Core Viewpoint - The polyester industry in China plays a crucial role in providing 70% of textile raw materials and is closely linked to daily life, with the Zhengzhou Commodity Exchange (ZCE) developing a comprehensive risk management system for the polyester supply chain since the launch of PTA futures in 2006 [1][2]. Group 1: Risk Management Development - The ZCE has focused on addressing industry pain points by establishing a robust risk management framework for the polyester supply chain, starting with the launch of PTA futures in December 2006 [2]. - The introduction of PTA options in 2019 and short fiber futures in 2020 expanded the risk management tools available to the polyester industry, with further developments in 2023 including PX futures and options [2][3]. Group 2: Functional Impact on the Polyester Industry - The ZCE's polyester futures have significantly transformed trade practices, enhancing supply chain resilience and supporting high-quality development in the polyester sector [4]. - Since 2010, PTA futures have become a key reference for spot pricing, with nearly 100% of PTA spot trades now priced based on "futures price + premium/discount" [4][5]. Group 3: Internationalization and Price Influence - The ZCE is actively working to enhance the international pricing influence of polyester futures, allowing foreign investors to participate in trading since 2018 and hosting international forums to promote these products [6][7]. - The integration of PTA futures into international trade has improved negotiation efficiency and solidified supply chain relationships, exemplified by companies like Hengyi Petrochemical using PTA futures as a pricing benchmark in contracts [7][8]. Group 4: Future Directions - The ZCE aims to refine existing products, expand international outreach, and strengthen regulatory measures to continue supporting the manufacturing sector and contribute to new industrialization efforts [8].

Group 1: Report Summary - The report is an energy and chemical options strategy morning report dated November 27, 2025, covering various energy and chemical options including energy, polyolefins, polyesters, alkali chemicals, etc [2][3] - The overall strategy is to construct option portfolio strategies mainly as sellers, along with spot hedging or covered strategies to enhance returns [3] Group 2: Underlying Futures Market Overview - The report provides the latest prices, price changes, price change percentages, trading volumes, volume changes, open interests, and open interest changes of multiple underlying futures contracts such as crude oil, liquefied gas, methanol, etc [4] Group 3: Option Factor - Volume and Open Interest PCR - It presents the volume and open interest PCR data of different option varieties, which are used to describe the strength of the underlying option market and the turning point of the underlying market respectively [5] Group 4: Option Factor - Pressure and Support Levels - The pressure and support levels of each option variety are analyzed from the perspective of the strike prices with the largest open interest of call and put options [6] Group 5: Option Factor - Implied Volatility - The report shows the implied volatility data of various options, including at - the - money implied volatility, weighted implied volatility, and its changes, etc [7] Group 6: Strategy and Recommendations for Each Option Variety Crude Oil - Fundamental analysis: US refinery demand has stabilized and rebounded, shale oil production has little fluctuation, OPEC short - term supply is flat, and there are short - term export fluctuations in Libya [8] - Market analysis: The price showed a complex trend of rising and falling in different months [8] - Option factor research: Implied volatility is above the average, open interest PCR is below 0.8, pressure level is 540, and support level is 430 [8] - Strategy: Construct bear spread portfolio for directional strategy, sell call + put options for volatility strategy, and use long collar strategy for spot hedging [8] Liquefied Gas - Fundamental analysis: US propane inventory is high, and crude oil price is affected by supply and geopolitical issues [10] - Market analysis: The price has shown a trend of decline and rebound with pressure [10] - Option factor research: Implied volatility has dropped significantly, open interest PCR is around 0.8, pressure level is 4500, and support level is 4000 [10] - Strategy: Use a neutral call + put option selling strategy for volatility, and long collar strategy for spot hedging [10] Methanol - Fundamental analysis: Port and enterprise inventories are decreasing [10] - Market analysis: The price has been in a weak trend [10] - Option factor research: Implied volatility is around the historical average, open interest PCR is below 0.6, pressure level is 2300, and support level is 2000 [10] - Strategy: Construct bear spread portfolio for directional strategy, sell call + put options for volatility strategy, and use long collar strategy for spot hedging [10] Ethylene Glycol - Fundamental analysis: Port inventory is expected to increase at a slower pace, and the supply - demand balance is expected to improve [11] - Market analysis: The price has been in a weak trend [11] - Option factor research: Implied volatility is below the average, open interest PCR is below 0.7, pressure level is 4500, and support level is 3800 [11] - Strategy: Construct bear spread portfolio for directional strategy, sell options for volatility strategy, and use long + put + short call strategy for spot hedging [11] Polypropylene - Fundamental analysis: Polyolefin inventory pressure is large [11] - Market analysis: The price has been in a weak trend [11] - Option factor research: Implied volatility has dropped to around the average, open interest PCR is around 0.7, pressure level is 7000, and support level is 6300 [11] - Strategy: Construct bear spread portfolio for directional strategy, and use long + put + short call strategy for spot hedging [11] Rubber - Fundamental analysis: Tire factory operating rates are decreasing, and inventory is changing from explicit to implicit [12] - Market analysis: The price has been in a weak consolidation trend [12] - Option factor research: Implied volatility has decreased to below the average, open interest PCR is below 0.6, pressure level is 16000, and support level is 15000 [12] - Strategy: Use a bearish call + put option selling strategy for volatility [12] PTA - Fundamental analysis: PTA inventory has increased slightly, and it is expected to enter a de - stocking phase [12] - Market analysis: The price has shown a trend of rebound with pressure [12] - Option factor research: Implied volatility is above the average, open interest PCR is around 0.7, pressure level is 4700, and support level is 4300 [12] - Strategy: Use a neutral call + put option selling strategy for volatility [12] Caustic Soda - Fundamental analysis: The average utilization rate of caustic soda production capacity has increased [13] - Market analysis: The price has been in a weak bearish trend [13] - Option factor research: Implied volatility is at a relatively high level, open interest PCR is below 0.6, pressure level is 3000, and support level is 2200 [13] - Strategy: Construct bear spread portfolio for directional strategy, and use long collar strategy for spot hedging [13] Soda Ash - Fundamental analysis: Soda ash factory inventory has decreased [13] - Market analysis: The price has been in a low - level weak consolidation trend [13] - Option factor research: Implied volatility is at a relatively high historical level, open interest PCR is below 0.6, pressure level is 1860, and support level is 1100 [13] - Strategy: Construct bear spread portfolio for directional strategy, sell options for volatility strategy, and use long collar strategy for spot hedging [13] Urea - Fundamental analysis: Enterprise inventory has decreased, and port inventory is expected to increase [14] - Market analysis: The price has shown a trend of low - level consolidation and rebound [14] - Option factor research: Implied volatility is around the historical average, open interest PCR is below 0.6, pressure level is 1800, and support level is 1600 [14] - Strategy: Use a neutral call + put option selling strategy for volatility, and use long + put + short call strategy for spot hedging [14] Group 7: Charts for Each Option Variety - Each option variety has corresponding price charts, volume and open interest charts, open interest PCR charts, implied volatility charts, historical volatility cone charts, and pressure and support level charts [16][37][57]

1. Report Industry Investment Rating - Not provided in the given content 2. Core View of the Report - The energy and chemical sector is divided into energy, alcohols, polyolefins, rubber, polyesters, alkalis, and others. For each sector, option strategies and suggestions are provided for selected varieties. Each option variety's report includes analysis of the underlying asset's market, research on option factors, and option strategy recommendations [8]. 3. Summary by Relevant Contents 3.1 Futures Market Overview - The report presents the latest prices, price changes, price change percentages, trading volumes, volume changes, open interest, and open interest changes of various energy and chemical futures contracts, including crude oil, liquefied petroleum gas (LPG), methanol, ethylene glycol, etc. For example, the latest price of crude oil (SC2601) is 455, with a price change of -3 and a change percentage of -0.61% [3]. 3.2 Option Factors - Volume and Open Interest PCR - The report provides volume and open interest PCR data for different option varieties. The open interest PCR = put option open interest / call option open interest, which describes the strength of the option underlying asset's market; the volume PCR = put option trading volume / call option trading volume, which indicates whether the underlying asset's market is at a turning point [4]. 3.3 Option Factors - Pressure and Support Levels - The pressure and support levels of each option variety are given, along with the corresponding strike prices, pressure point offsets, and support point offsets. For instance, the pressure point of crude oil (SC2601) is 540 with an offset of -50, and the support point is 460 with an offset of 0 [5]. 3.4 Option Factors - Implied Volatility - The report includes data on the at-the-money implied volatility, weighted implied volatility, weighted implied volatility changes, annual average implied volatility, call option implied volatility, put option implied volatility, historical 20-day volatility, and the difference between implied and historical volatility for each option variety [6]. 3.5 Strategy and Suggestions 3.5.1 Energy Options - **Crude Oil**: The fundamental situation shows that U.S. refinery demand has stabilized and rebounded, shale oil production has slightly increased, OPEC exports have increased, and European refinery demand is about to enter the peak season. The market has shown a complex price trend since August. Option factors indicate that the implied volatility is above the average, the open interest PCR is below 0.80, and the pressure and support levels are 540 and 460 respectively. Strategies include constructing a short call + put option combination for volatility, and a long collar strategy for spot hedging [7]. - **LPG**: The cost of crude oil is affected by supply and geopolitical issues. The LPG market has shown an oversold rebound and slight consolidation since August. Option factors show that the implied volatility has dropped to below the average, the open interest PCR is around 0.80, and the pressure and support levels are 4400 and 4200 respectively. Strategies include constructing a neutral short call + put option combination for volatility, and a long collar strategy for spot hedging [9]. 3.5.2 Alcohol Options - **Methanol**: Port and enterprise inventories are at high levels and difficult to reduce significantly in the short term. The market has been weak since August. Option factors indicate that the implied volatility is around the historical average, the open interest PCR is below 0.80, and the pressure and support levels are 2500 and 2000 respectively. Strategies include constructing a bear spread with put options for direction, a short call + put option combination for volatility, and a long collar strategy for spot hedging [9]. - **Ethylene Glycol**: Port and downstream inventories are high, and domestic production and imports are expected to keep the port inventory in an accumulation cycle. The market has been weak. Option factors show that the implied volatility is below the average, the open interest PCR is around 0.70, and the pressure and support levels are 4500 and 4050 respectively. Strategies include constructing a bear spread with put options for direction, a short volatility strategy for volatility, and a long collar strategy for spot hedging [10]. 3.5.3 Polyolefin Options - **Polypropylene**: PE and PP inventories show different trends. The market has been weak. Option factors indicate that the implied volatility has dropped to around the average, the open interest PCR is around 0.70, and the pressure and support levels are 7000 and 6300 respectively. Strategies include constructing a bear spread with put options for direction, and a long collar strategy for spot hedging [10]. 3.5.4 Rubber Options - **Rubber**: Exchange rubber warehouse receipts are at a ten-year low, and there is an expectation of inventory accumulation. The market has been in a weak consolidation. Option factors show that the implied volatility has dropped to below the average after a sharp rise, the open interest PCR is below 0.60, and the pressure and support levels are 16000 and 14500 respectively. Strategies include constructing a short call + put option combination for volatility [11]. 3.5.5 Polyester Options - **PTA**: The overall social inventory of PTA is increasing, and new installations are expected to continue to increase inventory. The market has shown a rebound with pressure. Option factors indicate that the implied volatility is above the average, the open interest PCR is around 0.70, and the pressure and support levels are 4700 and 4300 respectively. Strategies include constructing a neutral short call + put option combination for volatility [11]. 3.5.6 Alkali Options - **Caustic Soda**: The capacity utilization rate of caustic soda enterprises has increased. The market has been weak. Option factors show that the implied volatility is at a relatively high level, the open interest PCR is below 0.80, and the pressure and support levels are 3000 and 2000 respectively. Strategies include constructing a bear spread for direction, and a long collar strategy for spot hedging [12]. - **Soda Ash**: The factory inventory of soda ash has increased. The market has been in a low-level weak consolidation. Option factors indicate that the implied volatility is at a relatively high historical level, the open interest PCR is below 0.60, and the pressure and support levels are 1860 and 1100 respectively. Strategies include constructing a bear spread for direction, a short volatility combination for volatility, and a long collar strategy for spot hedging [12]. 3.5.7 Other Options - **Urea**: Enterprise inventory is at a high level, and port inventory is decreasing. The market has shown a low-level rebound. Option factors show that the implied volatility is around the historical average, the open interest PCR is below 0.60, and the pressure and support levels are 1800 and 1600 respectively. Strategies include constructing a neutral short call + put option combination for volatility, and a long collar strategy for spot hedging [13].

Report Overview - The report focuses on energy and chemical options, covering various sectors such as energy, alcohols, polyolefins, rubber, polyesters, alkalis, etc. It provides an analysis of the underlying market, option factors, and offers option strategies and suggestions for each selected option variety [8]. 1. Market Overview of Underlying Futures 1.1 Price and Volume Changes - The report presents the latest prices, price changes, price change percentages, trading volumes, volume changes, open interests, and open interest changes of multiple energy and chemical futures contracts. For example, the latest price of crude oil (SC2601) is 462, with a price increase of 2 and a price change percentage of 0.43%. Its trading volume is 2.93 million lots, an increase of 0.34 million lots, and the open interest is 2.55 million lots, an increase of 0.16 million lots [3]. 2. Option Factors Analysis 2.1 Volume and Open Interest PCR - The volume and open interest PCR of various option varieties are analyzed. For instance, the volume PCR of crude oil options is 1.00, with a change of 0.15, and the open interest PCR is 0.66, with a change of 0.01. These indicators are used to describe the strength of the option underlying market and the turning point of the underlying market [4]. 2.2 Pressure and Support Levels - The pressure and support levels of option underlying assets are determined based on the strike prices of the maximum open interest of call and put options. For example, the pressure level of crude oil is 500, and the support level is 450 [5]. 2.3 Implied Volatility - The implied volatility of options is analyzed, including at - the - money implied volatility, weighted implied volatility, and its changes, annual average implied volatility, call and put implied volatility, historical volatility, and the difference between implied and historical volatility. For example, the at - the - money implied volatility of crude oil options is 24.1, the weighted implied volatility is 28.90, with a change of 0.91 [6]. 3. Option Strategies and Suggestions for Different Varieties 3.1 Crude Oil Options - **Underlying Market Analysis**: The demand of US refineries has stabilized and rebounded. Shale oil production has slightly increased, and OPEC exports have increased. The European refined oil inventory is in a low - level destocking state, and the crude oil inventory has increased. The crude oil market showed a short - term weak and volatile trend in August, continued to be weak and bearish in September and then gradually rebounded, fell sharply in October and then stopped falling and rebounded, and has shown a weak and bearish sharp decline since November [7]. - **Option Factor Research**: The implied volatility of crude oil options has decreased to near the average. The open interest PCR is below 0.80, indicating a weak market. The pressure level is 500, and the support level is 450 [7]. - **Option Strategy Suggestions**: Directional strategy: None. Volatility strategy: Construct a short - biased call + put option combination strategy to obtain option time value and directional returns, and dynamically adjust the position to keep the delta of the position short. Spot long - hedging strategy: Construct a long collar strategy, holding spot long + buying put options + selling out - of - the - money call options [7]. 3.2 Other Option Varieties - Similar analyses and strategy suggestions are provided for other option varieties such as liquefied petroleum gas, methanol, ethylene glycol, etc., including underlying market analysis, option factor research, and option strategy suggestions [9][10][11]. 4. Charts - The report includes a series of charts for different option varieties, such as price charts, volume and open interest charts, PCR charts, implied volatility charts, historical volatility cone charts, and pressure and support level charts, to visually present the market conditions and option factors of each option variety [14][36][54].

1. Report Industry Investment Rating - Not provided in the document 2. Core View of the Report - The energy and chemical sector is divided into energy, alcohols, polyolefins, rubber, polyesters, alkalis, and others. For each sector, options strategies and recommendations are provided for selected varieties. Options strategy reports are compiled based on the analysis of the underlying market, option factor research, and option strategy recommendations for each option variety. Strategies mainly involve constructing option combination strategies focused on sellers, as well as spot hedging or covered strategies to enhance returns [8]. 3. Summary by Relevant Catalogs 3.1 Futures Market Overview - The latest prices, price changes, price change percentages, trading volumes, volume changes, open interests, and open interest changes of various energy and chemical option underlying futures contracts are presented. For example, the latest price of crude oil (SC2512) is 464, with a price increase of 4 and a price change percentage of 0.91%, trading volume of 8.02 million lots, volume change of -2.85 million lots, open interest of 2.96 million lots, and open interest change of -0.19 million lots [3]. 3.2 Option Factors - Volume and Open Interest PCR - Volume and open interest PCR data for various energy and chemical options are provided. Volume PCR is used to describe whether the underlying market has a turning point, and open interest PCR is used to describe the strength of the option underlying market. For example, the volume PCR of crude oil options is 0.90, with a change of -0.03, and the open interest PCR is 0.66, with a change of -0.03 [4]. 3.3 Option Factors - Pressure and Support Levels - Pressure and support levels for various energy and chemical option underlying contracts are analyzed from the perspective of the strike prices with the largest open interest of call and put options. For example, the pressure level of crude oil (SC2512) is 500, and the support level is 440 [5]. 3.4 Option Factors - Implied Volatility - Implied volatility data for various energy and chemical options are presented, including at-the-money implied volatility, weighted implied volatility, weighted implied volatility changes, annual average implied volatility, call implied volatility, put implied volatility, historical 20 - day volatility, and the difference between implied and historical volatility. For example, the at-the-money implied volatility of crude oil options is 27.935%, the weighted implied volatility is 29.69%, with a change of -0.19% [6]. 3.5 Strategy and Recommendations 3.5.1 Energy Options - Crude Oil - Fundamental analysis: US refinery demand has stabilized and rebounded. During the recent oil price decline, shale oil production did not significantly decrease. OPEC exports have increased, but most are absorbed by China, so there is no obvious visible inventory in the market. In Europe, the overall refined oil inventory is in a low - level destocking state, and the crude oil inventory has increased, but refinery demand is about to enter the peak season, and the diesel crack spread remains high [7]. - Market analysis: Since July, crude oil prices have gradually weakened and then consolidated in a range. In August, prices first rose and then fell, showing short - term weak fluctuations. In September, the market continued to be weak and bearish before gradually rebounding. In October, prices fell sharply and then stopped falling and rebounded [7]. - Option factor research: The implied volatility of crude oil options has declined to near the average level. The open interest PCR of options is below 0.80, indicating that crude oil has been in a weak market recently. From the perspective of options, the pressure level of crude oil is 500, and the support level is 450 [7]. - Option strategy recommendations: Directional strategy: None. Volatility strategy: Construct a short - neutral call + put option combination strategy to obtain option time value and directional returns, and dynamically adjust the position to keep the position delta neutral. Spot long - hedging strategy: Construct a long collar strategy, holding a spot long position + buying a put option + selling an out - of - the - money call option [7]. 3.5.2 Energy Options - Liquefied Petroleum Gas (LPG) - Fundamental analysis: The cost - end crude oil is under pressure from oversupply on one hand and geopolitical issues on the other. Last week, the crude oil price fluctuated around the $65 mark, and OPEC maintained its production increase. US propane inventories continue to accumulate, and the inventory is at a historical high, waiting for an inventory inflection point [9]. - Market analysis: Since August, LPG prices have accelerated their decline, then rebounded and rose, but the upward movement was blocked and then declined. In September, prices first rose and then fell rapidly. In October, prices were first weak and then strong, gradually rebounding and rising, followed by slight fluctuations, showing an oversold rebound market with resistance above [9]. - Option factor research: The implied volatility of LPG options has significantly declined to near the lower - than - average level. The open interest PCR of LPG options is around 0.80, indicating that LPG has been in a weak market recently. From the perspective of options, the pressure level of LPG is 4500, and the support level is 4000 [9]. - Option strategy recommendations: Directional strategy: None. Volatility strategy: Construct a short - neutral call + put option combination strategy to obtain option time value and directional returns, and dynamically adjust the position to keep the position delta neutral. Spot long - hedging strategy: Construct a long collar strategy, holding a spot long position + buying a put option + selling an out - of - the - money call option [9]. 3.5.3 Alcohol Options - Methanol - Fundamental analysis: The port inventory of methanol is 150.65 million tons, with a month - on - month decrease of 0.57 million tons, remaining in a high - level shock state and difficult to effectively destock. The enterprise inventory is 37.61 million tons, with a month - on - month increase of 1.57 million tons, and the year - on - year level is low. The enterprise's pending orders are 21.56 million tons, with a month - on - month decrease of 0.01 million tons [9]. - Market analysis: In July, methanol prices rose and then fell, continuously declining and weakening, followed by significant fluctuations. Since August, prices have gradually weakened and trended downward. In September, prices consolidated at a low level and then rebounded. Since October, the market has continued to be weak and bearish, showing a weak market trend with resistance above [9]. - Option factor research: The implied volatility of methanol options fluctuates around the historical average level. The open interest PCR of methanol options is below 0.80, indicating that methanol has been in a weak and fluctuating market recently. From the perspective of options, the pressure level of methanol is 2300, and the support level is 2200 [9]. - Option strategy recommendations: Directional strategy: Construct a bear spread strategy of put options to obtain directional returns. Volatility strategy: Construct a short - bearish call + put option combination strategy to obtain option time value, and dynamically adjust the position to keep the position delta bearish. Spot long - hedging strategy: Construct a long collar strategy, holding a spot long position + buying a put option + selling an out - of - the - money call option. When the market rebounds to the high strike price, close the position in combination with spot sales [9]. 3.5.4 Alcohol Options - Ethylene Glycol - Fundamental analysis: The port inventory of ethylene glycol is 52.3 million tons, with a month - on - month destocking of 5.6 million tons; the downstream factory inventory days are 13.4 days, with a month - on - month decrease of 0.1 days. In the short term, the arrival volume was high last week, and the departure volume was moderately low. The port inventory is expected to accumulate. The domestic production load is at a high level, and the overseas arrival volume is increasing, so ethylene glycol has entered an inventory accumulation period [10]. - Market analysis: In July, ethylene glycol prices were in a low - level weak consolidation and gradually rose, then fell rapidly. In August, prices continued to show slight weak consolidation. Since September, the market has continued to be weak and bearish, showing a weak market trend with resistance above [10]. - Option factor research: The implied volatility of ethylene glycol options fluctuates around the lower - than - average level. The open interest PCR of options is around 0.70, indicating that the bearish force of ethylene glycol has been relatively strong recently. From the perspective of options, the pressure level of ethylene glycol is 4500, and the support level is 4050 [10]. - Option strategy recommendations: Directional strategy: Construct a bear spread strategy of put options to obtain directional returns. Volatility strategy: Construct a short - volatility strategy to obtain time value returns. Spot long - hedging strategy: Hold a spot long position + buy a put option + sell an out - of - the - money call option [10]. 3.5.5 Polyolefin Options - Polypropylene - Fundamental analysis: The inventory of PE production enterprises is 51.46 million tons, with a month - on - month destocking of - 2.81%, and a year - on - year inventory increase of 2.02%; the inventory of PE traders is 5.00 million tons, with a month - on - month destocking of - 0.70%. The inventory of PP production enterprises is 63.85 million tons, with a month - on - month destocking of - 5.92%, and a year - on - year inventory increase of 12.69%; the inventory of PP traders is 22.00 million tons, with a month - on - month destocking of - 7.80%; the port inventory of PP is 6.68 million tons, with a month - on - month destocking of - 1.62%. The overall inventory pressure of PP is higher than that of PE [10]. - Market analysis: Since July, the decline of polypropylene prices has narrowed, gradually stabilized, and slightly fluctuated upwards, then fell rapidly. In August, prices maintained slight weak fluctuations. Since September, the market has continued to be weak and bearish. In October, prices fell rapidly and then fluctuated at a low level, showing a weak market trend with bearish pressure above [10]. - Option factor research: The implied volatility of polypropylene options has declined to near the average level. The open interest PCR of options is around 0.70, indicating that polypropylene has been weak recently. From the perspective of options, the pressure level of polypropylene is 7000, and the support level is 6300 [10]. - Option strategy recommendations: Directional strategy: None. Volatility strategy: None. Spot long - hedging strategy: Hold a spot long position + buy an at - the - money put option + sell an out - of - the - money call option [10]. 3.5.6 Rubber Options - Rubber - Fundamental analysis: The social inventory of natural rubber in China is 103.89 million tons, with a month - on - month decrease of 1.1 million tons, a decline of 1%. The total inventory of natural rubber in bonded and general trade in Qingdao is 43.22 million tons, with a month - on - month decrease of 0.53 million tons, a decline of 1.2%. The bonded area inventory is 6.87 million tons, a decline of 1.29%; the general trade inventory is 36.35 million tons, a decline of 1.18% [11]. - Market analysis: Since July, rubber prices have continued to rise in the short term and then reached a peak and fell back. In August, prices gradually recovered and rose, then fluctuated in a range. Since September, the market has continued to be weak and bearish. In October, prices continued to be weak and fluctuated at a low level, showing a weak consolidation market trend with support below and resistance above [11]. - Option factor research: The implied volatility of rubber options has rapidly increased and then declined to near the lower - than - average level. The open interest PCR of rubber options is below 0.60. From the perspective of options, the pressure level of rubber has significantly moved down to 17000, and the support level is 14000 [11]. - Option strategy recommendations: Directional strategy: None. Volatility strategy: Construct a short - bearish call + put option combination strategy to obtain option time value and directional returns, and dynamically adjust the position to keep the position delta bearish. Spot hedging strategy: None [11]. 3.5.7 Polyester Options - PTA - Fundamental analysis: The operating load of PTA is 78%, with a month - on - month decrease of 0.8%. In terms of equipment, Yisheng Dalian and Weilian Chemical slightly reduced their loads, Zhongtai is restarting, and the new plant of Shanshan Energy has been put into production. The expected maintenance volume of PTA in November will increase significantly, and the overall load is under great pressure under low processing fees [11]. - Market analysis: In August, PTA prices fell back, then slightly consolidated, and then rebounded rapidly, but the upward movement was blocked and then declined. Since September, the market has continued to be weak and bearish. In October, prices first fell and then rose, followed by slight fluctuations, showing a weak and bearish market trend with resistance above [11]. - Option factor research: The implied volatility of PTA options fluctuates at a relatively high level compared to the average. The open interest PCR of PTA options is around 0.70, indicating that PTA has been in a fluctuating market recently. From the perspective of options, the pressure level of PTA is 4600, and the support level is 4300 [11]. - Option strategy recommendations: Directional strategy: None. Volatility strategy: Construct a short - bearish call + put option combination strategy to obtain option time value, and dynamically adjust the position to keep the position delta bearish. Spot hedging strategy: None [11]. 3.5.8 Energy and Chemical Options - Caustic Soda - Fundamental analysis: The average utilization rate of the production capacity of Chinese caustic soda sample enterprises with a capacity of 200,000 tons and above is 84.3%, a month - on - month increase of 3.5%. By region, the production loads in the northwest, north, east, northeast, and south have all increased [12]. - Market analysis: In July, caustic soda prices first rose and then fell. In August, prices fell rapidly and then gradually rebounded, showing short - term bullish upward movement and then high - level fluctuations. Since September, prices have continuously closed with negative candles and gradually weakened. In October, prices fell rapidly, showing a weak and bearish market trend with resistance above recently [12]. - Option factor research: The implied volatility of caustic soda options fluctuates at a relatively high level. The open interest PCR of caustic soda options is below 0.8, indicating that caustic soda has been in a weak and fluctuating market recently. From the perspective of options, the pressure level of caustic soda is 2600, and the support level is 2240 [12]. - Option strategy recommendations: Directional strategy: Construct a bear spread strategy to obtain directional returns. Volatility strategy: None. Spot collar hedging strategy: Hold a spot long position + buy a put option + sell an out - of - the - money call option [12]. 3.5.9 Energy and Chemical Options - Soda Ash - Fundamental analysis: As of October 31, 2025, the in - plant inventory of soda ash is 170.2 million tons, with a month - on - month decrease of 0.01 million tons; the inventory available days are 14.11 days, remaining unchanged month - on - month. The in - plant inventory of heavy soda ash is 88.64 yuan/ton, with a month - on - month decrease of 4.81 yuan/ton; the in - plant inventory of light soda ash is 81.56 yuan/ton, with a month - on - month increase of 4.80 yuan/ton [12]. - Market analysis: Since August, soda ash prices have continued to show weak consolidation. In September, prices fluctuated slightly at a low level and were weak. In October, the market continued to be weak, recently showing a low - level weak fluctuating market trend with support below [12]. - Option factor research: The implied volatility of soda ash options fluctuates at a relatively high historical level. The open interest PCR of soda ash options is below 0.60, indicating strong bearish pressure. From the perspective of options, the pressure level of soda ash is 1300, and the support level is 1100 [12]. - Option strategy recommendations: Directional strategy: Construct a bear spread strategy to obtain directional returns. Volatility strategy: Construct a short - volatility combination strategy to obtain volatility returns. Spot long - hedging strategy: Construct a long collar strategy, holding a spot long position + buying a put option + selling an out - of - the - money call option [12]. 3.5.10 Energy and Chemical Options - Urea - Fundamental analysis: The enterprise inventory of urea is 155.43 million tons, with a month - on - month decrease of 7.59 million tons. Some reserve demands have followed up, and the enterprise inventory has decreased from a high level. The port inventory is 11 million tons, with a month - on - month decrease of 10 million tons, and ports in many places have loaded and cleared the inventory [13]. - Market analysis: In July, urea prices fluctuated widely in a large range under the bearish pressure line and then rose rapidly. In August, prices continued to fluctuate widely

1. Report Industry Investment Rating - Not provided in the content 2. Core Viewpoints of the Report - The energy and chemical sector is mainly divided into energy, alcohols, polyolefins, rubber, polyesters, alkalis, and others. Strategies focus on constructing option portfolios mainly as sellers and spot hedging or covered strategies to enhance returns [3][9] 3. Summary by Relevant Catalogs 3.1 Futures Market Overview - Various energy and chemical futures contracts show different price movements, trading volumes, and open interest changes. For example, the latest price of crude oil (SC2512) is 465, down 4 with a decline of 0.75%, and its trading volume is 10.93 million lots with a decrease of 5.34 million lots [4] 3.2 Option Factors - Volume and Open Interest PCR - The PCR indicators of different option varieties reflect the strength of the option underlying market and the turning point of the underlying market. For instance, the open interest PCR of crude oil options is 0.82, an increase of 0.08 [5] 3.3 Option Factors - Pressure and Support Levels - From the perspective of the strike prices with the largest open interest of call and put options, the pressure and support levels of different option underlying are identified. For example, the pressure level of crude oil is 500 and the support level is 450 [6] 3.4 Option Factors - Implied Volatility - The implied volatility of different option varieties shows different levels and changes. For example, the weighted implied volatility of crude oil options is 32.00%, an increase of 0.33% [7] 3.5 Option Strategies and Recommendations 3.5.1 Energy Options - Crude Oil - Fundamental analysis shows that US refinery demand has stabilized and rebounded, and OPEC exports have increased. The option implied volatility has declined to near the average, and the open interest PCR indicates a weak market. Strategies include constructing a short - neutral call + put option combination strategy and a long collar strategy for spot hedging [8] 3.5.2 Energy Options - Liquefied Petroleum Gas (LPG) - The US market faces pressure from high production and inventory, and the Middle East exports are relatively stable. The option implied volatility has dropped significantly to below the average, and the open interest PCR indicates a weak market. Similar strategies to crude oil are recommended [10] 3.5.3 Alcohol Options - Methanol - Port and enterprise inventories show certain trends. The option implied volatility fluctuates around the historical average, and the open interest PCR indicates a weak and oscillating market. Strategies involve constructing a short - bearish call + put option combination strategy and a long collar strategy for spot hedging [10] 3.5.4 Alcohol Options - Ethylene Glycol - The load and inventory of ethylene glycol show specific changes. The option implied volatility fluctuates below the average, and the open interest PCR indicates strong bearish power. Strategies include constructing a bearish spread combination strategy of put options and a short - volatility strategy [11] 3.5.5 Polyolefin Options - Polypropylene - The inventory of polypropylene and polyethylene shows different trends. The option implied volatility has declined to near the average, and the open interest PCR indicates a weak market. A long collar strategy for spot hedging is recommended [11] 3.5.6 Rubber Options - The rubber market has a certain trading atmosphere, and the option implied volatility has decreased to below the average after a sharp increase. The open interest PCR is below 0.60. A short - bearish call + put option combination strategy is recommended [12] 3.5.7 Polyester Options - PTA - The PTA load and maintenance situation show specific characteristics. The option implied volatility fluctuates at a relatively high level, and the open interest PCR indicates an oscillating market. A short - bearish call + put option combination strategy is recommended [12] 3.5.8 Alkali Options - Caustic Soda - The caustic soda market has certain supply and demand characteristics. The option implied volatility is at a high level, and the open interest PCR indicates a weak and oscillating market. A bearish spread combination strategy and a long collar strategy for spot hedging are recommended [13] 3.5.9 Alkali Options - Soda Ash - The inventory of soda ash shows specific changes. The option implied volatility is at a relatively high historical level, and the open interest PCR indicates strong bearish pressure. A short - volatility combination strategy and a long collar strategy for spot hedging are recommended [13] 3.5.10 Urea Options - The enterprise and port inventories of urea show specific trends. The option implied volatility fluctuates around the historical average, and the open interest PCR indicates strong bearish pressure. A short - neutral call + put option combination strategy and a spot hedging strategy are recommended [14]

1. Report Industry Investment Rating - Not provided in the document 2. Core Views of the Report - The energy - chemical sector is mainly divided into energy, alcohols, polyolefins, rubber, polyesters, alkalis, and others [9] - Options strategies and suggestions are provided for selected varieties in each sector [9] - The option strategy report for each option variety is compiled according to the underlying market analysis, option factor research, and option strategy suggestions [9] 3. Summary by Relevant Content 3.1 Underlying Futures Market Overview - Various option varieties' underlying contracts' latest prices, price changes, price change rates, trading volumes, volume changes, open interests, and open interest changes are presented, such as crude oil (SC2512) with a latest price of 470, a price increase of 16, and a price change rate of 3.48% [4] 3.2 Option Factors - Volume and Open Interest PCR - Volume PCR and open interest PCR for different option varieties are given, along with their changes, which are used to describe the strength of the option underlying market and the turning point of the underlying market [5] 3.3 Option Factors - Pressure and Support Levels - Pressure and support levels for different option varieties are analyzed from the perspective of the strike prices with the largest open interests of call and put options [6] 3.4 Option Factors - Implied Volatility - Implied volatility data for different option varieties are provided, including at - the - money implied volatility, weighted implied volatility, and its changes, etc. [7] 3.5 Option Strategies and Suggestions 3.5.1 Energy - related Options - **Crude Oil**: Fundamentals involve OPEC's production increase and US shale oil production. The market has shown different trends from July to October. Option factors indicate a decline in implied volatility, a weak market according to open interest PCR, and specific pressure and support levels. Strategies include a volatility strategy of selling a neutral call + put option combination and a spot long - hedging strategy of constructing a long collar [8] - **Liquefied Petroleum Gas (LPG)**: Fundamentals show a decrease in domestic LPG production in September. The market has experienced ups and downs. Option factors suggest a decline in implied volatility, a weak market, and specific pressure and support levels. Strategies include a volatility strategy of selling a neutral call + put option combination and a spot long - hedging strategy of constructing a long collar [10] 3.5.2 Alcohol - related Options - **Methanol**: Fundamentals involve port and enterprise inventories. The market has been weak. Option factors indicate that implied volatility fluctuates around the historical average, a weak - oscillating market, and specific pressure and support levels. Strategies include a volatility strategy of selling a bearish call + put option combination and a spot long - hedging strategy of constructing a long collar [10] - **Ethylene Glycol**: Fundamentals show inventory changes. The market has been weak. Option factors suggest that implied volatility fluctuates below the average, strong bearish power, and specific pressure and support levels. Strategies include a directional strategy of constructing a bearish spread of put options, a volatility strategy of shorting volatility, and a spot long - hedging strategy [11] 3.5.3 Polyolefin - related Options - **Polypropylene**: Fundamentals involve inventory changes. The market has been weak. Option factors indicate a decline in implied volatility to around the average, a weak market, and specific pressure and support levels. Strategies include a spot long - hedging strategy of holding a spot long position, buying an at - the - money put option, and selling an out - of - the - money call option [11] 3.5.4 Rubber - related Options - **Rubber**: Fundamentals show inventory changes. The market has been in a weak consolidation. Option factors suggest that implied volatility has decreased to around the average, a relatively strong bullish market according to open interest PCR, and specific pressure and support levels. Strategies include a volatility strategy of selling a bearish call + put option combination [12] 3.5.5 Polyester - related Options - **PTA**: Fundamentals show inventory accumulation. The market has been weak. Option factors indicate that implied volatility fluctuates at a relatively high level, an oscillating market, and specific pressure and support levels. Strategies include a volatility strategy of selling a bearish call + put option combination [12] 3.5.6 Alkali - related Options - **Caustic Soda**: Fundamentals show a decline in production capacity utilization. The market has been weak. Option factors suggest high - level volatility of implied volatility, a weak - oscillating market, and specific pressure and support levels. Strategies include a directional strategy of constructing a bearish spread and a spot collar - hedging strategy [13] - **Soda Ash**: Fundamentals show an increase in factory inventory. The market has been in a low - level weak oscillation. Option factors indicate that implied volatility fluctuates at a relatively high historical level, strong bearish pressure, and specific pressure and support levels. Strategies include a volatility strategy of shorting volatility and a spot long - hedging strategy of constructing a long collar [13] 3.5.7 Other Options - **Urea**: Fundamentals show an increase in enterprise and port inventories. The market has been in a low - level weak oscillation. Option factors suggest that implied volatility fluctuates around the historical average, strong bearish pressure, and specific pressure and support levels. Strategies include a directional strategy of constructing a bearish spread of put options, a volatility strategy of selling a bearish call + put option combination, and a spot long - hedging strategy [14] 3.6 Option Charts - Charts for various option varieties, such as crude oil, LPG, methanol, etc., are provided, including price trends, trading volume and open interest, open interest PCR, implied volatility, historical volatility cones, and pressure and support levels [15][36][54]

Report Industry Investment Rating No relevant information provided. Core View of the Report The report analyzes the activity, price changes, market volatility, and sentiment of the commodity options market in the 34th week of 2025 (August 18 - August 22). It suggests investors focus on trading opportunities in actively traded varieties and provides insights on potential risks and opportunities based on price movements and volatility [1][2]. Summary by Directory 1. Commodity Options Market Activity - Market activity declined compared to last week, with average daily trading volume at 6.46 million lots and average daily open interest at 7.32 million lots, down 26.6% and 28.23% respectively [1][6]. - Actively traded varieties included soda ash (590,000 lots), glass (510,000 lots), and palm oil (400,000 lots) [1][6]. - Three varieties saw trading volume growth of over 100%, with p-xylene (+1327%), synthetic rubber (+125%), and staple fiber (+122%) showing significant increases [1][6]. - Varieties with significant trading volume declines were rapeseed meal (-85%), rapeseed oil (-85%), and soybean oil (-72%) [1][6]. - Varieties with high average daily open interest were rebar (630,000 lots), soda ash (620,000 lots), and soybean meal (600,000 lots) [1][6]. - Varieties with rapid open interest growth were p-xylene (+188%), synthetic rubber (+77%), and polysilicon (+50%) [1][6]. 2. This Week's Commodity Options Main Data Review - **Underlying Price Changes**: Most commodity option underlying futures declined, with 37 varieties closing lower for the week. High weekly gainers included caustic soda (+4.26%), p-xylene (+4.16%), and staple fiber (+3.34%); high weekly losers were lithium carbonate (-9.14%), soda ash (-4.95%), and ferrosilicon (-9.14%) [2][15]. - **Market Volatility**: The implied volatility of some commodity options declined weekly, with 39 varieties having current implied volatility below the 50th percentile of the past year. Varieties at historical highs included polysilicon, eggs, and industrial silicon; those at historical lows included the agricultural products sector and non-ferrous metals [2][15]. - **Options Market Sentiment**: Varieties such as lithium carbonate and soybean meal had high volume PCRs, indicating strong short-term bearish sentiment. Varieties like ethylene glycol, styrene, aluminum, and PTA had low volume PCRs, showing concentrated short-term bullish sentiment. Lithium carbonate, polysilicon, caustic soda, and soda ash had high open interest PCRs, suggesting high bearish sentiment; while styrene, ethylene glycol, nickel, and plastic had low open interest PCRs, indicating bullish sentiment accumulation [2][15]. 3. Key Data Overview of Major Varieties This chapter presents key data on major varieties, including trading volume, volatility, and options market sentiment indicators. More detailed data can be accessed on the Dongzheng Fanwei official website (https://www.finoview.com.cn/) [19]. - **Energy**: Data on crude oil, including trading volume, volatility, open interest PCR, and volume PCR, are presented through various charts [20][22][23]. - **Chemicals**: - **PTA**: Data on trading volume, volatility, open interest PCR, and volume PCR are presented through charts [26][27][29]. - **Caustic Soda**: Similar data are presented for caustic soda [35][36][38]. - **Glass**: Data on glass are presented in a similar manner [42][43][44]. - **Soda Ash**: Data on soda ash are presented through charts [48][49][52]. - **Precious Metals**: Data on silver, including trading volume, volatility, open interest PCR, and volume PCR, are presented through charts [54][55][56]. - **Ferrous Metals**: - **Iron Ore**: Data on iron ore are presented through charts [62][63][66]. - **Silicomanganese**: Similar data are presented for silicomanganese [70][71][72]. - **Non-Ferrous Metals**: - **Copper**: Data on copper are presented through charts [77][78][84]. - **Alumina**: Data on alumina are presented in a similar manner [93][88][90]. - **Agricultural Products**: - **Soybean Meal**: Data on soybean meal are presented through charts [94][96][98]. - **Palm Oil**: Similar data are presented for palm oil [102][110][103]. - **Cotton**: Data on cotton are presented through charts [111][112][113].

1. Report Industry Investment Rating - Not provided in the document 2. Core Viewpoints of the Report - The report analyzes the fundamentals, market trends, and volatility of various energy and chemical options, and provides corresponding strategy recommendations [3] 3. Summary by Relevant Catalogs 3.1 Energy and Chemical Option Classification - Energy and chemical options are mainly divided into five categories: basic chemicals, energy, polyester chemicals, polyolefin chemicals, and other chemicals [3] 3.2 Basic Chemicals Sector - **Methanol Options**: The price is under pressure and shows a weak and bearish trend. Implied volatility is above the historical average. A bearish combination strategy of call + put options is recommended [3] - **Rubber Options/Synthetic Rubber Options**: The market shows a weak consolidation and oscillation pattern under bearish pressure. Implied volatility is at a relatively high historical level. A bearish volatility - selling strategy is recommended [3] - **Styrene Options**: Affected by the Sino - US tariff war, downstream demand is weak. The market shows a large - fluctuation and weak trend. Implied volatility remains at a relatively high historical level. A volatility - selling option combination strategy is recommended [4] 3.3 Oil and Gas Sector - **Crude Oil Options**: OPEC+ increases supply, but exports do not increase significantly. The market shows a large - fluctuation pattern under bearish pressure. Implied volatility remains at a relatively high level. A volatility - selling strategy is recommended [4] - **Liquefied Gas Options**: The price has a short - term weak rebound under pressure. Implied volatility is above the historical average. A bearish call + put option combination strategy is recommended, and the position delta should be adjusted dynamically [4] 3.4 Polyester Chemicals Sector - **PX Options/PTA Options**: PTA load is decreasing, and inventory is decreasing year - on - year. The market shows a mild bullish trend under bearish pressure. Implied volatility remains at a relatively high level. A volatility - selling strategy is recommended [5] - **Ethylene Glycol Options**: Port inventory is increasing, and downstream inventory days are rising. The market shows a large - oscillation and short - term weak bearish trend. Implied volatility has risen rapidly to a relatively high historical level. A volatility - selling strategy is recommended [5] - **Short - Fiber Options**: Polyester load is high, but short - fiber load is slightly decreasing. The market shows a rebound pattern under bearish pressure. Implied volatility remains at a relatively high average level. A volatility - selling call + put option combination strategy is recommended [5] 3.5 Polyolefin Chemicals Sector - **Polypropylene Options**: Inventory shows different trends among producers, traders, and ports. The market shows a large - oscillation and weak pattern. Implied volatility is at a relatively high historical level. A bearish call + put option combination strategy is recommended, and the position delta should be adjusted dynamically [6] - **Polyethylene Options**: Producer and trader inventories are increasing. The market shows a weak consolidation pattern under pressure. Implied volatility has risen rapidly to a relatively high level. A bearish directional strategy is recommended [6] - **PVC Options**: Factory and social inventories are decreasing year - on - year. The market shows a weak bearish downward trend. Implied volatility remains at a relatively low level. A bearish directional strategy is recommended [6] 3.6 Data Summary - **Option Underlying Market Data**: Includes closing prices, price changes, trading volumes, and open interest of various option underlying assets [8] - **Option Volume, Open Interest, and Turnover Data**: Volume, open interest, and turnover data of various options, as well as their changes [9] - **Option Volume, Open Interest, and Turnover PCR Data**: PCR data and their changes of various options [10] - **Option Maximum Open Interest at Strike Prices**: Maximum open interest at strike prices, pressure points, and support points of various options [11] - **Option Implied Volatility Data**: Implied volatility, its changes, annual average, call and put implied volatilities, and historical volatility of various options [13]

1. Report Industry Investment Rating - No information provided in the content 2. Core Viewpoints of the Report - The report conducts fundamental, market, and volatility analyses of various energy and chemical options, and provides corresponding strategy operations and suggestions [2] 3. Summary by Relevant Catalogs 3.1 Energy and Chemical Option Classification - Energy and chemical options are mainly divided into 5 categories: basic chemicals, energy, polyester chemicals, polyolefin chemicals, and other chemicals [2] 3.2 Option Analysis and Strategy Suggestions for Each Category 3.2.1 Basic Chemicals Sector - **Methanol Option**: Last week, port inventory increased by 1.58 tons to 58.56 tons, enterprise inventory decreased by 0.19 tons to 31.24 tons, and enterprise orders to be delivered increased by 1.99 tons to 27.44 tons. The market continued to fluctuate weakly under the bearish pressure line. The implied volatility remained above the historical average. Suggest to construct a bearish combination strategy of call + put options to obtain time - value and directional returns, such as S_MA2506P2275, etc. [2] - **Rubber/Synthetic Rubber Option**: As of April 18, the all - steel tire operating rate was 67.44% (+0.23%), and the semi - steel tire operating rate was 72.40% (-1.99%). Qingdao port inventory decreased slightly, while social inventory increased slightly. The market showed a weak consolidation and oscillation pattern under the bearish pressure line. The implied volatility of rubber options was at a relatively high historical level. Suggest to construct a bearish volatility - selling strategy to obtain directional and time - value returns, such as S_RU2509P14250, etc. [2] - **Styrene Option**: As of April 17, 2025, the sample inventory of Chinese styrene factories was 21.84 tons, a decrease of 0.98 tons (-4.30%) from the previous period, and the sample port inventory in Jiangsu was 9.56 tons, a decrease of 2.34 tons (-19.66%). After reaching a high in late February, it continued to decline weakly, and after an accelerated decline in early April, it rebounded and oscillated in a range. The implied volatility continued to fluctuate at a relatively high historical level. Suggest to construct a volatility - selling option combination strategy to obtain time - value and directional returns, such as S_EB2506P7100, etc. [3] 3.2.2 Oil and Gas Sector - **Crude Oil Option**: OPEC plans to increase oil production by 411,000 barrels per day in May. US supply has declined. The short - term supply negatives have been fully released, and shale oil has started to cut production. The market showed large fluctuations under the bearish pressure line. The implied volatility remained at a relatively high level. Suggest to construct a volatility - selling strategy: a combination of selling put and call options to obtain time - value returns, such as S_SC2506P4 and S_SC2506C [3] - **Liquefied Gas Option**: Port storage capacity utilization was at a multi - year low, refinery storage capacity utilization was near the multi - year low, and gas station storage capacity utilization was at a one - year low. Port inventory was at a low level. The market showed a short - term weak rebound pattern with upper pressure. The implied volatility remained above the historical average. Suggest to construct a bearish call + put option combination strategy to obtain directional and time - value returns, adjust the position delta dynamically according to market changes, and close the position if the market rises or falls sharply, such as S_PG2506P4250, etc. [3] 3.2.3 Polyester Chemicals Sector - **PX/PTA Option**: The overall social inventory of PTA (excluding credit warehouse receipts) was 297.7 tons, a decrease of 7.3 tons from the previous period, continuing the de - stocking trend. The downstream load continued to rise, and the PTA maintenance season continued. The market showed a pattern of bearish decline with upper pressure, and then a sharp oscillation in the low - level range after an oversold rebound. The implied volatility of PTA options rose rapidly to a relatively high level. Suggest to construct a volatility - selling strategy to obtain time - value returns, such as S_TA2506P4250 [4] - **Ethylene Glycol Option**: As of April 14, port inventory was 77.1 tons, a decrease of 2.9 tons from the previous period; downstream factory inventory days were 13.5 days, an increase of 0.3 days. In the short term, port inventory is expected to accumulate. The market showed a pattern of short - term weak bearish large - scale oscillation with upper pressure. The implied volatility rose rapidly to a relatively high historical level. Suggest to construct a volatility - selling strategy to obtain time - value returns, such as S_EG2506P4050 [4] - **Short - Fiber Option**: Polyester load was 93.8%, an increase of 0.5%. Among them, filament load was 92.5%, a decrease of 2.5%; short - fiber load was 88.9%, unchanged; bottle chip load was 75.9%, unchanged. The market showed a pattern of bearish decline with upper pressure and low - level consolidation after an accelerated decline in April. The implied volatility remained at a relatively high average level. Suggest to construct a volatility - selling call + put option combination strategy to obtain time - value returns, such as S_PF2506P5800 [4] 3.2.4 Polyolefin Chemicals Sector - **Polypropylene Option**: PP production enterprise inventory was 61.91 tons, a week - on - week de - stocking of 2.83%, and a year - on - year stocking of 12.09%; PP trader inventory was 14.38 tons, a de - stocking of 4.26% from the previous week; PP port inventory was 7.60 tons, a de - stocking of 0.26% from the previous week. The market showed a pattern of large - scale oscillation with upper pressure and weakness. The implied volatility was fluctuating at a relatively high historical level. Suggest to construct a bearish call + put option combination strategy to obtain directional and time - value returns, adjust the position delta dynamically according to market changes, and close the position if the market rises or falls sharply, such as S_PP2506P7100 [5] - **Polyethylene Option**: PE production enterprise inventory was 49.7 tons, a week - on - week stocking of 3.41%, and a year - on - year stocking of 2.58%; PE trader inventory was 5.39 tons, a stocking of 4.58% from the previous week. The market showed a pattern of weak consolidation with upper pressure. The implied volatility of plastic options rose rapidly to a relatively high level. Suggest to construct a bearish directional strategy to obtain directional returns, such as B_L2506P7200 [5] - **PVC Option**: Factory inventory was 41.1 tons, a de - stocking of 4 tons; social inventory was 72.5 tons, a de - stocking of 2.8 tons; overall inventory was 113.6 tons, a de - stocking of 6.8 tons; the number of warehouse receipts increased. The market showed a pattern of oscillatory rebound with upper pressure. The implied volatility remained at a relatively low level. Suggest to construct a bearish directional strategy to obtain directional returns, such as B_V2506P4900 [5] 3.3 Option Data Summary - **Option Underlying Market Data**: Provides closing prices, price changes, trading volumes, and open interest changes of various option underlying assets [7] - **Option Volume, Open Interest, and Turnover Data**: Includes volume, volume changes, open interest, open interest changes, turnover, and turnover changes of various options [8] - **Option Volume, Open Interest, and Turnover PCR**: Presents volume - PCR, volume - PCR changes, open interest - PCR, open interest - PCR changes, turnover - PCR, and turnover - PCR changes of various options [9] - **Option Maximum Open Interest at Strike Price**: Lists the pressure points, support points, maximum call open interest, and maximum put open interest of various options [10] - **Option Implied Volatility**: Shows implied volatility, implied volatility changes, annual averages, call implied volatility, put implied volatility, HISV - 20, and volatility differences of various options [12]