Report Overview - **Report Date**: September 16, 2025 [1] - **Report Type**: Coke Daily Report - **Research Team**: Black Team of the Research Center Industry Investment Rating - No industry investment rating is provided in the report. Core Viewpoints - The report presents a comprehensive overview of the coke market, including prices, production, inventory, and market trends. It provides data on various coke types, regions, and market indicators to help investors understand the current state of the coke industry. Detailed Summary Coke Prices - **Regional Prices**: The prices of different types of coke vary by region. For example, the latest price of Shanxi quasi - first wet quenching coke is 1427.78 yuan, with a daily change of - 54.61 yuan, a weekly change of - 108.16 yuan, and a monthly change of - 53.55 yuan, showing a year - on - year decrease of 11.51%. Other regions like Hebei, Shandong, Jiangsu, and Inner Mongolia also have their own price levels and changes [2]. - **Futures Prices**: The futures prices of coke also show different trends. The latest price of the 05 contract is 1809 yuan, with a daily increase of 59.50 yuan, a weekly increase of 65.00 yuan, and a monthly decrease of 8.50 yuan, showing a year - on - year decrease of 4.69%. The 09 contract has a significant increase, with a daily increase of 345.00 yuan [2]. Production and Capacity Utilization - **Blast Furnace and Iron Water**: The blast furnace operating rate is 90.18%, with a weekly increase of 4.39 and a year - on - year increase of 7.87%. The average daily iron water output is 240.55 thousand tons, with a weekly increase of 11.71 thousand tons and a year - on - year increase of 7.69% [2]. - **Coke Production**: The coke daily output is 51.92 thousand tons, with a weekly increase of 0.51 thousand tons and a year - on - year decrease of 3.96%. The coking capacity utilization rate is 72.61%, with a weekly decrease of 0.09 and a year - on - year increase of 4.43% [2]. Inventory - **Coke Inventories**: Coking plant inventory is 43.91 thousand tons, with a weekly increase of 3.20 thousand tons and a year - on - year increase of 0.99%. Port inventory is 205.11 thousand tons, with a weekly increase of 0.05 thousand tons and a year - on - year increase of 8.43%. Steel mill inventory is 633.29 thousand tons, with a weekly increase of 9.58 thousand tons and a year - on - year increase of 16.50%. The steel mill inventory days are 11.29 days, with a weekly decrease of 0.42 days and a year - on - year increase of 4.34% [2]. Market Spreads - **Futures Spreads**: The 5 - 9 spread is - 144.50 yuan, with a daily decrease of 9.00 yuan, a weekly decrease of 16.00 yuan, and a year - on - year decrease of 87.00 yuan. The 9 - 1 spread is - 36.00 yuan, with a significant daily decrease of 285.50 yuan [2]. - **Basis**: The 05 basis is - 80.20 yuan, with a daily decrease of 102.09 yuan, a weekly decrease of 107.59 yuan, and a year - on - year decrease of 105.35 yuan. The 09 basis is - 116.20 yuan, with a large daily decrease of 387.59 yuan [2].

Group 1: Price Performance - London Platinum's latest price is 1399.00 with a change of 7.00 [3] - London Palladium's latest price is 1218.00 with a change of 33.00 [3] - WTI Crude's latest price is 63.30 with a change of 0.61 [3] - LME Copper's latest price is 10081.50 with a change of -38.00 [3] - The latest value of the US Dollar Index is 97.36 with a change of -0.26 [3] - The latest value of Euro to US Dollar is 1.18 with no change [3] - The latest value of Pound to US Dollar is 1.36 with no change [3] - The latest value of US Dollar to Japanese Yen is 147.42 with a change of -0.24 [3] Group 2: Trading Data - The latest inventory of SHFE Silver is 1243.48 with a change of -3.09 [4] - The latest Gold ETF holding is 976.81 with a change of 2.01 [4] - The latest inventory of SGE Silver is 1283.61 with no change [4] - The SGE Silver and Gold deferred fee payment directions are both 1 with no change [4]

Report Industry Investment Rating - Not provided Report's Core View - Not provided Summary by Relevant Catalogs Price and Profit - The report presents the spot prices of various steel products in different regions from September 9th to September 15th, 2025, including Beijing, Shanghai, Chengdu, Xi'an, Guangzhou, and Wuhan for rebar, and Tianjin, Shanghai, and Lecong for hot-rolled and cold-rolled coils, along with the price changes during this period [1]. Production and Inventory - Not provided Basis and Spread - Not provided

Group 1: Report Information - Report Name: Yongan Synthetic Rubber Morning Report [2] - Research Team: Energy and Chemicals Team of the Research Center [2] - Report Date: September 15, 2025 [2] Group 2: BR (Butadiene Rubber) Contract and Market Data - On September 12, the closing price of the main contract was 11,615, a daily decrease of 40 and a weekly decrease of 202 [3] - The position volume of the main contract was 21,059, a daily decrease of 1,184 and a weekly decrease of 12,435 [3] - The trading volume of the main contract was 52,955, a daily decrease of 9,245 and a weekly decrease of 84,362 [3] - The warehouse receipt quantity was 13,670, with no daily change and a weekly increase of 930 [3] - The long - short ratio was 7.70, with no daily change and a weekly decrease of 5 [3] Price and Spread - The Shandong market price was 11,700, a daily decrease of 50 and a weekly decrease of 250 [3] - The Chuanhua market price was 11,550, with no daily change and a weekly decrease of 350 [3] - The Qilu ex - factory price was 11,900, with no daily change and a weekly decrease of 200 [3] - The CFR Northeast Asia price was 1,515, with no daily change and a weekly increase of 15 [3] - The CFR Southeast Asia price was 1,700, with no daily and weekly changes [3] - The spot processing profit was - 114, with a weekly decrease of 21 [3] - The on - disk processing profit was - 199, a daily increase of 11 and a weekly decrease of 366 [3] - The import profit was - 84,597, a daily decrease of 115 and a weekly increase of 1,459 [3] - The export profit was - 35, a daily increase of 50 and a weekly increase of 314 [3] Spread Analysis - The Shun - Ding county spread was 85, a daily decrease of 10 and a weekly increase of 345 [3] - The Shun - Ding basis (two - oil) was 285, a daily increase of 40 and a weekly increase of 335 [3] - The 8 - 9 month spread was 60, a daily decrease of 5 and a weekly decrease of 10 [3] - The 9 - 10 month spread was 60, a daily decrease of 135 and a weekly increase of 20 [3] Group 3: BD (Butadiene) Price and Profit - The Shandong market price was 9,425, a daily decrease of 50 and a weekly decrease of 225 [3] - The Jiangsu market price was 9,200, a daily decrease of 75 and a weekly decrease of 300 [3] - The Yangzi ex - factory price was 9,250, with no daily change and a weekly decrease of 250 [3] - The CFR China price was 1,095, with no daily and weekly changes [3] - The carbon - four extraction profit was 2,041, a daily increase of 44 and a weekly decrease of 167 [3] - The butene oxidative dehydrogenation profit was 36, a daily decrease of 75 and a weekly decrease of 300 [3] - The import profit was 236, a daily decrease of 81 and a weekly decrease of 291 [3] - The export profit was - 852, a daily increase of 70 and a weekly increase of 432 [3] Downstream Profit - The Shun - Ding production profit was - 199, a daily increase of 11 and a weekly decrease of 366 [3] - The styrene - butadiene production profit was 1,113, with no daily change and a weekly decrease of 13 [3] - The ABS production profit data was unavailable on September 12 [3] - The SBS 791 - H production profit was 825, with no daily change and a weekly decrease of 125 [3] Group 4: Variety Spreads Inter - Variety Spreads - The RU - BR spread was - 5,239, a daily increase of 1,099 and a weekly increase of 11,930 [3] - The NR - BR spread was - 8,504, a daily increase of 1,119 and a weekly increase of 11,900 [3] - The Thai mixed - Shun - Ding spread was 3,280, a daily increase of 30 and a weekly decrease of 70 [3] - The 3L - styrene - butadiene spread was 3,050, a daily increase of 50 and no weekly change [3] - The Shun - Ding standard - non - standard price spread was 250, with no daily change and a weekly increase of 50 [3] Intra - Variety Spreads - The styrene - butadiene 1502 - 1712 spread was 1,000, with no daily and weekly changes [3]

1. Report Industry Investment Rating No relevant content provided in the given documents. 2. Core View of the Report - Spot prices are still falling, but the decline is expected to slow down and gradually bottom out in October. The shipping company's Week 39 quote is 1550 - 1650 US dollars (equivalent to 1150 points on the disk). The far - month futures prices have risen significantly, reflecting the expectation of a slower decline and multiple rounds of price increases in the future. The 10 - 12 spread is - 493.1, and the valuation of the December contract is relatively neutral to high. There are multiple upward drivers in the future, so the December contract is cautiously bullish. The Spring Festival in 2026 is relatively late (February 17, 2026), so the settlement price of the February 2026 contract may be higher, and its current valuation is low, with a higher cost - performance ratio for long positions compared to the December contract. To avoid the potential price - cutting risk of shipping companies in October, a long - February 2026/short - April 2026 spread trade can be considered. [1] 3. Summary by Relevant Catalogs 3.1 Futures Market Data - **Contract Prices and Changes**: The closing prices of EC2510, EC2512, EC2602, EC2604, and EC2606 contracts are 1163.1, 1656.2, 1516.9, 1253.9, and 1431.9 respectively, with daily changes of 0.48%, 2.86%, 1.07%, 1.91%, and 1.52%. [1] - **Trading Volume and Open Interest**: The trading volumes of EC2510, EC2512, and EC2602 contracts are 17803, 10786, and 1953 respectively, and the open interests are 47772, 19598, and 6330 respectively, with open interest changes of 161, 39, and 0. [1] - **Month - to - Month Spreads**: The spreads of EC2510 - 2512 and EC2512 - 2602 are - 493.1 and 139.3 respectively, with daily changes of - 40.5 and 29.9, and weekly changes of - 78.9 and - 16.2. [1] 3.2 Spot Market Data - **Spot Price Indexes**: The current spot price index is 1440.24, down 8.06% from the previous period. The SCFI (European Line) is 1154 US dollars/TEU, down 12.24% from the previous period. The CCFI (European Line) is 1537.28 points, down 6.19% from the previous period. The NCFI (European Line) is 729.42 points, down 14.78% from the previous period. [1] 3.3 Recent European Line Quotations - **Week 37**: The average quote is 2100 US dollars (equivalent to 1450 points on the disk). MSK's quote is 1900 US dollars (later increased to 1950), PA's is 2100 - 2150, and OA's is 2100 - 2300. [2] - **Week 38**: The average quote is 1800 US dollars (equivalent to 1260 points on the disk). MSK's quote is 1700 US dollars (later increased to 1760), PA and MSC's are 1800 - 1950, and OA's is 1650 - 2020. [2] - **Week 39**: The average quote is 1550 - 1650 US dollars (equivalent to 1150 points on the disk). MSK's quote is 1500 US dollars (later increased to 1560), PA Alliance's is 1550 - 1600 US dollars, and O4 Alliance's is 1600 - 1720 US dollars. [2]

Report Overview - Report Title: Coking Coal Daily Report - Research Team: Black Team of the Research Center - Report Date: September 16, 2025 [1] Key Points Coal Prices - The latest price of Liulin Main Coking Coal is 1401.00, with no daily change, a weekly decrease of 9.00, a monthly decrease of 3.00, and an annual increase of 0.07% [2] - The latest price of Peak Downs is 201.50, with no daily change, a weekly increase of 2.50, a monthly decrease of 7.00, and an annual increase of 6.00 [2] - The latest price of raw coal at the port delivery price is 950.00, with a daily increase of 15.00, a weekly increase of 20.00, a monthly decrease of 4.00, and an annual decrease of 17.39% [2] Inventory - The total inventory is 3316.37, with a weekly decrease of 89.59, a monthly decrease of 107.20, and an annual decrease of 12.25% [2] - The coal mine inventory is 254.52, with a weekly decrease of 13.56, a monthly decrease of 3.15, and an annual decrease of 17.86% [2] - The port inventory is 275.49, with a weekly increase of 0.14, a monthly decrease of 1.85, and an annual decrease of 31.83% [2] Capacity Utilization and Other Indicators - The coking capacity utilization rate is 75.92, with a weekly increase of 2.78, a monthly increase of 1.58, and an annual increase of 9.74% [2] - The coking coke inventory is 85.93, with a weekly increase of 1.62, a monthly decrease of 0.24, and an annual decrease of 0.26% [2] Futures Market - The latest price of the futures contract 05 is 1264.50, with a daily increase of 44.00, a weekly increase of 38.50, no monthly change, and an annual decrease of 1.10% [2] - The latest price of the futures contract 09 is 1292.00, with a daily increase of 334.00, a weekly increase of 341.50, a monthly increase of 230.00, and an annual increase of 7.00% [2] - The latest price of the futures contract 01 is 1172.00, with a daily increase of 34.50, a weekly increase of 33.00, a monthly decrease of 45.50, and an annual decrease of 7.46% [2]

Report Industry Investment Rating - No relevant content provided Core Viewpoints - No clear core viewpoints are presented in the given text Summary by Related Catalogs Price - For silicon ferroalloy on September 16, 2025, the latest price of Ningxia 72 natural block was 5280 yuan, with a daily change of 30 yuan and a weekly change of 80 yuan; the latest price of Inner Mongolia 72 was 5300 yuan, with a daily change of 20 yuan and a weekly change of 20 yuan; the latest price of Shaanxi 75 was 5950 yuan, with no daily or weekly change. The export price of Tianjin 72 was 1025 US dollars, with no daily or weekly change, and the export price of Tianjin 75 was 1105 US dollars, with a daily change of 5 US dollars and a weekly change of 25 US dollars [2]. - For silicon - manganese alloy on September 16, 2025, the factory - ex price of Inner Mongolia 6517 was 5680 yuan, with a daily change of 30 yuan and no weekly change; the factory - ex price of Ningxia 6517 was 5600 yuan, with no daily change and a weekly change of 50 yuan; the factory - ex price of Guangxi 6517 was 5680 yuan, with a daily change of 30 yuan and no weekly change [2]. Supply - The production data of 136 silicon ferroalloy production enterprises in China from 2021 - 2025 are presented, including monthly and weekly production, capacity utilization rate in different regions such as Inner Mongolia, Ningxia, and Shaanxi, and the production of silicon - manganese alloy in China is also shown from 2021 - 2025 [4][6]. Demand - The demand data of silicon - manganese alloy in China from 2021 - 2025 are provided, including the demand volume (in ten thousand tons) and the procurement volume and price of Hebei Iron and Steel Group [4][6][7]. Inventory - The inventory data of 60 silicon ferroalloy sample enterprises in China from 2021 - 2025 are presented, including weekly inventory in different regions such as Ningxia, Inner Mongolia, and Shaanxi, and the inventory data of silicon - manganese alloy in China from 2021 - 2025 are also shown, including daily and weekly inventory [5][7]. Cost and Profit - The cost - profit data of silicon ferroalloy and silicon - manganese alloy from 2021 - 2025 are provided, including electricity prices in different regions, the market price of semi - coke, production costs, and profits in different regions [5][7].

Report Summary 1) Report Industry Investment Rating No information provided. 2) Core View of the Report The PG main contract oscillated strongly, with the cheapest deliverable being Shandong civil gas at 4500. The basis weakened to 51 (-74), the Oct-Nov spread was 49 (-20), and the Nov-Dec spread was 62 (+3). The external market prices rose, the internal-external price difference decreased slightly, and the US-Asia arbitrage window closed. Freight rates continued to rise, and the naphtha crack spread strengthened. The profit of PDH to PP continued to weaken, and the production margins of alkylated oil and MTBE were low. Inbound shipments decreased, external shipments increased slightly, but demand narrowed, leading to an increase in both port and factory inventories. Chemical demand declined, with the PDH operating rate at 70.49% (-2.61). Shandong is the most cost-effective delivery location, with sufficient supply from inbound resources and declining chemical demand. The overall market is expected to remain weak [1]. 3) Summary by Relevant Catalog Daily Data - **Price Changes**: On 2025/09/15, compared with the previous day, the prices of LPG in East China decreased by 3 to 4504, in Shandong increased by 30 to 4530, and in South China decreased by 10 to 4540. The price of etherified C4 increased by 30 to 4790. The lowest delivery location was Shandong. The internal market rose significantly, with the basis at 15 (-66) and the Oct-Nov spread at 51 (+2). FEI and CP were 558 (+8) and 550 (+4) dollars per ton respectively, with the FEI monthly spread unchanged at -4 and the CP monthly spread unchanged at -10. The arrival cost decreased slightly, with the October arrival prices of propane in East China and South China at 4707 and 4652 respectively [1]. Weekly View - **Contract Performance**: The PG main contract oscillated strongly, with the cheapest deliverable being Shandong civil gas at 4500. The basis weakened to 51 (-74), the Oct-Nov spread was 49 (-20), and the Nov-Dec spread was 62 (+3). There were 13002 (-6) warehouse receipts, with 1 less from Shanghai Yuchi and 5 less from Donghua [1]. - **External Market**: External market prices rose. The FEI monthly spread increased by 1, the MB monthly spread remained unchanged, and the CP monthly spread decreased by 2.5. The internal-external price difference decreased slightly, with PG-CP at 75 (-3), PG-FEI at 67.6 (-9.3), and FEI-CP at 7.5 (+6.5). The US-Asia arbitrage window closed. The AFEI discount was -6.5 (+3), and the CP South China arrival discount was 43 (+0). Freight rates continued to rise, with the latest rates from the US Gulf to Japan at 155 (+11) and from the Middle East to the Far East at 82 (+7). The FEI-MOPJ was -41.5 (-6.5), and the naphtha crack spread strengthened [1]. - **Profit and Demand**: The profit of PDH to PP continued to weaken, and the production margins of alkylated oil and MTBE were low. Inbound shipments decreased, external shipments increased slightly, but demand narrowed, leading to an increase in both port and factory inventories. Chemical demand declined, with the PDH operating rate at 70.49% (-2.61). Hebei Haiwei resumed operations, while Donghua Zhangjiagang and Ningbo Jinfa were under maintenance and shut down, and Binhuaxin Material reduced its load. The operating rates of alkylation and MTBE both decreased [1]. - **Market Outlook**: Shandong is the most cost-effective delivery location, with sufficient supply from inbound resources and declining chemical demand. The overall market is expected to remain weak [1].

1. Report Industry Investment Rating - No relevant information provided 2. Core View of the Report - The report presents cross - market, cross - period, spot - futures, and cross - variety arbitrage tracking data for non - ferrous metals including copper, zinc, aluminum, nickel, lead, and tin on September 16, 2025 [1][3][4] 3. Summary by Related Catalogs Cross - market Arbitrage Tracking - **Copper**: Spot price in China is 80930, LME is 10020, with a ratio of 8.13; March price in China is 80910, LME is 10082, ratio 8.02. Spot import equilibrium ratio is 8.10, profit - 307.15 [1] - **Zinc**: Spot price in China is 22240, LME is 2983, ratio 7.46; March price in China is 22315, LME is 2956, ratio 5.80. Spot import equilibrium ratio is 8.56, profit - 3280.38 [1] - **Aluminum**: Spot price in China is 20950, LME is 2691, ratio 7.78; March price in China is 21025, LME is 2687, ratio 7.82. Spot import equilibrium ratio is 8.37, profit - 1587.60 [1] - **Nickel**: Spot price in China is 121500, LME is 15209, ratio 7.99. Spot import equilibrium ratio is 8.18, profit - 2378.18 [1] - **Lead**: Spot price in China is 17000, LME is 1966, ratio 8.62; March price in China is 17190, LME is 2014, ratio 11.08. Spot import equilibrium ratio is 8.82, profit - 391.22 [3] Cross - period Arbitrage Tracking - **Copper**: Spreads for次月 - 现货月, 三月 - 现货月, 四月 - 现货月, 五月 - 现货月 are - 420, - 450, - 460, - 460 respectively, theoretical spreads are 509, 916, 1331, 1747 [4] - **Zinc**: Spreads for次月 - 现货月, 三月 - 现货月, 四月 - 现货月, 五月 - 现货月 are 60, 65, 80, 100 respectively, theoretical spreads are 214, 335, 455, 575 [4] - **Aluminum**: Spreads for次月 - 现货月, 三月 - 现货月, 四月 - 现货月, 五月 - 现货月 are - 265, - 260, - 285, - 305 respectively, theoretical spreads are 217, 336, 454, 573 [4] - **Lead**: Spreads for次月 - 现货月, 三月 - 现货月, 四月 - 现货月, 五月 - 现货月 are 160, 190, 195, 190 respectively, theoretical spreads are 210, 316, 422, 528 [4] - **Nickel**: Spreads for次月 - 现货月, 三月 - 现货月, 四月 - 现货月, 五月 - 现货月 are 780, 1020, 1180, 1390 respectively [4] - **Tin**: 5 - 1 spread is 420, theoretical spread is 5673 [4] Spot - Futures Arbitrage Tracking - **Copper**: Spreads for当月合约 - 现货 and 次月合约 - 现货 are 450 and 30 respectively [4] - **Zinc**: Spreads for当月合约 - 现货 and 次月合约 - 现货 are 10 and 70 respectively [4][5] - **Lead**: Spreads for当月合约 - 现货 and 次月合约 - 现货 are 0 and 160 respectively [5] Cross - variety Arbitrage Tracking - Ratios for copper/zinc, copper/aluminum, copper/lead, aluminum/zinc, aluminum/lead, lead/zinc are 3.63, 3.85, 4.71, 0.94, 1.22, 0.77 in Shanghai (three - continuous), and 3.42, 3.77, 5.09, 0.91, 1.35, 0.67 in London (three - continuous) [5]

Report Summary 1. Report Industry Investment Rating No investment rating information is provided in the report. 2. Core Viewpoints - For PTA, as the device restarts, the de - stocking slows down. With no unexpected performance from polyester and new production in the future, the long - term inventory build - up is expected. However, the processing fee has reached a very low level for a long time, and with the gradual return of PX supply, attention should be paid to the opportunity to expand the processing fee under potential additional maintenance [2]. - For MEG, new devices are put into operation earlier than expected, and the valuation is significantly compressed. With the subsequent increase in arrivals and high supply expectations in the long - term, the port may start to gradually accumulate inventory, but the current inventory is still not high, and the valuation may be slowly compressed. Attention should be paid to the cost support of coal - based production [2]. - For polyester staple fiber, the start - up rate is expected to remain high due to good spot benefits, but the inventory pressure is limited, and the processing fee is expected to fluctuate [2]. - For natural rubber and 20 - number rubber, the national explicit inventory is stable and at a relatively low level, and the price of Thai cup rubber is stable with rainfall affecting tapping. The recommended strategy is to wait and see [2]. 3. Summary by Product PTA - **Price and Margin Changes**: From September 9 to September 15, the PTA spot price decreased by 50, the processing fee was at a low level, and the basis was weak. The PTA balance load increased by 0.4, while other indicators such as PTA load remained unchanged [2]. - **Market Outlook**: Near - term TA maintenance is over, the start - up rate has increased, polyester load has slightly increased, and inventory has remained stable. With the restart of devices, the de - stocking of TA will slow down, and long - term inventory build - up is expected. But due to the extremely low and long - lasting processing fee and the return of PX supply, potential additional maintenance may provide opportunities to expand the processing fee [2]. MEG - **Price and Margin Changes**: From September 9 to September 15, the prices of Northeast Asian ethylene, MEG, and related indicators remained unchanged. The MEG coal - based profit decreased, and the cash flow (ethylene) was negative and decreased [2]. - **Market Outlook**: Near - term domestic oil - based production of EG remained stable, coal - based start - up slightly increased, and the overall load increased. With the restart of overseas maintenance and an increase in arrivals, port inventory slightly accumulated. New devices are put into operation earlier than expected, and with high supply expectations in the long - term, port inventory may gradually accumulate, but the current inventory is not high, and attention should be paid to the coal - based cost support [2]. Polyester Staple Fiber - **Price and Margin Changes**: From September 9 to September 15, the prices of various types of polyester staple fiber remained stable. The short - fiber profit and pure - polyester yarn profit had some fluctuations, and the cotton - polyester staple fiber and viscose - polyester staple fiber spreads also changed slightly [2]. - **Market Outlook**: Near - term start - up rates of some enterprises increased, the start - up rate reached 94.4%, sales improved, and inventory decreased slightly. On the demand side, the start - up rate of polyester yarn remained stable, raw material inventory decreased, and finished - product inventory decreased. In the future, the start - up rate of polyester yarn may slow down due to high finished - product inventory, while the start - up rate of short - fiber is expected to remain high due to good spot benefits, and the processing fee is expected to fluctuate [2]. Natural Rubber & 20 - Number Rubber - **Price Changes**: From September 9 to September 15, the prices of various types of natural rubber and 20 - number rubber had certain fluctuations. The weekly changes showed a general downward trend, while the daily changes on September 15 were mostly 0, except for some indicators such as RU and NR futures prices [2]. - **Market Outlook**: The national explicit inventory is stable and at a relatively low level, and the price of Thai cup rubber is stable with rainfall affecting tapping. The recommended strategy is to wait and see [2]. Styrene - **Price and Margin Changes**: From September 9 to September 15, the prices of raw materials such as ethylene and pure benzene had some fluctuations, and the prices of styrene and related products also changed. The domestic profit of styrene remained at a loss, and the profits of EPS, PS, and ABS also had certain fluctuations [2][5].