prices of gasoline, diesel, and residual oil in Shandong on August 27 were 7599, 6474, and 3620 respectively, with daily changes of -28, -27, and -15, and weekly changes of -80, -57, and -40 [4].

Report Summary 1. Report Industry Investment Rating No information provided. 2. Core Viewpoint No information provided. 3. Summary by Relevant Catalogs Futures Contracts - The closing prices of BU main contract, BU06, BU09, BU12, and BU03 on August 26 were 3523, 3392, 3548, 3449, and 3404 respectively, with daily changes of 11, 23, 3, 17, and 10, and weekly changes of 50, 70, 49, 72, and 62 [4]. - The trading volume on August 26 was 268305, with a daily increase of 10750 and a weekly increase of 7679; the open - interest was 394850, with a daily decrease of 16637 and a weekly decrease of 37043; the inventory was 29790, with a daily decrease of 1150 and a weekly decrease of 1350 [4]. Market Prices - The market prices in Shandong, East China, South China, North China, and Northeast China on August 26 were 3540, 3720, 3490, 3680, and 3880 respectively. The daily changes were 20, 0, 10, 30, and 0, and the weekly changes were - 40, - 10, - 30, 0, and 0 [4]. - The spot prices of Jingbo (Haiyun) and Luhai (Xinbohai) on August 26 were 3680 and 3680 respectively, with daily changes of 0 and 30, and weekly changes of 10 and 0 [4]. Basis and Calendar Spreads - The basis in Shandong, East China, and South China on August 26 were 17, 197, and - 33 respectively, with daily changes of 9, - 11, and - 1, and weekly changes of - 90, - 60, and - 80 [4]. - The calendar spreads of 03 - 06, 06 - 09, 09 - 12, 12 - 03, and consecutive first - consecutive second on August 26 were 9, - 153, 113, 45, and 26 respectively, with daily changes of - 13, 20, - 14, 7, and - 3, and weekly changes of - 8, 21, - 23, 10, and - 18 [4]. Crack Spreads and Profits - The asphalt Brent crack spread on July 28 was - 1, and on August 18 was 69; the asphalt Marrow profit on July 28 was - 70, and on August 18 was - 5; the ordinary refinery comprehensive profit on July 28 was 448, and on August 18 was 503; the Marrow - type refinery comprehensive profit on July 28 was 711, and on August 18 was 764 [4]. - The import profit from South Korea to East China on August 26 was - 119, with a daily increase of 7 and a weekly increase of 7; the import profit from Singapore to South China on August 26 was - 1044, with a daily increase of 17 and a weekly decrease of 7 [4]. Related Prices - The price of Brent crude oil on August 26 was 68.8, with a daily increase of 1.1 and a weekly increase of 3.0; the gasoline market price in Shandong on August 26 was 7627, with a daily increase of 9 and a weekly decrease of 54; the diesel market price in Shandong on August 26 was 6501, with a daily increase of 25 and a weekly decrease of 17; the residue oil market price in Shandong on August 26 was 3635, with a daily change of 0 and a weekly decrease of 5 [4].

Report Information - Report Title: Asphalt Thick Report [2] - Research Team: Research Center's Energy and Chemicals Team - Report Date: August 26, 2025 [3] Key Data Futures Contract Prices - BU主力合约: 3512 on August 25, up 29 from the previous day and 51 from the previous week [4] - BU06: 3372 on August 25, up 12 from the previous day and 54 from the previous week [4] - BU09: 3545 on August 25, up 29 from the previous day and 48 from the previous week [4] - BU12: 3432 on August 25, up 32 from the previous day and 62 from the previous week [4] - BU03: 3394 on August 25, up 32 from the previous day and 72 from the previous week [4] Trading Volume and Open Interest - Trading volume: 257,555 on August 25, up 46,827 from the previous day and 43,392 from the previous week [4] - Open interest: 411,487 on August 25, down 9,629 from the previous day and 24,832 from the previous week [4] Market Prices - Shandong market price: 3520 on August 25, up 20 from the previous day and down 100 from the previous week [4] - East China market price: 3720 on August 25, unchanged from the previous day and down 10 from the previous week [4] - South China market price: 3480 on August 25, unchanged from the previous day and down 40 from the previous week [4] - North China market price: 3650 on August 25, unchanged from the previous day and down 30 from the previous week [4] - Northeast market price: 3880 on August 25, unchanged from the previous day and the previous week [4] Spot Prices - Jingbo (Haiyun): 3680 on August 25, down 10 from the previous day and up 10 from the previous week [4] - Bihai (Xin Bohai): 3650 on August 25, unchanged from the previous day and down 30 from the previous week [4] Basis and Spread - Shandong - East China basis: -200 on August 25, up 20 from the previous day and down 90 from the previous week [4] - Shandong - Northeast basis: -360 on August 25, up 20 from the previous day and down 100 from the previous week [4] - East China - South China basis: 240 on August 25, unchanged from the previous day and up 30 from the previous week [4] - Shandong basis: 8 on August 25, down 9 from the previous day and down 151 from the previous week [4] - East China basis: 208 on August 25, down 29 from the previous day and down 61 from the previous week [4] - South China basis: -32 on August 25, down 29 from the previous day and down 91 from the previous week [4] - 03 - 06 spread: 22 on August 25, up 20 from the previous day and 18 from the previous week [4] - 06 - 09 spread: -173 on August 25, down 13 from the previous day and up 6 from the previous week [4] - 09 - 12 spread: 113 on August 25, down 7 from the previous day and 14 from the previous week [4] - 12 - 03 spread: 38 on August 25, unchanged from the previous day and down 10 from the previous week [4] - Consecutive first - consecutive second spread: 29 on August 25, down 6 from the previous day and 7 from the previous week [4] Crack Spread and Profit - Asphalt Brent crack spread: Data unavailable after August 15 [4] - Asphalt Mares profit: Data unavailable after August 15 [4] - Ordinary refinery comprehensive profit: 511 on August 15 [4] - Mares - type refinery comprehensive profit: 754 on August 15 [4] - Import profit (South Korea - East China): -126 on August 25, up 3 from the previous day and down 1 from the previous week [4] - Import profit (Singapore - South China): -1061 on August 25, up 4 from the previous day and down 26 from the previous week [4] Related Prices - Brent crude oil: 67.7 on August 25, up 0.1 from the previous day and 1.1 from the previous week [4] - Shandong gasoline market price: 7618 on August 25, down 51 from the previous day and 121 from the previous week [4] - Shandong diesel market price: 6476 on August 25, down 57 from the previous day and 126 from the previous week [4] - Shandong residual oil market price: 3635 on August 25, down 25 from the previous day and 5 from the previous week [4]

Report Summary 1. Report Industry Investment Rating No investment rating information is provided in the content. 2. Core Viewpoints No core viewpoints are presented in the given content. 3. Summary by Relevant Catalogs Futures Contracts - BU主力合约价格从7月23日的3594降至8月21日的3465，日度变化为11，周度变化为 -38 [4] - BU06价格从3391变为3342，日度变化27，周度变化4 [4] - BU09价格从3594变为3496，日度变化3，周度变化 -38 [4] - BU12价格从3460变为3373，日度变化19，周度变化 -33 [4] - BU03价格从3406变为3340，日度变化20，周度变化0 [4] Trading Volume and Open Interest - 成交量从7月23日的300486变为8月21日的194917，日度变化 -27620，周度变化18196 [4] - 持仓量从459411变为424013，日度变化 -5954，周度变化 -20467 [4] - 合计从42950变为30940，日度变化 -200，周度变化 -1100 [4] Market Prices - 山东市场价从3845变为3510，日度变化 -20，周度变化 -130 [4] - 华东市场价从3780变为3720，日度变化0，周度变化 -10 [4] - 华南市场价从3590变为3490，日度变化 -20，周度变化 -40 [4] - 华北市场价从3730变为3660，日度变化 -10，周度变化 -30 [4] - 东北市场价维持3880，日度和周度变化均为0 [4] Spot Prices - 京博 (海韵) 价格维持3670，日度和周度变化均为0 [4] - 露海(鑫渤海) 价格从3730变为3660，日度变化 -10，周度变化 -30 [4] Basis and Calendar Spreads - 山东 - 华东价差从 -90变为 -210，日度变化 -20，周度变化 -120 [4] - 山东 - 东北价差从 -85变为 -370，日度变化 -20，周度变化 -130 [4] - 华东 - 华南价差从190变为230，日度变化20，周度变化30 [4] - 山东基差从251变为45，日度变化 -31，周度变化 -92 [4] - 华东基差从186变为256，日度变化 -11，周度变化28 [4] - 华南基差从 -4变为25，日度变化 -31，周度变化 -2 [4] - 03 - 06月差从15变为 -2，日度变化 -7，周度变化 -4 [4] - 06 - 09月差从 -203变为 -154，日度变化24，周度变化42 [4] - 09 - 12月差从134变为123，日度变化 -16，周度变化 -5 [4] - 12 - 03月差从54变为33，日度变化 -1，周度变化 -33 [4] - 连一 - 连二月差从36变为42，日度变化 -8，周度变化11 [4] Crack Spreads and Profits - 沥青Brent裂差从30变为74（部分数据缺失） [4] - 沥青马瑞利润从 -42变为 -1（部分数据缺失） [4] - 普通炼厂综合利润从447变为496（部分数据缺失） [4] - 马瑞型炼厂综合利润从724变为762（部分数据缺失） [4] - 进口利润(韩国 - 华东) 从 -52变为 -131，日度变化0，周度变化 -5 [4] - 进口利润（新加坡 - 华南）从 -962变为 -1058，日度变化 -18，周度变化 -31 [4] Related Prices - Brent原油价格从68.6变为66.8，日度变化1.1，周度变化0.0 [4] - 汽油山东市场价从7799变为7655，日度变化7，周度变化 -77 [4] - 柴油山东市场价从6562变为6516，日度变化12，周度变化 -46 [4] - 渣油山东市场价维持3660，日度变化0，周度变化30 [4]

Report Overview - Report title: "Asphalt Report" [2] - Research team: Research Center's Energy and Chemicals Team [3] - Report date: August 18, 2025 [3] Core Data Summary Futures Contracts - **Prices**: The prices of various BU contracts (BU主力合约, BU06, BU09, BU12, BU03) decreased from July 17 to August 15. For example, the BU主力合约 dropped from 3628 to 3461, a decrease of 167 points [4]. - **Volume and Open Interest**: Both trading volume and open interest declined. Volume decreased from 255,138 on July 17 to 214,163 on August 15, and open interest dropped from 474,048 to 436,319 [4]. - **Inventory**: Futures inventory decreased from 42,950 on July 17 to 31,640 on August 15 [4]. Spot Market - **Prices**: Spot prices in different regions showed varying trends. For instance, the low - end price in the Shandong market decreased from 3570 to 3520, while the low - end price in the North China market increased from 3660 to 3680 [4]. - **Price Spreads**: The price spreads between regions and contracts also changed. For example, the Shandong - East China spread varied from - 100 to - 80, and the 06 - 09 spread changed from - 244 to - 179 [4]. Margins and Spreads - **Margins**: The asphalt Brent spread and asphalt Marrow profit showed significant fluctuations. The asphalt Marrow profit decreased from - 15 to - 53 from August 7 to August 15 [4]. - **Profits**: The comprehensive profit of ordinary refineries fluctuated between 452 and 532, while the import profit (South Korea - East China) decreased from - 154 to - 239 [4]. Related Prices - **Crude Oil and Refined Products**: Brent crude oil prices fluctuated between 65.6 and 68.5, and the prices of gasoline and diesel in the Shandong market also changed slightly [4].

Report Summary 1. Report Industry Investment Rating No information provided. 2. Core Viewpoints No information provided. 3. Summary by Relevant Catalogs Futures Contract Data - The BU main contract price decreased from 3623 on 7/16 to 3472 on 8/14, a daily change of -31 and an interval change of -57 [4]. - The trading volume increased from 151,019 on 7/16 to 222,526 on 8/14, with a daily increase of 45,805 and an interval increase of 3,002 [4]. - The open interest decreased from 468,408 on 7/16 to 438,140 on 8/14, a daily decrease of 6,340 and an interval decrease of 17,227 [4]. Spot Market Prices - The low - end price in the Shandong market remained at 3,520 on 8/12 - 8/14, with no daily change and an interval decrease of 10 compared to 7/16 [4]. - The low - end price in the East China market decreased from 3,670 on 7/16 to 3,600 on 8/14, a daily decrease of 50 and an interval decrease of 50 [4]. - The low - end price in the North China market was 3,680 on 8/13 - 8/14, with no daily change and an interval increase of 20 compared to 7/16 [4]. Basis and Spread - The Shandong basis increased from - 63 on 7/16 to 48 on 8/14, a daily increase of 31 and an interval increase of 47 [4]. - The 06 - 09 spread increased from - 235 on 7/16 to - 185 on 8/14, a daily increase of 11 and an interval increase of 0 [4]. Crack Spread and Profit - The asphalt Brent crack spread increased from - 38 on 7/16 to 82 on 8/14, a daily increase of 30 and an interval increase of 36 [4]. - The asphalt Ma Rui profit increased from - 102 on 7/16 to 7 on 8/14, a daily increase of 27 and an interval increase of 33 [4]. - The comprehensive profit of ordinary refineries increased from 446 on 7/16 to 533 on 8/14 [4]. Related Prices - Brent crude oil price decreased from 68.7 on 7/16 to 65.6 on 8/14, a daily decrease of 0.5 and an interval decrease of 0.8 [4]. - The Shandong market price of gasoline decreased from 7,810 on 7/16 to 7,715 on 8/14, a daily decrease of 17 and an interval decrease of 12 [4]. - The Shandong market price of diesel decreased from 6,692 on 7/16 to 6,557 on 8/14, a daily decrease of 5 and an interval decrease of 6 [4].

1. Report Industry Investment Rating - Not provided in the content 2. Core View of the Report - Not provided in the content 3. Summary by Relevant Catalogs Futures Contracts - The price of the BU main contract on August 11 was 3481, with a daily change of 3 and a weekly change of -177 [4][13] - The prices of other contracts such as BU06, BU09, BU12, and BU03 also showed different degrees of change [4][13] Trading Volume and Open Interest - On August 11, the trading volume was 239,377, with a daily change of -2359 and a weekly change of 11,788 - The open interest was 449,927, with a daily change of -4667 and a weekly change of -58,198 [4][13] Spot Market Prices - The low - end prices in the Shandong, East China, South China, North China, and Northeast markets showed different degrees of change, with the Shandong market low - end price at 3530 on August 11, down 20 from the previous day and 70 from the previous week [4][13] Basis and Spread - The Shandong basis was 49 on August 11, with a daily change of -23 and a weekly change of 107 - The East China basis was 169, with a daily change of -3 and a weekly change of 157 - For month - to - month spreads like 03 - 06, 06 - 09, etc., they also showed various changes [4][13] Crack Spread and Profit - The asphalt Brent crack spread was 38 on August 11, with a daily change of -29 and a weekly change of 58 - The asphalt Maru profit was -34, with a daily change of -25 and a weekly change of 53 - The comprehensive profit of ordinary refineries was 492, with a daily change of -13 and a weekly change of 69 [4][13] Related Prices - The Shandong market prices of gasoline, diesel, and residue oil also had corresponding changes [5][14]

Report Overview - Report Title: "Asphalt Morning Report" [2] - Research Team: Research Center's Energy and Chemicals Team - Report Date: August 11, 2025 [3] 1. Report Industry Investment Rating - Not provided in the given content 2. Report Core View - Not explicitly stated in the given content 3. Summary by Relevant Catalogs 3.1 Futures Contract Prices - The prices of various BU asphalt futures contracts decreased from July 10 to August 8. For example, the BU main contract dropped from 3629 to 3478, a decrease of 181 [4]. 3.2 Trading Volume and Open Interest - The trading volume increased by 7967 on a daily basis and decreased by 26929 on a weekly basis to 241736 on August 8. The open interest increased by 5075 daily and decreased by 44962 weekly to 454594 [4]. 3.3 Spot Market Prices - Spot prices in different regions showed varying degrees of decline. For instance, the low - end price in the Shandong market decreased by 50 from July 10 to August 8, reaching 3550 [4]. 3.4 Basis and Calendar Spreads - The basis in different regions generally increased. For example, the Shandong basis increased from - 49 to 72, a rise of 131. Calendar spreads such as 06 - 09 and 09 - 12 also showed certain changes [4]. 3.5 Crack Spreads and Profits - The asphalt Brent crack spread increased from - 96 to 67, a rise of 130. The ordinary refinery's comprehensive profit increased from 420 to 506, an increase of 88 [4]. 3.6 Related Prices - Brent crude oil prices decreased from 70.2 to 66.4, a decrease of 3.2. The gasoline and diesel prices in the Shandong market also showed certain fluctuations [4].