20251118申万期货品种策略日报-聚烯烃（LL&PP） | | | | | 申银万国期货研究所 陆甲明 （从业编号F3079531 交易咨询号Z0015919） | | | | | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | lujm@sywgqh.com.cn 021-50583880 | | | | | | | | LL | | | PP | | | | | 1月 | 5月 | 9月 | 1月 | 5月 | 9月 | | | 前日收盘价 | 6843 | 6902 | 6949 | 6467 | 6565 | 6606 | | 期 | 前2日收盘价 涨跌 | 6853 -10 | 6915 -13 | 6956 -7 | 6474 -7 | 6575 -10 | 6613 -7 | | 货 | | | | | | | | | 市 | 涨跌幅 | -0.15% | -0.19% | -0.10% | -0.11% | -0.15% | -0.11% | | 场 | 成交量 | 206820 | 42477 | 227 | 23125 ...

Report Summary 1. Report Industry Investment Rating - No information provided on the industry investment rating [1][2] 2. Core View of the Report - Polyolefin futures rebounded slightly. Spot prices of linear LL and拉丝PP remained stable for Sinopec and PetroChina. The overall operating rate of the downstream demand side is at a high level, with demand steadily releasing. However, there are concerns about the January contract as the peak - demand season enters the second half, leading to a cooling market sentiment and mainly downward - trending futures. After continuous declines since November released short - selling pressure, the market may gradually stabilize [2] 3. Summary by Relevant Catalogs Futures Market - **Prices and Changes**: For LL, the previous day's closing prices for January, May, and September contracts were 6853, 6915, and 6956 respectively, with price increases of 35, 22, and 18, and percentage increases of 0.51%, 0.32%, and 0.26%. For PP, the previous day's closing prices for January, May, and September contracts were 6474, 6575, and 6613 respectively, with price changes of - 6, - 2, and 1, and percentage changes of - 0.09%, - 0.03%, and 0.02% [2] - **Trading Volume and Open Interest**: The trading volumes of LL for January, May, and September contracts were 347525, 54367, and 707 respectively, and the open interests were 540755, 113633, and 2285 respectively, with open - interest changes of - 40847, 1248, and - 4. For PP, the trading volumes were 308865, 62940, and 1407 respectively, and the open interests were 622052, 154690, and 8990 respectively, with open - interest changes of - 6371, 7458, and 757 [2] - **Spreads**: For LL, the current spreads of January - May, May - September, and September - January were - 62, - 41, and 103 respectively, compared to previous values of - 75, - 45, and 120. For PP, the current spreads were - 101, - 38, and 139 respectively, compared to previous values of - 97, - 35, and 132 [2] Raw Materials and Spot Market - **Raw Materials**: The current prices of methanol futures, Shandong propylene, South China propane, PP recycled materials, North China powder materials, and mulch film were 2061 yuan/ton, 5800 yuan/ton, 553 dollars/ton, 5600 yuan/ton, 6230 yuan/ton, and 8700 yuan/ton respectively, with some price changes compared to the previous values [2] - **Spot Market**: In the LL spot market, the current price ranges in the East China, North China, and South China markets were 6350 - 6550, 6950 - 7450, and 6800 - 7050 respectively. In the PP spot market, the current price ranges in the East China, North China, and South China markets were 7050 - 7400, 6250 - 6450, and 6400 - 6550 respectively [2] News - On Friday (November 14), the settlement price of WTI crude oil futures for December 2025 on the New York Mercantile Exchange was $60.09 per barrel, up $1.40 or 2.39% from the previous trading day, with a trading range of $58.71 - $60.65. The settlement price of Brent crude oil futures for January 2026 on the London Intercontinental Exchange was $64.39 per barrel, up $1.38 or 2.19% from the previous trading day, with a trading range of $63.36 - $64.87 [2]

Group 1: Report Industry Investment Rating - No relevant information provided Group 2: Core View of the Report - Polyolefin futures rebounded slightly. Spot prices of linear LL and拉丝PP remained stable. Fundamentally, polyolefins follow the crude oil trend. The overall operating rate of the downstream demand side is at a high level, and demand is steadily released. Currently, the supply - demand pressure of polyolefins is temporarily limited. After a short - term rebound in the market, it may start to fluctuate in the future [2] Group 3: Summary According to Related Catalogs Futures Market - **Prices and Changes**: For LL, the previous day's closing prices for January, May, and September contracts were 7009, 7075, and 7105 respectively, with increases of 24, 13, and 4, and percentage increases of 0.34%, 0.18%, and 0.06%. For PP, the previous day's closing prices for January, May, and September contracts were 6685, 6765, and 6762 respectively, with increases of 28, 31, and 25, and percentage increases of 0.42%, 0.46%, and 0.37% [2] - **Trading Volume and Open Interest**: The trading volumes of LL for January, May, and September contracts were 212938, 21224, and 643 respectively, and the open interests were 512269, 66284, and 1678 respectively, with changes of - 7218, - 322, and 309. For PP, the trading volumes for January, May, and September contracts were 201901, 20539, and 557 respectively, and the open interests were 612658, 133945, and 7119 respectively, with changes of 1313, - 468, and 280 [2] - **Spreads**: For LL, the current spreads of January - May, May - September, and September - January are - 66, - 30, and 96 respectively, compared to previous values of - 77, - 39, and 116. For PP, the current spreads of January - May, May - September, and September - January are - 80, 3, and 77 respectively, compared to previous values of - 77, - 3, and 80 [2] Raw Materials and Spot Market - **Raw Materials**: The current prices of methanol futures, Shandong propylene, South China propane, PP recycled materials, North China powder materials, and mulch film are 2261 yuan/ton, 5985 yuan/ton, 543 dollars/ton, 5600 yuan/ton, 6450 yuan/ton, and 8700 yuan/ton respectively, compared to previous values of 2245 yuan/ton, 6010 yuan/ton, 534 dollars/ton, 5600 yuan/ton, 6480 yuan/ton, and 8700 yuan/ton [2] - **Mid - stream**: In the mid - stream, the current price ranges of LL in the East China, North China, and South China markets are 7000 - 7500 yuan/ton, 6900 - 7150 yuan/ton, and 7200 - 7500 yuan/ton respectively. For PP, the current price ranges in the East China, North China, and South China markets are 6550 - 6650 yuan/ton, 6450 - 6550 yuan/ton, and 6500 - 6650 yuan/ton respectively [2] News - On Wednesday (October 29), the settlement price of West Texas Intermediate crude oil futures for December 2025 on the New York Mercantile Exchange was $60.48 per barrel, up $0.33 or 0.55% from the previous trading day, with a trading range of $59.70 - $61.02. The settlement price of Brent crude oil futures for December 2025 on the London Intercontinental Exchange was $64.92 per barrel, up $0.52 or 0.81% from the previous trading day, with a trading range of $63.92 - $65.37 [2]

Report Industry Investment Rating - Not provided in the report Core View - Polyolefin futures declined slightly. Spot prices of linear LL and拉丝PP remained stable for Sinopec and PetroChina. Fundamentally, polyolefins have gradually stopped falling. With the easing of the external environment and the stop - fall and rebound of crude oil, polyolefins follow the crude oil trend. Currently, the supply - demand pressure is temporarily limited, and the market may maintain a short - term oscillatory rebound trend [2] Summary by Relevant Catalogs Futures Market - **LL Futures**: The previous day's closing prices for January, May, and September contracts were 6969, 7021, and 7050 respectively, with changes of - 30, - 23, and - 8, and corresponding percentage changes of - 0.43%, - 0.33%, and - 0.11%. The trading volumes were 229753, 23556, and 105, and the open interests were 529187, 62588, and 1136, with changes of - 2302, 182, and 7 respectively. The current spreads of 1 - 5 months, 5 - 9 months, and 9 - 1 months were - 52, - 29, and 81, compared to previous values of - 45, - 14, and 59 [2] - **PP Futures**: The previous day's closing prices for January, May, and September contracts were 6662, 6719, and 6728 respectively, with changes of - 29, - 21, and - 6, and corresponding percentage changes of - 0.43%, - 0.31%, and - 0.09%. The trading volumes were 229145, 19734, and 517, and the open interests were 608100, 126861, and 6141, with changes of - 10384, 281, and 106 respectively. The current spreads of 1 - 5 months, 5 - 9 months, and 9 - 1 months were - 57, - 9, and 66, compared to previous values of - 49, 6, and 43 [2] Raw Materials and Spot Market - **Raw Materials**: The current prices of methanol futures, Shandong propylene, South China propane, PP recycled materials, North China powder, and mulch film were 2274 yuan/ton, 6025 yuan/ton, 537 dollars/ton, 5600 yuan/ton, 6500 yuan/ton, and 8800 yuan/ton respectively, compared to previous values of 2295 yuan/ton, 6010 yuan/ton, 542 dollars/ton, 5600 yuan/ton, 6510 yuan/ton, and 8800 yuan/ton [2] - **Spot Market**: For LL, the current prices in East China, North China, and South China markets were 6500 - 6650 yuan/ton, 7000 - 7450 yuan/ton, and 6900 - 7150 yuan/ton respectively, compared to previous values of 6450 - 6600 yuan/ton, 6900 - 7450 yuan/ton, and 6850 - 7150 yuan/ton. For PP, the current prices in East China, North China, and South China markets were 7150 - 7500 yuan/ton, 6550 - 6650 yuan/ton, and 6500 - 6600 yuan/ton respectively, compared to previous values of 7100 - 7500 yuan/ton, 6450 - 6650 yuan/ton, and 6450 - 6550 yuan/ton [2] News - On Friday (October 24), the settlement price of WTI crude oil futures for December 2025 on the New York Mercantile Exchange was $61.5 per barrel, down $0.29 or 0.47% from the previous trading day, with a trading range of $61.21 - $62.59. The settlement price of Brent crude oil futures for December 2025 on the London Intercontinental Exchange was $65.94 per barrel, down $0.05 or 0.08% from the previous trading day, with a trading range of $65.41 - $66.78 [2]

Report Summary 1. Report Industry Investment Rating - No investment rating is provided in the report. 2. Core View of the Report - Polyolefin futures continued to rebound. With the easing of the external environment and the rebound of crude oil prices, polyolefins followed the crude oil trend. Currently, the supply - demand pressure is temporarily limited, and the market may maintain a short - term volatile rebound trend [2]. 3. Summary According to Related Catalogs Futures Market - **LL (Linear Low - Density Polyethylene) Futures**: The previous day's closing prices for January, May, and September contracts were 6999, 7044, and 7058 respectively, with price increases of 63, 66, and 49 and percentage increases of 0.91%, 0.95%, and 0.70% respectively. The trading volumes were 253296, 26147, and 495, and the open interests were 531489, 62406, and 1129, with changes of - 18375, 487, and 194 respectively. The current spreads between January - May, May - September, and September - January were - 45, - 14, and 59, compared to previous values of - 42, - 31, and 73 [2]. - **PP (Polypropylene) Futures**: The previous day's closing prices for January, May, and September contracts were 6691, 6740, and 6734 respectively, with price increases of 72, 75, and 54 and percentage increases of 1.09%, 1.13%, and 0.81% respectively. The trading volumes were 320558, 28822, and 1586, and the open interests were 618484, 126580, and 6035, with changes of - 14771, 1854, and 1037 respectively. The current spreads between January - May, May - September, and September - January were - 49, 6, and 43, compared to previous values of - 46, - 15, and 61 [2]. Spot Market - **Raw Materials and Semi - finished Products**: Methanol futures were at 2294 yuan/ton, Shandong propylene at 6010 yuan/ton, South China propane at 542 dollars/ton, PP recycled materials at 5600 yuan/ton, North China powder at 6510 yuan/ton, and plastic film at 8800 yuan/ton. Most prices remained stable compared to the previous day [2]. - **Mid - stream Products**: The spot prices of LL in the East China, North China, and South China markets were 6900 - 7450, 6850 - 7150, and 7100 - 7500 yuan/ton respectively. The spot prices of PP in the East China, North China, and South China markets were 6450 - 6650, 6450 - 6550, and 6450 - 6600 yuan/ton respectively, remaining unchanged from the previous day [2]. News - On Thursday (October 23, 2025), the settlement price of WTI crude oil December 2025 futures on the New York Mercantile Exchange was $61.79 per barrel, up $3.29 or 5.62% from the previous trading day, the largest increase since June 13. The trading range was $59.64 - $62.20. The settlement price of Brent crude oil December 2025 futures on the London Intercontinental Exchange was $65.99 per barrel, up $3.40 or 5.43% from the previous trading day, with a trading range of $63.86 - $66.36 [2].

Group 1: Report Industry Investment Rating - No relevant content found Group 2: Core Viewpoints of the Report - Polyolefin futures are oscillating at a low level. In the medium - term, the market focuses more on the actual demand fulfillment and potential industrial policy changes on the supply side of polyolefins in the fourth quarter. Currently, due to the continued Sino - US game, crude oil is under pressure, weakening cost support. In the short - term, polyolefin prices fluctuate passively with the cost side, and market sentiment is cautious. However, after continuous declines, the decline speed of chemical products may slow down [2] Group 3: Summary by Related Catalogs Futures Market - **Price and Fluctuation**: For LL, the previous day's closing prices for January, May, and September contracts were 6929, 6968, and 7004 respectively, with increases of 19, 23, and 7, and涨幅 of 0.27%, 0.33%, and 0.10% respectively. For PP, the previous day's closing prices for January, May, and September contracts were 6618, 6670, and 6691 respectively, with increases of 23, 22, and 19, and涨幅 of 0.35%, 0.33%, and 0.28% respectively [2] - **Volume and Open Interest**: The trading volumes of LL for January, May, and September contracts were 239611, 22986, and 234 respectively, and the open interests were 566645, 60931, and 662 respectively, with open interest changes of - 2181, 662, and 44 respectively. For PP, the trading volumes for January, May, and September contracts were 264044, 23995, and 804 respectively, and the open interests were 661984, 115861, and 3936 respectively, with open interest changes of - 5795, 2387, and 279 respectively [2] - **Spreads**: For LL, the current spreads of January - May, May - September, and September - January are - 39, - 36, and 75 respectively, compared with previous values of - 35, - 52, and 87. For PP, the current spreads of January - May, May - September, and September - January are - 52, - 21, and 73 respectively, compared with previous values of - 53, - 24, and 77 [2] Raw Materials and Spot Market - **Raw Materials**: The current prices of methanol futures, Shandong propylene, South China propane, PP recycled materials, North China powder materials, and mulch film are 2321 yuan/ton, 6215 yuan/ton, 533 dollars/ton, 5600 yuan/ton, 6500 yuan/ton, and 8800 yuan/ton respectively, compared with previous values of 2301 yuan/ton, 6260 yuan/ton, 531 dollars/ton, 5600 yuan/ton, 6510 yuan/ton, and 8800 yuan/ton [2] - **Mid - stream Spot**: For LL, the current price ranges in the East China, North China, and South China markets are 6950 - 7500 yuan/ton, 6900 - 7150 yuan/ton, and 7150 - 7600 yuan/ton respectively, compared with previous ranges of 6950 - 7550 yuan/ton, 6950 - 7250 (8100 - 8250) yuan/ton, and 7150 - 7600 yuan/ton. For PP, the current price ranges in the East China, North China, and South China markets are 6450 - 6650 yuan/ton, 6500 - 6600 yuan/ton, and 6500 - 6650 yuan/ton respectively, which are the same as the previous ranges [2] News - On Thursday (October 16), the settlement price of West Texas Light Crude Oil futures for November 2025 on the New York Mercantile Exchange was $57.46 per barrel, the lowest since May 5, down $0.81 or 1.39% from the previous trading day, with a trading range of $57.26 - $59.11. The settlement price of Brent crude oil futures for December 2025 on the London Intercontinental Exchange was $61.06 per barrel, also the lowest since May 5, down $0.85 or 1.37% from the previous trading day, with a trading range of $60.84 - $62.75 [2]

Report Summary 1. Report Industry Investment Rating No information provided. 2. Core View of the Report - The polyolefin futures are running weakly. In the spot market, some prices of linear LL from Sinopec were lowered by 100, and some from PetroChina were lowered by 50. For drawn PP, some prices from Sinopec were lowered by 50, while those from PetroChina remained stable. From a fundamental perspective, the market focuses more on the actual demand fulfillment in the medium - term and potential industrial policy changes on the supply side of polyolefins in the fourth quarter. With the continuation of China - US game on Friday, crude oil was under pressure, and in the short - term, polyolefin prices generally fluctuate passively following the cost side, with cautious market sentiment [2]. 3. Summary by Relevant Catalog Futures Market - **Prices and Changes**: For LL, the previous day's closing prices for January, May, and September contracts were 7037, 7066, and 7124 respectively, with decreases of - 40, - 40, and - 34 compared to the day before the previous day, and declines of - 0.57%, - 0.56%, and - 0.47% respectively. For PP, the previous day's closing prices for January, May, and September contracts were 6722, 6762, and 6782 respectively, with decreases of - 23, - 23, and - 25, and declines of - 0.34%, - 0.34%, and - 0.37% respectively [2]. - **Volume and Open Interest**: The trading volumes of LL for January, May, and September contracts were 225133, 21799, and 186 respectively, and the open interests were 557868, 53285, and 427 respectively, with increases of 11563, 4180, and 119 respectively. For PP, the trading volumes were 251636, 14886, and 258 respectively, and the open interests were 634901, 109252, and 2775 respectively, with increases of 11295, 3625, and 170 respectively [2]. - **Spreads**: For LL, the current spreads of January - May, May - September, and September - January were - 29, - 58, and 87 respectively, compared to previous values of - 29, - 52, and 81. For PP, the current spreads were - 40, - 20, and 60 respectively, compared to previous values of - 40, - 22, and 62 [2]. Raw Materials and Spot Market - **Raw Materials**: The current prices of methanol futures, Shandong propylene, South China propane, PP recycled materials, North China powder materials, and plastic film were 2390 yuan/ton, 6470 yuan/ton, 532 dollars/ton, 5600 yuan/ton, 6590 yuan/ton, and 8800 yuan/ton respectively. The previous values were 2293 yuan/ton, 6495 yuan/ton, 535 dollars/ton, 5600 yuan/ton, 6590 yuan/ton, and 8800 yuan/ton [2]. - **Spot Market**: In the LL spot market, the current price ranges in the East China, North China, and South China markets were 7050 - 7600 yuan/ton, 7000 - 7250 yuan/ton, and 7200 - 7650 yuan/ton respectively, compared to previous ranges of 8100 - 8250 yuan/ton, 7100 - 7600 yuan/ton, and 7050 - 7300 yuan/ton. In the PP spot market, the current price ranges were 6600 - 6700 yuan/ton, 6550 - 6650 yuan/ton, and 6550 - 6700 yuan/ton respectively, compared to previous ranges of 7250 - 7650 yuan/ton, 6650 - 6750 yuan/ton, and 6600 - 6750 yuan/ton [2]. Energy News - Oil prices dropped significantly on Friday. The settlement price of WTI crude oil futures for November 2025 on the New York Mercantile Exchange was $58.9 per barrel, the lowest since early May, down $2.61 from the previous trading day, a decline of 4.24%, with a trading range of $58.22 - $61.67. The settlement price of Brent crude oil futures for December 2025 on the London Intercontinental Exchange was $62.73 per barrel, the lowest since May 5, down $2.49 from the previous trading day, a decline of 3.82%, with a trading range of $62 - $65.36 [2].

Group 1: Report Industry Investment Rating - No relevant information provided Group 2: Core Viewpoints of the Report - The polyolefin market rebounded from the bottom. The spot prices of linear LL remained stable for Sinopec and partially stable for PetroChina, while the spot prices of drawn PP remained stable for Sinopec and some were reduced by 100 by PetroChina. Fundamentally, the polyolefin spot market is still mainly driven by supply and demand. Currently, the PE inventory is being slowly digested, and the PP inventory has also improved. After continuous declines, the short - selling pressure has been released, and the stabilization of crude oil prices provides support for chemical products. The market may rebound after the stop - fall, and attention should be paid to the Federal Reserve meeting this week [2] Group 3: Summary by Relevant Catalogs Futures Market - **LL and PP Prices**: For LL, the previous day's closing prices for January, May, and September contracts were 7232, 7252, and 7269 respectively, with increases of 63, 71, and 219 and increases of 0.88%, 0.99%, and 3.11% respectively. For PP, the previous day's closing prices for January, May, and September contracts were 6966, 6988, and 6967 respectively, with increases of 53, 52, and 180 and increases of 0.77%, 0.75%, and 2.65% respectively [2] - **Trading Volume and Open Interest**: The trading volumes of LL for January, May, and September contracts were 264026, 11216, and 49 respectively, and the open interests were 554975, 37371, and 19 respectively, with open - interest changes of - 6135, 1505, and 19 respectively. For PP, the trading volumes for January, May, and September contracts were 297850, 13616, and 288 respectively, and the open interests were 616154, 57544, and 279 respectively, with open - interest changes of - 27201, 2816, and 279 respectively [2] - **Spreads**: The current spreads of LL for January - May, May - September, and September - January were - 20, - 17, and 37 respectively, compared with previous values of - 12, 131, and - 119. For PP, the current spreads for January - May, May - September, and September - January were - 22, 21, and 1 respectively, compared with previous values of - 23, 149, and - 126 [2] Spot Market - **Raw Materials and Semi - finished Products**: The current prices of methanol futures, Shandong propylene, South China propane, PP recycled materials, North China powder, and plastic film were 2398 yuan/ton, 6600 yuan/ton, 595 dollars/ton, 5600 yuan/ton, 6770 yuan/ton, and 8800 yuan/ton respectively. Most of these prices remained unchanged compared with the previous values [2] - **Mid - stream Products**: The current price ranges of LL in the East China, North China, and South China markets were 7150 - 7700 yuan/ton, 7100 - 7450 yuan/ton, and 7300 - 7750 yuan/ton respectively. The current price ranges of PP in the East China, North China, and South China markets were 6750 - 6950 yuan/ton, 6700 - 6850 yuan/ton, and 6700 - 6900 yuan/ton respectively [2] News - On Monday (September 15), the settlement price of WTI crude oil futures for October 2025 on the New York Mercantile Exchange was $63.30 per barrel, up $0.61 or 0.97% from the previous trading day, with a trading range of $62.52 - $63.67. The settlement price of Brent crude oil futures for November 2025 on the London Intercontinental Exchange was $67.44 per barrel, up $0.45 or 0.67% from the previous trading day, with a trading range of $66.78 - $67.85 [2]

Report Summary 1. Report Industry Investment Rating - No investment rating information is provided in the report. 2. Core View - Polyolefin futures rebounded from the bottom and closed with a lower shadow yesterday. The spot market for linear LL was stable for Sinopec and partially stable for PetroChina, while the spot market for拉丝PP saw some price cuts of 50 yuan by Sinopec and stability from PetroChina. The market enthusiasm has cooled, and the polyolefin spot market is mainly driven by supply - demand factors. Summer maintenance is in balance, and inventory is being slowly digested. The overall spot price of polyolefins is weak at the beginning of the month. Whether the stop - fall of the futures market can drive the spot market to stop falling remains to be seen [2]. 3. Summary by Related Catalogs Futures Market - **LL Futures**: The previous day's closing prices for January, May, and September contracts were 7270 yuan, 7276 yuan, and 7204 yuan respectively, with price drops of - 17 yuan, - 23 yuan, and - 26 yuan and declines of - 0.23%, - 0.32%, and - 0.36% compared to two days ago. The trading volumes were 324382, 11181, and 5021, and the open interests were 468822, 29742, and 9200, with changes of + 28457, + 294, and - 3708 respectively. The current spreads of January - May, May - September, and September - January were - 6, 72, and - 66, compared to previous values of - 12, 69, and - 57 [2]. - **PP Futures**: The previous day's closing prices for January, May, and September contracts were 6965 yuan, 6982 yuan, and 6871 yuan respectively, with price drops of - 9 yuan, - 13 yuan, and - 11 yuan and declines of - 0.13%, - 0.19%, and - 0.16% compared to two days ago. The trading volumes were 294958, 8448, and 1912, and the open interests were 558606, 43187, and 6477, with changes of + 30363, + 1920, and - 680 respectively. The current spreads of January - May, May - September, and September - January were - 17, 111, and - 94, compared to previous values of - 21, 113, and - 92 [2]. Raw Materials and Spot Market - **Raw Materials**: The current prices of methanol futures, Shandong propylene, South China propane, PP recycled materials, North China powder materials, and plastic film were 2387 yuan/ton, 6605 yuan/ton, 575 dollars/ton, 5600 yuan/ton, 6770 yuan/ton, and 8800 yuan/ton respectively, compared to previous values of 2364 yuan/ton, 6575 yuan/ton, 574 dollars/ton, 5600 yuan/ton, 6800 yuan/ton, and 8800 yuan/ton [2]. - **Mid - stream Spot Market**: For LL, the current price ranges in the East China, North China, and South China markets were 7200 - 7700 yuan, 7150 - 7450 yuan, and 7400 - 7750 yuan respectively, compared to previous ranges of 7300 - 7700 yuan, 7200 - 7450 yuan, and 7400 - 7750 yuan. For PP, the current price ranges in the East China, North China, and South China markets were 6800 - 7000 yuan, 6800 - 7000 yuan, and 6800 - 7050 yuan respectively, compared to previous ranges of 6850 - 7000 yuan, 6800 - 7000 yuan, and 6800 - 7050 yuan [2]. News - On Monday (September 1st), the trading range of the WTI crude oil futures contract for October 2025 on the New York Mercantile Exchange was $63.66 - $64.88 per barrel. The settlement price of the Brent crude oil futures contract for November 2025 on the London Intercontinental Exchange was $68.15 per barrel, up $0.67 or 0.99% from the previous trading day, with a trading range of $67.12 - $68.36 [2].

Report Summary 1. Report Industry Investment Rating - No investment rating information is provided in the report. 2. Core View - The polyolefin futures closed positive yesterday. The spot prices of linear LL and拉丝 PP from Sinopec and PetroChina remained stable. The market heat has cooled down, and the polyolefin spot market is still mainly driven by supply and demand. Summer maintenance is in balance, and inventory is slowly being digested, but short - term petrochemical inventory may fluctuate. The domestic macro - level is still driven by domestic demand, and the terminal stocking demand may gradually pick up in mid - to late August. The future market should focus on the autumn stocking rhythm after supply - demand digestion and possible changes on the supply side [2]. 3. Summary by Relevant Catalogs Futures Market - **Prices**: For linear LL futures, the previous day's closing prices for January, May, and September contracts were 7347, 7340, and 7308 respectively, with increases of 40, 49, and 40 and涨幅 of 0.55%, 0.67%, and 0.55% respectively. For拉丝 PP futures, the previous day's closing prices for January, May, and September contracts were 7056, 7062, and 7026 respectively, with increases of 40, 30, and 39 and涨幅 of 0.57%, 0.43%, and 0.56% respectively [2]. - **Volume and Open Interest**: The trading volumes of linear LL futures for January, May, and September contracts were 400529, 7534, and 95001 respectively, and the open interests were 381563, 20465, and 90092 respectively. The open interest changes were 21423, 1614, and - 35644 respectively. For拉丝 PP futures, the trading volumes were 341106, 14955, and 58830 respectively, the open interests were 442583, 31841, and 61893 respectively, and the open interest changes were 25989, 2844, and - 19500 respectively [2]. - **Spreads**: For linear LL, the current spreads of January - May, May - September, and September - January were 7, 32, and - 39 respectively, compared with previous values of 16, 23, and - 39. For拉丝 PP, the current spreads of January - May, May - September, and September - January were - 6, 36, and - 30 respectively, compared with previous values of - 16, 45, and - 29 [2]. Raw Materials and Spot Market - **Raw Materials**: The current prices of methanol futures, Shandong propylene, South China propane, PP recycled materials, North China powder, and mulch film were 2427 yuan/ton, 6390 yuan/ton, 570 dollars/ton, 5600 yuan/ton, 6770 yuan/ton, and 8800 yuan/ton respectively, with some changes compared to previous values [2]. - **Spot Market**: In the middle - stream market, the current price ranges of linear LL in East China, North China, and South China were 7250 - 7700 yuan/ton, 7150 - 7450 yuan/ton, and 7350 - 7750 yuan/ton respectively. For拉丝 PP, the current price ranges in East China, North China, and South China were 6900 - 7000 yuan/ton, 6850 - 7000 yuan/ton, and 6850 - 7100 yuan/ton respectively [2]. News - On Wednesday (August 20), the settlement price of WTI crude oil futures for September 2025 on the New York Mercantile Exchange was $63.21 per barrel, up $0.86 or 1.38% from the previous trading day, with a trading range of $62.39 - $63.55. The settlement price of Brent crude oil futures for October 2025 on the London Intercontinental Exchange was $66.84 per barrel, up $1.05 or 1.60% from the previous trading day, with a trading range of $65.81 - $67.06 [2].