聚酯价格区间预测 | | 价格区间预测（月度） | 当前波动率（20日滚动） | 当前波动率历史百分位（3年） | | --- | --- | --- | --- | | 乙二醇 | 4200-4700 | 9.09% | 1.4% | | PX | 6500-7400 | 11.78% | 17.7% | | PTA | 4400-5300 | 9.30% | 4.6% | | 瓶片 | 5800-6500 | 7.92% | 0.9% | 聚酯产业风险管理日报 ——原料消息推动乙二醇冲高收涨 2025/08/20 戴一帆（投资咨询证号：Z0015428） 周嘉伟（期货从业证号：F03133676） 投资咨询业务资格：证监许可【2011】1290号 source： 南华研究,同花顺 聚酯套保策略表 | 行为导向 | 情景分析 | 现货敞口 | 策略推荐 | 套保工具 | 买卖方向 | 套保比例（%） | 建议入场区间 | | --- | --- | --- | --- | --- | --- | --- | --- | | 库存管理 | 产成品库存偏高， 担心乙二醇价格下 | 多 | 为了防止存货叠加损失， ...

| | 价格区间预测（月度） | 当前波动率（20日滚动） | 当前波动率历史百分位（3年） | | --- | --- | --- | --- | | 乙二醇 | 4200-4700 | 9.09% | 1.4% | | PX | 6500-7400 | 11.78% | 17.7% | | PTA | 4400-5300 | 9.30% | 4.6% | | 瓶片 | 5800-6500 | 7.92% | 0.9% | source： 南华研究,同花顺 聚酯产业风险管理日报 ——随煤价走弱 2025/08/13 戴一帆（投资咨询证号：Z0015428） 周嘉伟（期货从业证号：F03133676） 投资咨询业务资格：证监许可【2011】1290号 聚酯价格区间预测 聚酯套保策略表 | 行为导向 | 情景分析 | 现货敞口 | 策略推荐 | 套保工具 | 买卖方向 | 套保比例（%） | 建议入场区间 | | --- | --- | --- | --- | --- | --- | --- | --- | | 库存管理 | 产成品库存偏高， 担心乙二醇价格下 | 多 | 为了防止存货叠加损失，可 以根据企业的 ...

Report Summary 1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints - The supply - demand fundamentals of ethylene glycol (EG) are basically stable, lacking obvious drivers, and its price trend is mainly range - bound. Although there is a cumulative inventory trend, the inventory increase is limited, and the supply - demand is in a fragile balance. With low inventory, the upward elasticity is expected to be large. Also, the coal - based profit has been compressed recently, and the downward space is expected to be limited under stable costs. It is recommended to buy EG on dips, and the entry timing should focus on commodity sentiment [3]. 3. Summary by Related Content Polyester Price and Volatility - The monthly price range forecasts are: 4200 - 4700 for ethylene glycol, 6500 - 7400 for PX, 4400 - 5300 for PTA, and 5800 - 6500 for bottle chips. The current 20 - day rolling volatilities are 9.09% for ethylene glycol, 11.78% for PX, 9.30% for PTA, and 7.92% for bottle chips. The current volatility historical percentiles (3 - year) are 1.4% for ethylene glycol, 17.7% for PX, 4.6% for PTA, and 0.9% for bottle chips [2]. Polyester Hedging Strategies - **Inventory Management**: For enterprises with high finished - product inventory worried about EG price drops, they can short EG2509 futures (25% hedging ratio, entry range 4450 - 4550), buy EG2509P4350 put options, and sell EG2509C4500 call options (50% hedging ratio, entry range 10 - 15) [2]. - **Procurement Management**: For enterprises with low procurement inventory and aiming to purchase according to orders, they can buy EG2509 futures (50% hedging ratio, entry range 4300 - 4400), sell EG2509P4350 put options (75% hedging ratio, entry range 10 - 30) to lock in procurement costs [2]. Market Influencing Factors - **Likely Positive Factor**: On August 4, the Emergency Management Department released the new "Coal Mine Safety Regulations", leading to a rebound in coal prices and an increase in costs [4]. - **Possible Negative Factor**: There is a market rumor that large filament manufacturers' FDY is suffering heavy losses and may cut production, but the implementation needs further observation [7]. Price and Spread Data on August 11, 2025 - **Price Changes**: Compared with August 8 and August 4, prices of various polyester - related products such as Brent crude oil, PX, PTA, EG, etc. have different degrees of changes. For example, Brent crude oil dropped by 0.3 dollars/barrel compared with August 8 and 2.4 dollars/barrel compared with August 4 [8]. - **Spread Changes**: Spreads such as TA1 - 5, EG1 - 5, etc. also changed. For example, TA1 - 5 month - spread increased by 2 yuan/ton compared with August 8 and decreased by 6 yuan/ton compared with August 4 [8]. Production and Sales Rates and Processing Fees - **Production and Sales Rates**: The production and sales rates of polyester products such as polyester filament, polyester staple fiber, and polyester chips have different degrees of changes. For example, the polyester filament production and sales rate increased by 24.8% compared with August 8 [9]. - **Processing Fees**: Processing fees of products such as gasoline reforming, aromatics reforming, etc. also changed. For example, the gasoline reforming spread increased by 3 dollars/ton compared with August 8 [9].

Report Industry Investment Rating - Not provided in the content Core Viewpoints - The "anti-involution" logic has temporarily ended, and price trends have returned to fundamentals, with the previous premium being rapidly squeezed out. For ethylene glycol, the inventory accumulation in Q3 is small, the supply-demand contradiction is not significant, the downward space is limited under low inventory, and the inventory accumulation expectation is postponed. After the correction, the valuation is relatively neutral, and it is expected to fluctuate within a range following market sentiment [3] - The new version of the "Coal Mine Safety Regulations" was released, leading to a rebound in coal prices and an increase in costs [3] Summary by Relevant Catalogs Polyester Price Forecast - The monthly price forecast for ethylene glycol is 4200 - 4700 yuan, with a current 20 - day rolling volatility of 9.09% and a historical percentile (3 - year) of 1.4%. For PX, it is 6500 - 7400 yuan, with a volatility of 11.78% and a historical percentile of 17.7%. For PTA, it is 4400 - 5300 yuan, with a volatility of 9.30% and a historical percentile of 4.6%. For bottle chips, it is 5800 - 6500 yuan, with a volatility of 7.92% and a historical percentile of 0.9% [2] Polyester Hedging Strategies Inventory Management - When the finished - product inventory is high and there are concerns about a decline in ethylene glycol prices, enterprises with long positions can short ethylene glycol futures (EG2509) with a 25% hedging ratio at an entry range of 4450 - 4550 yuan to lock in profits and cover production costs. They can also buy put options (EG2509P4350) to prevent large price drops and sell call options (EG2509C4500) to reduce capital costs, with a 50% hedging ratio at an entry range of 10 - 15 yuan [2] Procurement Management - When the procurement of regular inventory is low and enterprises want to purchase based on orders, those with short positions can buy ethylene glycol futures (EG2509) with a 50% hedging ratio at an entry range of 4280 - 4330 yuan to lock in procurement costs. They can also sell put options (EG2509P4350) with a 75% hedging ratio at an entry range of 20 - 30 yuan to collect premiums and lock in the purchase price if the price drops [2] Polyester Raw Material Production Facilities - Before May 30, 2005, there were various polyester raw material production facilities. For MEG, facilities in Shanghai Petrochemical, Maoming Petrochemical, Jilin Petrochemical, etc. had different production capacities, operating states, and production time. For PX, facilities in Yangzi Petrochemical, Tianjin Petrochemical, etc. were included. For PTA, facilities in Yizheng Chemical Fibre, Luoyang Petrochemical, etc. were listed [7] Polyester Daily Data Price and Spread - Many polyester - related products showed price and spread changes on August 6, 2025, compared with previous days. For example, Brent crude oil was at 67.7 dollars/barrel, with a daily change of 0.0 and a weekly change of - 4.8 dollars/barrel. TA01 contract was at 4754 yuan/ton, with a daily change of 32 yuan/ton and a weekly change of - 100 yuan/ton. TA1 - 5 month spread was - 38 yuan/ton, with a daily change of 4 yuan/ton and a weekly change of - 20 yuan/ton [8] Inventory and Processing Fees - On August 6, 2025, PTA warehouse receipts were 27131, with a daily change of 0 and a weekly change of - 2607. Many processing fees also changed. For example, the gasoline reforming spread was 37 dollars/ton, with a daily change of 0 and a weekly change of 5 dollars/ton. POY profit was 111 yuan/ton, with a daily change of - 45 yuan/ton and a weekly change of 110 yuan/ton [9]

Report Summary 1. Investment Rating The document does not provide an investment rating for the industry. 2. Core View Supported by the macro "anti-involution" theme, the ethylene glycol price is running strongly under supply-side disturbances. Although the demand shows no sign of improvement, the supply side has frequent accidents, leading to a stronger near-term pattern of ethylene glycol, delaying the inventory accumulation expectation again. With low inventory levels, the price remains prone to rise and difficult to fall. Before the macro narrative materializes, it is expected to remain strong in the short term [3]. 3. Content Summary by Section Polyester Price Range Forecast - **Price Range**: The monthly price ranges are 4000 - 4600 for ethylene glycol, 6400 - 7300 for PX, 4400 - 5300 for PTA, and 5700 - 6400 for bottle chips [2]. - **Volatility**: The current 20 - day rolling volatilities are 15.94% for ethylene glycol, 21.59% for PX, 19.17% for PTA, and 15.85% for bottle chips. Their historical percentiles (3 - year) are 27.7%, 67.9%, 48.2%, and 47.9% respectively [2]. Polyester Hedging Strategy - **Inventory Management**: When the finished - product inventory is high and worried about the decline of ethylene glycol price, the strategies include shorting ethylene glycol futures (EG2509) with a 25% hedging ratio at 4400 - 4500, buying put options (EG2509P4250) and selling call options (EG2509C4500) with a 50% hedging ratio at 10 - 15 and 35 - 60 respectively [2]. - **Procurement Management**: When the procurement inventory is low, to prevent the rise of ethylene glycol price, strategies are to buy ethylene glycol futures (EG2509) with a 50% hedging ratio at 4200 - 4250, sell put options (EG2509P4250) with a 75% hedging ratio at 25 - 50 [2]. Core Contradiction Macro "anti - involution" theme supports the strong operation of ethylene glycol price under supply - side disturbances. Demand is weak, but supply - side accidents make the near - term pattern stronger, delaying inventory accumulation and keeping the price easy to rise and hard to fall in the short term [3]. 利多解读 The document does not provide specific content for this part. 利空解读 Long - filament manufacturers are rumored to have a 10% production cut plan, which is expected to be partially implemented, affecting the total polyester load by 1 - 2% [5]. Supply - side News - Satellite Petrochemical's first line restart is postponed from mid - August, reducing the production forecast for August - September [7]. - Three ethylene glycol plants in Saudi Arabia with a total capacity of 1.7 million tons/year have restart problems due to infrastructure issues, and the restart time is undetermined. The import volume in August is expected to decrease [7]. Price and Spread Data - **Price Changes**: On July 18, 2025, compared with the previous day and week, prices of various products such as Brent crude oil, PX, PTA, and ethylene glycol showed different degrees of changes. For example, Brent crude oil was at $69.7/barrel, up $0.1 from the previous day and down $0.7 from the previous week [8]. - **Spread Changes**: Spreads such as TA1 - 5, TA5 - 9, and EG1 - 5 also had corresponding changes. For example, the PX1 - 5 month spread was 52 yuan/ton, up 14 yuan/ton from the previous day and 14 yuan/ton from the previous week [8]. Processing Fee and Sales Rate - **Processing Fees**: Processing fees of products like gasoline reforming, aromatics reforming, and bottle chips showed different degrees of change. For example, the bottle chip processing fee was 377 yuan/ton, down 9 yuan/ton from the previous day and 63 yuan/ton from the previous week [9]. - **Sales Rates**: Sales rates of polyester products such as polyester filament, polyester staple fiber, and polyester chips increased. For example, the polyester filament sales rate was 58.2%, up 20% from the previous day and 22.9% from the previous week [9].

聚酯产业风险管理日报：供应端扰动，小幅反弹 2025/07/14 戴一帆（投资咨询证号：Z0015428） 周嘉伟（期货从业证号：F03133676） 投资咨询业务资格：证监许可【2011】1290号 聚酯价格区间预测 | | 价格区间预测（月度） | 当前波动率（20日滚动） | 当前波动率历史百分位（3年） | | --- | --- | --- | --- | | 乙二醇 | 4000-4600 | 17.22% | 36.2% | | PX | 6400-7300 | 24.12% | 76.9% | | PTA | 4400-5300 | 22.00% | 63.2% | | 瓶片 | 5700-6400 | 17.82% | 56.0% | source： 南华研究,同花顺 聚酯套保策略表 | 行为导向 | 情景分析 | 现货敞口 | 策略推荐 | 套保工具 | 买卖方向 | 套保比例（%） | 建议入场区间 | | --- | --- | --- | --- | --- | --- | --- | --- | | 库存管理 | 产成品库存偏高， 担心乙二醇价格下 | 多 | 为了防止存货叠加损失 ...

聚酯产业风险管理日报：地缘缓和，回吐风险溢价 2025/06/27 戴一帆（投资咨询证号：Z0015428） 周嘉伟（期货从业证号：F03133676） 投资咨询业务资格：证监许可【2011】1290号 聚酯价格区间预测 | | 价格区间预测（月度） | 当前波动率（20日滚动） | 当前波动率历史百分位（3年） | | --- | --- | --- | --- | | 乙二醇 | 4000-4600 | 20.02% | 49.6% | | PX | 6400-7300 | 30.37% | 86.2% | | PTA | 4400-5300 | 28.78% | 83.7% | | 瓶片 | 5700-6400 | 22.42% | 70.4% | source： 南华研究,同花顺 聚酯套保策略表 | 行为导向 | 情景分析 | 现货敞口 | 策略推荐 | 套保工具 | 买卖方向 | 套保比例（%） | 建议入场区间 | | --- | --- | --- | --- | --- | --- | --- | --- | | 库存管理 | 产成品库存偏高， 担心乙二醇价格下 | 多 | 为了防止存货叠加损 ...

聚酯产业风险管理日报：地缘缓和，回吐风险溢价 2025/06/25 戴一帆（投资咨询证号：Z0015428） 周嘉伟（期货从业证号：F03133676） 投资咨询业务资格：证监许可【2011】1290号 聚酯价格区间预测 | | 价格区间预测（月度） | 当前波动率（20日滚动） | 当前波动率历史百分位（3年） | | --- | --- | --- | --- | | 乙二醇 | 4000-4600 | 20.82% | 52.8% | | PX | 6400-7300 | 31.00% | 87.6% | | PTA | 4400-5300 | 29.19% | 84.7% | | 瓶片 | 5700-6400 | 22.78% | 71.3% | 【核心矛盾】 本次伊以冲突对乙二醇的直接影响主要体现在两方面，一方面在于成本端原油价格的大幅波动，另一方面在 于供应端的扰动。总体而言，目前地缘的影响逐步消退，乙二醇价格影响回归基本面主导。 source： 南华研究,同花顺 聚酯套保策略表 | 行为导向 | 情景分析 | 现货敞口 | 策略推荐 | 套保工具 | 买卖方向 | 套保比例（%） | 建议入场区 ...

聚酯产业风险管理日报：长丝再传减产计划，EG偏弱运行 2025/06/09 戴一帆（投资咨询证号：Z0015428） 周嘉伟（期货从业证号：F03133676） 投资咨询业务资格：证监许可【2011】1290号 聚酯价格区间预测 | | 价格区间预测（月度） | 当前波动率（20日滚动） | 当前波动率历史百分位（3年） | | --- | --- | --- | --- | | 乙二醇 | 4150-4650 | 18.69% | 42.7% | | PX | 6300-6900 | 25.01% | 80.1% | | PTA | 4400-4900 | 23.92% | 71.7% | | 瓶片 | 5700-6250 | 19.33% | 63.7% | source： 南华研究,同花顺 聚酯套保策略表 聚酯产业链前期自中美联合声明出台以后，终端纺服订单恢复，下游情绪明显回暖，长丝库存大幅 去化，聚酯原料端在偏强的供需格局驱动下走势偏强，估值横向对比均处于偏高水平。目前来看，抢出口 实际对需求的提振不及预期，聚酯减产信号存在较大落地可能性，需求预期边际转弱下，聚酯板块成为资 金空配压估值的选择。紧张的 ...

聚酯产业风险管理日报：乙烷风波再起，近端几无影响 2025/06/06 戴一帆（投资咨询证号：Z0015428） 周嘉伟（期货从业证号：F03133676） 投资咨询业务资格：证监许可【2011】1290号 聚酯价格区间预测 | | 价格区间预测（月度） | 当前波动率（20日滚动） | 当前波动率历史百分位（3年） | | --- | --- | --- | --- | | 乙二醇 | 4150-4650 | 18.68% | 42.7% | | PX | 6300-6900 | 25.89% | 81.1% | | PTA | 4400-4900 | 24.52% | 73.7% | | 瓶片 | 5700-6250 | 19.62% | 64.1% | source： 南华研究,同花顺 聚酯套保策略表 | 行为导 | 情景分析 | 现货敞 | 策略推荐 | 套保工具 买卖方 | | 套保比例 | 建议入场 | | --- | --- | --- | --- | --- | --- | --- | --- | | 向 | | 口 | | | 向 | （%） | 区间 | | 库存管 | 产成品库存偏高，担 ...