1. Report Industry Investment Rating - Not provided in the given content 2. Core Viewpoints of the Report - The stock market shows a high - level volatile upward trend, with the Shanghai Composite Index, large - cap blue - chip stocks, small - and medium - cap stocks, and ChiNext stocks all in this state [3]. - The implied volatility of financial options has decreased but remains at a relatively high level of fluctuation [3]. - For ETF options, it is suitable to construct a bullish - biased seller strategy and a call option bull spread combination strategy; for index options, it is suitable to construct a bullish - biased seller strategy, a call option bull spread combination strategy, and an arbitrage strategy between synthetic long option futures and short futures [3]. 3. Summary by Relevant Catalogs 3.1 Financial Market Important Index Overview - The Shanghai Composite Index closed at 3,888.60, up 0.34% with a trading volume of 645.8 billion yuan, a decrease of 52.8 billion yuan [4]. - The Shenzhen Component Index closed at 12,984.08, up 0.85% with a trading volume of 940 billion yuan, a decrease of 71.2 billion yuan [4]. - The Shanghai 50 Index closed at 2,969.62, down 0.09% with a trading volume of 85 billion yuan, a decrease of 20.1 billion yuan [4]. - The CSI 300 Index closed at 4,526.66, up 0.25% with a trading volume of 341.8 billion yuan, a decrease of 76 billion yuan [4]. - The CSI 500 Index closed at 7,031.55, up 1.15% with a trading volume of 243.3 billion yuan, a decrease of 9.8 billion yuan [4]. - The CSI 1000 Index closed at 7,334.21, up 1.06% with a trading volume of 342.2 billion yuan, a decrease of 23.4 billion yuan [4]. 3.2 Option - Based ETF Market Overview - The Shanghai 50 ETF closed at 3.113, up 0.03% with a trading volume of 5.8919 million shares, a decrease of 1.99 billion yuan in trading value [5]. - The Shanghai 300 ETF closed at 4.635, up 0.28% with a trading volume of 5.1923 million shares, an increase of 1.77 billion yuan in trading value [5]. - The Shanghai 500 ETF closed at 7.135, up 1.21% with a trading volume of 1.7733 million shares, a decrease of 0.75 billion yuan in trading value [5]. - The Huaxia Science and Technology Innovation 50 ETF closed at 1.393, up 1.02% with a trading volume of 20.924 million shares, a decrease of 9.34 billion yuan in trading value [5]. - The E Fund Science and Technology Innovation 50 ETF closed at 1.350, up 1.05% with a trading volume of 7.7909 million shares, a decrease of 4.52 billion yuan in trading value [5]. - The Shenzhen 300 ETF closed at 4.783, up 0.31% with a trading volume of 1.0036 million shares, an increase of 0.73 billion yuan in trading value [5]. - The Shenzhen 500 ETF closed at 2.846, up 1.03% with a trading volume of 0.7437 million shares, an increase of 0.18 billion yuan in trading value [5]. - The Shenzhen 100 ETF closed at 3.370, up 0.36% with a trading volume of 0.7713 million shares, an increase of 0.11 billion yuan in trading value [5]. - The ChiNext ETF closed at 3.035, up 0.76% with a trading volume of 9.0925 million shares, a decrease of 10.67 billion yuan in trading value [5]. 3.3 Option Factor - Volume and Open Interest PCR - For the Shanghai 50 ETF option, the trading volume PCR was 1.02 (up 0.10), and the open interest PCR was 0.99 (up 0.01) [6]. - For the Shanghai 300 ETF option, the trading volume PCR was 1.18 (up 0.15), and the open interest PCR was 1.10 (up 0.03) [6]. - For the Shanghai 500 ETF option, the trading volume PCR was 1.24 (up 0.02), and the open interest PCR was 1.31 (up 0.04) [6]. - For the Huaxia Science and Technology Innovation 50 ETF option, the trading volume PCR was 0.87 (up 0.08), and the open interest PCR was 1.05 (up 0.02) [6]. - For the E Fund Science and Technology Innovation 50 ETF option, the trading volume PCR was 0.96 (up 0.17), and the open interest PCR was 0.91 (unchanged) [6]. - For the Shenzhen 300 ETF option, the trading volume PCR was 1.27 (up 0.09), and the open interest PCR was 1.07 (down 0.01) [6]. - For the Shenzhen 500 ETF option, the trading volume PCR was 1.29 (down 0.13), and the open interest PCR was 0.91 (up 0.03) [6]. - For the Shenzhen 100 ETF option, the trading volume PCR was 2.20 (down 0.46), and the open interest PCR was 1.53 (up 0.03) [6]. - For the ChiNext ETF option, the trading volume PCR was 1.15 (up 0.06), and the open interest PCR was 1.36 (up 0.04) [6]. - For the Shanghai 50 index option, the trading volume PCR was 0.65 (down 0.02), and the open interest PCR was 0.69 (down 0.02) [6]. - For the CSI 300 index option, the trading volume PCR was 0.65 (down 0.03), and the open interest PCR was 0.70 (down 0.01) [6]. - For the CSI 1000 index option, the trading volume PCR was 0.86 (down 0.04), and the open interest PCR was 0.97 (up 0.03) [6]. 3.4 Option Factor - Pressure and Support Points - The pressure point of the Shanghai 50 ETF was 3.20, and the support point was 3.10 [8]. - The pressure point of the Shanghai 300 ETF was 4.70, and the support point was 4.60 [8]. - The pressure point of the Shanghai 500 ETF was 7.25, and the support point was 4.90 [8]. - The pressure point of the Huaxia Science and Technology Innovation 50 ETF was 1.45, and the support point was 1.35 [8]. - The pressure point of the E Fund Science and Technology Innovation 50 ETF was 1.45, and the support point was 0.80 [8]. - The pressure point of the Shenzhen 300 ETF was 5.00, and the support point was 3.50 [8]. - The pressure point of the Shenzhen 500 ETF was 2.85, and the support point was 2.05 [8]. - The pressure point of the Shenzhen 100 ETF was 3.61, and the support point was 2.34 [8]. - The pressure point of the ChiNext ETF was 3.10, and the support point was 3.00 [8]. - The pressure point of the Shanghai 50 index was 3,000, and the support point was 2,900 [8]. - The pressure point of the CSI 300 index was 4,500, and the support point was 4,500 [8]. - The pressure point of the CSI 1000 index was 7,400, and the support point was 7,000 [8]. 3.5 Option Factor - Implied Volatility - The at - the - money implied volatility of the Shanghai 50 ETF option was 12.44%, and the weighted implied volatility was 12.91% (down 0.20%) [11]. - The at - the - money implied volatility of the Shanghai 300 ETF option was 14.15%, and the weighted implied volatility was 14.10% (down 0.19%) [11]. - The at - the - money implied volatility of the Shanghai 500 ETF option was 17.69%, and the weighted implied volatility was 18.46% (down 0.41%) [11]. - The at - the - money implied volatility of the Huaxia Science and Technology Innovation 50 ETF option was 26.79%, and the weighted implied volatility was 27.41% (down 1.08%) [11]. - The at - the - money implied volatility of the E Fund Science and Technology Innovation 50 ETF option was 40.56%, and the weighted implied volatility was 28.28% (down 0.92%) [11]. - The at - the - money implied volatility of the Shenzhen 300 ETF option was 14.28%, and the weighted implied volatility was 17.38% (down 0.70%) [11]. - The at - the - money implied volatility of the Shenzhen 500 ETF option was 18.20%, and the weighted implied volatility was 21.78% (down 3.80%) [11]. - The at - the - money implied volatility of the Shenzhen 100 ETF option was 18.34%, and the weighted implied volatility was 24.74% (down 1.92%) [11]. - The at - the - money implied volatility of the ChiNext ETF option was 26.22%, and the weighted implied volatility was 26.88% (down 1.00%) [11]. - The at - the - money implied volatility of the Shanghai 50 index option was 12.56%, and the weighted implied volatility was 13.55% (up 0.08%) [11]. - The at - the - money implied volatility of the CSI 300 index option was 14.08%, and the weighted implied volatility was 14.42% (down 0.32%) [11]. - The at - the - money implied volatility of the CSI 1000 index option was 18.05%, and the weighted implied volatility was 18.34% (down 0.64%) [11]. 3.6 Strategy and Recommendations - The financial options sector is divided into large - cap blue - chip stocks, small - and medium - sized boards, and the ChiNext board. Specific sub - sectors and corresponding option varieties are provided [13]. - For each sub - sector, option strategies and recommendations are given based on the analysis of the underlying asset market, option factor research, and specific option strategies [13][14]. - For example, for the Shanghai 50 ETF in the financial stock sector, a seller - neutral combination strategy can be constructed for volatility strategies, and a spot long - covered call strategy can also be considered [14].

1. Report Industry Investment Rating - No relevant information provided 2. Core Viewpoints - No clear core viewpoints presented in the given content 3. Summary by Related Catalogs 3.1 50ETF - From November 26 - 28, 2025, the 50ETF price changed from 3.114 to 3.113, with corresponding daily changes of 0.13%, -0.06%, and 0.03%. The current month IV decreased from 12.36% to 11.87% [1]. - The near - 1 - year and near - 2 - year current month IV quantiles on November 28 were 19.50% and 19.00% respectively [1]. 3.2 Shanghai 300ETF - From November 26 - 28, 2025, the Shanghai 300ETF price changed from 4.626 to 4.635, with daily changes of 0.63%, -0.09%, and 0.28%. The current month IV decreased from 14.02% to 13.63% [4]. - The near - 1 - year and near - 2 - year current month IV quantiles on November 28 were 25.30% and 31.60% respectively [4]. 3.3 Shenzhen 300ETF - From November 26 - 28, 2025, the Shenzhen 300ETF price changed from 4.778 to 4.783, with daily changes of 0.80%, -0.21%, and 0.31%. The current month IV decreased from 14.09% to 13.77% [7]. - The near - 1 - year and near - 2 - year current month IV quantiles on November 28 were 28.50% and 32.90% respectively [7]. 3.4 Shanghai CSI 500ETF - From November 26 - 28, 2025, the Shanghai CSI 500ETF price changed from 7.065 to 7.135, with daily changes of 1.36%, -0.06%, and 0.99%. The current month IV decreased from 17.97% to 17.29% [16]. - The near - 1 - year and near - 2 - year current month IV quantiles on November 28 were 29.70% and 29.40% respectively [16]. 3.5 Shenzhen CSI 500ETF - From November 26 - 28, 2025, the Shenzhen CSI 500ETF price changed from 2.825 to 2.846, with daily changes of 0.18%, -0.28%, and 1.03%. The current month IV decreased from 18.98% to 18.19% [27]. - The near - 1 - year and near - 2 - year current month IV quantiles on November 28 were 39.50% and 41.50% respectively [27]. 3.6 ChiNext ETF - From November 26 - 28, 2025, the ChiNext ETF price changed from 3.027 to 3.035, with daily changes of 2.23%, -0.50%, and 0.76%. The current month IV decreased from 26.05% to 25.49% [34]. - The near - 1 - year and near - 2 - year current month IV quantiles on November 28 were 50.60% and 60.30% respectively [34]. 3.7 Shenzhen 100ETF - From November 26 - 28, 2025, the Shenzhen 100ETF price changed from 3.370 to 3.370, with daily changes of 1.72%, -0.36%, and 0.36%. The current month IV decreased from 18.41% to 17.75% [43]. - The near - 1 - year and near - 2 - year current month IV quantiles on November 28 were 33.80% and 42.90% respectively [43]. 3.8 Science and Technology Innovation 50ETF - From November 26 - 28, 2025, the Science and Technology Innovation 50ETF price changed from 1.382 to 1.393, with daily changes of 0.95%, -0.22%, and 1.02%. The current month IV decreased from 26.80% to 26.29% [51]. - The near - 1 - year and near - 2 - year current month IV quantiles on November 28 were 35.10% and 35.50% respectively [51]. 3.9 Star 50ETF - From November 26 - 28, 2025, the Star 50ETF price changed from 1.340 to 1.350, with daily changes of 1.13%, -0.30%, and 1.05%. The current month IV decreased from 27.18% to 27.09% [56]. - The near - 1 - year and near - 2 - year current month IV quantiles on November 28 were 35.90% and 38.30% respectively [56]. 3.10 300 Index - From November 26 - 28, 2025, the 300 Index price changed from 4517.626 to 4526.662, with daily changes of 0.61%, -0.05%, and 0.25%. The current month IV decreased from 13.89% to 13.83% [65]. - The near - 1 - year and near - 2 - year current month IV quantiles on November 28 were 33.40% and 31.20% respectively [65]. 3.11 1000 Index - From November 26 - 28, 2025, the 1000 Index price changed from 7248.449 to 7334.210, with daily changes of -0.02%, 0.12%, and 1.06%. The current month IV decreased from 18.68% to 17.07% [70]. - The near - 1 - year and near - 2 - year current month IV quantiles on November 28 were 14.70% and 23.60% respectively [70]. 3.12 Shanghai 50 Index - From November 26 - November 28, 2025, the Shanghai 50 Index price changed from 2971.799 to 2969.617, with daily changes of 0.12%, 0.02%, and -0.09%. The current month IV decreased from 12.13% to 11.89% [75]. - The near - 1 - year and near - 2 - year current month IV quantiles on November 28 were 8.10% and 8.50% respectively [75].

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 No relevant content provided. 2. Core View of the Report - The agricultural product options market shows a mixed trend, with oilseeds and oils, as well as some agricultural by - products, experiencing weak oscillations, while soft commodities like sugar and cotton have their own specific trends. - It is recommended to construct option portfolio strategies mainly based on sellers, along with spot hedging or covered strategies to enhance returns [2]. 3. Summary by Relevant Catalogs 3.1 Futures Market Overview - Different agricultural product futures have various price changes, trading volumes, and open interest changes. For example, the price of soybean No.1 (A2601) is 4,098, down 5 with a decline of 0.12%, and its trading volume is 10.87 million lots, down 0.75 million lots [3]. 3.2 Option Factors - Volume and Open Interest PCR - The volume and open interest PCR of different agricultural product options vary, which can be used to analyze the strength and turning points of the underlying asset market. For instance, the volume PCR of soybean No.1 is 0.74, with a change of 0.16, and the open interest PCR is 1.01, with a change of 0.00 [4]. 3.3 Option Factors - Pressure and Support Levels - The pressure and support levels of different agricultural product options are determined by the strike prices with the largest open interest of call and put options. For example, the pressure level of soybean No.1 is 4200, and the support level is 4050 [5]. 3.4 Option Factors - Implied Volatility - The implied volatility of different agricultural product options shows different levels and changes. For example, the at - the - money implied volatility of soybean No.1 is 11.145%, and the weighted implied volatility is 12.42%, down 0.25% [6]. 3.5 Strategy and Recommendations 3.5.1 Oilseeds and Oils Options - **Soybean No.1**: The fundamental situation is affected by factors such as China's purchase of US soybeans and the decline in Brazilian soybean import costs. The market shows a rebound after a decline. Option strategies include constructing a neutral call + put option selling combination and a long collar strategy for spot hedging [7]. - **Soybean Meal**: The average daily trading volume and delivery volume of soybean meal have increased, and the basis has also risen. The market shows a rebound after a decline. Option strategies include constructing a bearish call + put option selling combination and a long collar strategy for spot hedging [9]. - **Palm Oil**: Malaysia's palm oil production and inventory situation may lead to a weak bearish market. Option strategies include constructing a bearish spread of put options, a bearish call + put option selling combination, and a long collar strategy for spot hedging [9]. - **Peanut**: The spot price of peanuts is weak, and the supply pressure is gradually releasing. The market shows a weak bearish trend. The option strategy is to hold a long spot + buy put options + sell out - of - the - money call options [10]. 3.5.2 Agricultural By - products Options - **Pig**: The supply and demand of pigs have changed, and the market shows a weak bearish trend. Option strategies include constructing a bearish call + put option selling combination and a covered call strategy for spot [10]. - **Egg**: The domestic egg price has declined, and the market shows a volatile rebound. Option strategies include constructing a neutral call + put option selling combination [11]. - **Apple**: The apple production has decreased significantly this year, and the market shows a continuous rebound and high - level oscillation. Option strategies include constructing a bullish call + put option selling combination and a long collar strategy for spot hedging [11]. - **Jujube**: The jujube acquisition progress in Xinjiang varies by region, and the market shows a weak bearish trend. Option strategies include constructing a bearish wide - straddle option selling combination and a covered call strategy for spot [12]. 3.5.3 Soft Commodities Options - **Sugar**: The spot price of sugar has declined, and the market shows a weak bearish trend. Option strategies include constructing a bearish call + put option selling combination and a long collar strategy for spot hedging [12]. - **Cotton**: The global cotton production has increased, and the market shows a short - term weak trend. Option strategies include constructing a bearish call + put option selling combination and a covered call strategy for spot [13]. 3.5.4 Grains Options - **Corn**: The national average corn price has increased, and the market shows a weak rebound. Option strategies include constructing a bullish call + put option selling combination [13].

1. Report Industry Investment Rating - Not provided in the content 2. Core Viewpoints of the Report - The stock market shows a high - level volatile upward trend, with the Shanghai Composite Index, large - cap blue - chip stocks, small - and medium - cap stocks, and ChiNext stocks all experiencing such a market condition [2] - The implied volatility of financial options has decreased but remains at a relatively high level of fluctuation [2] - For ETF options, it is suitable to construct a long - biased buyer strategy and a bullish spread strategy for call options; for index options, it is suitable to construct a long - biased seller strategy, a bullish spread strategy for call options, and an arbitrage strategy between the synthetic long futures of options and short futures [2] 3. Summary by Relevant Catalogs 3.1 Financial Market Important Index Overview - The Shanghai Composite Index closed at 3,870.02, up 33.26 points or 0.87%, with a trading volume of 722.8 billion yuan and an increase of 7.2 billion yuan [3] - The Shenzhen Component Index closed at 12,777.31, up 192.23 points or 1.53%, with a trading volume of 1089.4 billion yuan and an increase of 77.1 billion yuan [3] - The Shanghai 50 Index closed at 2,968.20, up 17.64 points or 0.60%, with a trading volume of 98 billion yuan and a decrease of 12.2 billion yuan [3] - The CSI 300 Index closed at 4,490.40, up 42.36 points or 0.95%, with a trading volume of 411.5 billion yuan and a decrease of 14.3 billion yuan [3] - The CSI 500 Index closed at 6,954.60, up 85.64 points or 1.25%, with a trading volume of 289.2 billion yuan and an increase of 19 billion yuan [3] - The CSI 1000 Index closed at 7,249.95, up 93.54 points or 1.31%, with a trading volume of 404.2 billion yuan and an increase of 35.2 billion yuan [3] 3.2 Option - Based ETF Market Overview - The Shanghai 50 ETF closed at 3.110, up 0.016 or 0.52%, with a trading volume of 5.7006 million shares and a decrease of 1.43 billion yuan in trading value [4] - The Shanghai 300 ETF closed at 4.597, up 0.040 or 0.88%, with a trading volume of 8.9594 million shares and a decrease of 11.49 billion yuan in trading value [4] - The Shanghai 500 ETF closed at 7.054, up 0.084 or 1.21%, with a trading volume of 6.0436 million shares and an increase of 13.86 billion yuan in trading value [4] 3.3 Option Factors - Volume and Position PCR - For the Shanghai 50 ETF option, the trading volume PCR is 0.88 (down 0.14), and the position PCR is 0.78 (up 0.02) [5] - For the Shanghai 300 ETF option, the trading volume PCR is 1.15 (up 0.06), and the position PCR is 0.84 (up 0.02) [5] - For the Shanghai 500 ETF option, the trading volume PCR is 1.21 (up 0.04), and the position PCR is 1.01 (up 0.04) [5] 3.4 Option Factors - Pressure and Support Points - The pressure point of the Shanghai 50 ETF is 3.20, and the support point is 3.10 [7] - The pressure point of the Shanghai 300 ETF is 4.80, and the support point is 4.60 [7] - The pressure point of the Shanghai 500 ETF is 7.25, and the support point is 7.00 [7] 3.5 Option Factors - Implied Volatility - The at - the - money implied volatility of the Shanghai 50 ETF option is 12.10%, and the weighted implied volatility is 14.06% (down 2.30%) [10] - The at - the - money implied volatility of the Shanghai 300 ETF option is 14.83%, and the weighted implied volatility is 15.60% (down 1.82%) [10] - The at - the - money implied volatility of the Shanghai 500 ETF option is 19.04%, and the weighted implied volatility is 20.33% (down 0.53%) [10] 3.6 Strategy and Recommendations - The financial options sector is divided into large - cap blue - chip stocks, small - and medium - sized boards, and the ChiNext board. Each board selects some varieties for option strategy recommendations [12] - For the Shanghai 50 ETF, construct a seller - neutral combination strategy for volatility, and a long - spot plus short - call option strategy for the underlying asset [13] - For the Shanghai 300 ETF, construct a short - volatility strategy by selling call and put options, and a long - spot plus short - call option strategy for the underlying asset [13]

1. Report Industry Investment Rating - Not provided in the document 2. Core Viewpoints of the Report - The stock market shows a high - level oscillating upward trend for the Shanghai Composite Index, large - cap blue - chip stocks, small - and medium - cap stocks, and ChiNext stocks [2]. - The implied volatility of financial options has declined but remains at a relatively high level of fluctuation [2]. - For ETF options, it is suitable to construct a bullish buyer strategy and a call option bull spread combination strategy; for stock index options, it is suitable to construct a bullish seller strategy, a call option bull spread combination strategy, and an arbitrage strategy between synthetic long futures of options and short futures [2]. 3. Summary by Relevant Catalogs 3.1 Financial Market Important Indexes - The Shanghai Composite Index closed at 3,834.89, down 96.16 points or 2.45%, with a trading volume of 824.9 billion yuan and an increase of 113.6 billion yuan in trading volume [3]. - The Shenzhen Component Index closed at 12,538.07, down 442.75 points or 3.41%, with a trading volume of 1,140.7 billion yuan and an increase of 143.9 billion yuan in trading volume [3]. - The Shanghai 50 Index closed at 2,955.85, down 52.44 points or 1.74%, with a trading volume of 126.3 billion yuan and an increase of 25.3 billion yuan in trading volume [3]. - The CSI 300 Index closed at 4,453.61, down 111.34 points or 2.44%, with a trading volume of 481.3 billion yuan and an increase of 66.2 billion yuan in trading volume [3]. - The CSI 500 Index closed at 6,817.41, down 244.54 points or 3.46%, with a trading volume of 311 billion yuan and an increase of 56.8 billion yuan in trading volume [3]. - The CSI 1000 Index closed at 7,067.70, down 272.71 points or 3.72%, with a trading volume of 408.7 billion yuan and an increase of 52 billion yuan in trading volume [3]. 3.2 Option - Based ETF Market - The Shanghai 50 ETF closed at 3.101, down 0.055 or 1.74%, with a trading volume of 7.9264 million shares and an increase of 7.8877 million shares in trading volume, and a trading value of 2.474 billion yuan and an increase of 1.249 billion yuan in trading value [4]. - The Shanghai 300 ETF closed at 4.564, down 0.112 or 2.40%, with a trading volume of 14.964 million shares and an increase of 14.9078 million shares in trading volume, and a trading value of 6.884 billion yuan and an increase of 4.24 billion yuan in trading value [4]. - Other ETFs also have corresponding closing prices, price changes, trading volumes, and trading value changes [4]. 3.3 Option Factors - Volume and Position PCR - The trading volume PCR and position PCR of different option varieties have different values and changes, which can be used to analyze the strength of the option underlying and the turning point of the market [5][6]. 3.4 Option Factors - Pressure and Support Points - The pressure and support points of different option varieties can be seen from the strike prices of the maximum open interest of call and put options [7][9]. 3.5 Option Factors - Implied Volatility - The implied volatility of different option varieties is measured by the at - the - money implied volatility and the weighted implied volatility, and there are differences in their values and changes [10][11]. 3.6 Strategies and Recommendations - The financial option sector is divided into large - cap blue - chip stocks, small - and medium - cap stocks, and ChiNext stocks, and different sectors have corresponding option strategies and recommendations [12]. - For example, for the Shanghai 50 ETF, the underlying shows a high - level oscillating and falling trend, and a neutral - biased seller combination strategy can be constructed; for the Shanghai 300 ETF, a short - volatility strategy of selling call and put options can be constructed [13].

1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - The agricultural product options market shows a mixed trend, with oilseeds and oils showing a weak and volatile pattern, while agricultural by - products and soft commodities like sugar and cotton maintain a volatile or weak - consolidation trend [2]. - For investment strategies, it is recommended to construct option portfolio strategies mainly as sellers, along with spot hedging or covered strategies to enhance returns [2]. 3. Summary by Relevant Catalogs 3.1 Futures Market Overview - Multiple agricultural product futures show price changes. For example, the price of soybean No.1 (A2601) is 4,128, down 23 (-0.55%); soybean No.2 (B2601) is 3,742, down 15 (-0.40%); etc. [3]. 3.2 Option Factors - Volume and Open Interest PCR - Different option varieties have different volume and open - interest PCR values. For instance, the volume PCR of soybean No.1 is 0.48, and the open - interest PCR is 1.16 [4]. 3.3 Option Factors - Pressure and Support Levels - Each option variety has corresponding pressure and support levels. For example, the pressure point of soybean No.1 is 4,200, and the support point is 4,050 [5]. 3.4 Option Factors - Implied Volatility - Implied volatility varies among different option varieties. For example, the implied volatility of soybean No.1 is 11.405 (at - the - money implied volatility) [6]. 3.5 Option Strategies and Recommendations 3.5.1 Oilseeds and Oils Options - **Soybean No.1**: The fundamentals show that Brazilian soybean planting progress is slow, and the market has formed a pattern of oversold rebound. Option - related factors indicate that the implied volatility is below the historical average, and the open - interest PCR is below 0.70. Strategies include constructing a neutral short - call + short - put option combination strategy and a long - collar strategy for spot hedging [7]. - **Soybean Meal**: The fundamentals show changes in trading volume, delivery volume, basis, and inventory. The market shows a pattern of oversold rebound. Option - related factors indicate that the implied volatility is below the historical average, and the open - interest PCR is below 0.60. Strategies include constructing a neutral short - call + short - put option combination strategy and a long - collar strategy for spot hedging [9]. - **Palm Oil**: The fundamentals show that the spot basis of oils has increased slightly, and the total inventory is decreasing. The market shows a pattern of low - level consolidation. Option - related factors indicate that the implied volatility is below the historical average, and the open - interest PCR is above 1.00. Strategies include constructing a short - biased short - call + short - put option combination strategy and a long - collar strategy for spot hedging [9]. - **Peanuts**: The fundamentals show that the price of peanut oil is stable, and the peanut market is affected by factors such as farmers' reluctance to sell. The market shows a pattern of weak consolidation under bearish pressure. Option - related factors indicate that the implied volatility is at a relatively high historical level, and the open - interest PCR is below 0.60. Strategies include a long - collar strategy for spot hedging [10]. 3.5.2 Agricultural By - products Options - **Pigs**: The fundamentals show that the spot price of pigs has decreased, and the market shows a pattern of weak bearish decline. Option - related factors indicate that the implied volatility is above the historical average, and the open - interest PCR is below 0.50. Strategies include constructing a short - biased short - call + short - put option combination strategy and a long - covered strategy [10]. - **Eggs**: The fundamentals show changes in the inventory of laying hens. The market shows a pattern of rebound and slight consolidation under pressure. Option - related factors indicate that the implied volatility is at a relatively high level, and the open - interest PCR is below 0.60. Strategies include constructing a neutral short - call + short - put option combination strategy [11]. - **Apples**: The fundamentals show that the apple storage is nearing completion, and the inventory is lower than in previous years. The market shows a pattern of continuous rebound and high - level consolidation under pressure. Option - related factors indicate that the implied volatility is above the historical average, and the open - interest PCR is above 0.90. Strategies include constructing a long - biased short - call + short - put option combination strategy and a long - collar strategy for spot hedging [11]. - **Jujubes**: The fundamentals show that the purchase price of jujubes in different regions has changed, and the market shows a pattern of weak bearish decline. Option - related factors indicate that the implied volatility has risen rapidly to above the historical average, and the open - interest PCR is below 0.50. Strategies include constructing a short - biased short - strangle option combination strategy and a long - covered hedging strategy [12]. 3.5.3 Soft Commodities Options - **Sugar**: The fundamentals show an increase in sugar production in Brazil's central - southern region and India's sugar export policy. The market shows a pattern of weak bearish decline. Option - related factors indicate that the implied volatility is at a relatively low historical level, and the open - interest PCR is around 0.60. Strategies include constructing a short - biased short - call + short - put option combination strategy and a long - collar strategy for spot hedging [12]. - **Cotton**: The fundamentals show the progress of cotton picking, delivery, processing, and sales. The market shows a short - term weak pattern. Option - related factors indicate that the implied volatility is at a relatively low level, and the open - interest PCR is below 1.00. Strategies include constructing a short - biased short - call + short - put option combination strategy and a long - covered strategy [13]. 3.5.4 Grains Options - **Corn**: The fundamentals show an increase in the national average price of corn. The market shows a pattern of weak rebound under pressure. Option - related factors indicate that the implied volatility is at a relatively low historical level, and the open - interest PCR is below 0.60. Strategies include constructing a neutral short - call + short - put option combination strategy [13].

1. Report Industry Investment Rating No information provided in the content. 2. Report's Core View No clear core view is presented in the given content. It mainly provides historical data on various financial products, including ETFs and indices, such as price, daily change, implied volatility (IV), and IV quantiles. 3. Summary by Product 3.1 50ETF - From November 14 - 18, 2025, the price decreased from 3.183 to 3.150, with corresponding daily changes of -1.18%, -0.75%, and -0.28% [1]. - The current month's IV increased from 13.10% to 14.82%, and the next month's IV changed from 14.83% to 15.39% [1]. - The skew index on November 18, 2025, was 100.02 [2]. 3.2 Shanghai 300ETF - From November 14 - 18, 2025, the price decreased from 4.741 to 4.683, with daily changes of -1.48%, -0.65%, and -0.57% [3]. - The current month's IV changed from 15.40% to 16.15%, and the next month's IV changed from 16.58% to 16.86% [3]. - The skew index on November 18, 2025, was 108.77 [5]. 3.3 Shenzhen 300ETF - From November 14 - 18, 2025, the price decreased from 4.887 to 4.832, with daily changes of -1.55%, -0.63%, and -0.49% [6]. - The current month's IV increased from 15.26% to 17.03%, and the next month's IV increased from 16.63% to 17.39% [6]. - The skew index on November 18, 2025, was 110.08 [12]. 3.4 Shanghai CSI 500ETF - From November 14 - 18, 2025, the price decreased from 7.338 to 7.262, with daily changes of -0.24%, -1.73%, and -1.04% [15]. - The current month's IV changed from 19.01% to 19.60%, and the next month's IV changed from 20.04% to 19.82% [15]. - The skew index on November 18, 2025, was 104.88 [21]. 3.5 Shenzhen CSI 500ETF - From November 14 - 18, 2025, the price decreased from 2.930 to 2.899, with daily changes of -1.74%, -0.10%, and -0.96% [25]. - The current month's IV increased from 19.73% to 20.53%, and the next month's IV changed from 20.56% to 20.07% [25]. - The skew index on November 18, 2025, was 109.14 [29]. 3.6 ChiNext ETF - From November 14 - 18, 2025, the price decreased from 3.093 to 3.051, with daily changes of -2.80%, -0.29%, and -1.07% [30]. - The current month's IV changed from 29.76% to 29.37%, and the next month's IV changed from 29.60% to 28.92% [30]. - The skew index on November 18, 2025, was 101.69 [37]. 3.7 Shenzhen 100ETF - From November 14 - 18, 2025, the price decreased from 3.423 to 3.380, with daily changes of -2.04%, -0.68%, and -0.59% [42]. - The current month's IV changed from 23.07% to 21.33%, and the next month's IV changed from 22.13% to 21.03% [42]. - The skew index on November 18, 2025, was 103.33 [45]. 3.8 Science and Technology Innovation 50 ETF - From November 14 - 18, 2025, the price first decreased and then increased, from 1.431 to 1.427, with daily changes of -2.59%, -0.63%, and 0.35% [51]. - The current month's IV changed from 33.04% to 32.45%, and the next month's IV changed from 32.14% to 32.07% [51]. - The skew index on November 18, 2025, was 98.81 [53]. 3.9 STAR 50 ETF - From November 14 - 18, 2025, the price first decreased and then increased, from 1.387 to 1.383, with daily changes of -2.53%, -0.65%, and 0.36% [56]. - The current month's IV changed from 32.74% to 32.19%, and the next month's IV changed from 32.78% to 31.74% [56]. - The skew index on November 18, 2025, was 101.84 [62]. 3.10 300 Index - From November 14 - 18, 2025, the price decreased from 4628.140 to 4568.193, with daily changes of -1.57%, -0.65%, and -0.65% [68]. - The current month's IV changed from 14.19% to 15.67%, and the next month's IV changed from 16.75% to 17.18% [68]. - The skew index on November 18, 2025, was 111.43 [72]. 3.11 1000 Index - From November 14 - 18, 2025, the price first increased and then decreased, from 7502.757 to 7448.101, with daily changes of -1.16%, 0.27%, and -1.00% [73]. - The current month's IV increased from 17.46% to 19.75%, and the next month's IV changed from 19.71% to 19.61% [73]. - The skew index on November 18, 2025, was 114.04 [77]. 3.12 SSE 50 Index - From November 14 - 18, 2025, the price decreased from 3038.426 to 3003.018, with daily changes of -1.15%, -0.87%, and -0.30% [81]. - The current month's IV changed from 13.94% to 14.63%, and the next month's IV changed from 65.79% to 62.90% [81]. - The skew index on November 18, 2025, was 104.65 [84].

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].

1. Report Industry Investment Rating - Not provided in the content 2. Core Viewpoints of the Report - The agricultural products options market shows different trends. Oilseeds and oils are in a weak and volatile state, while other products like soft commodities and grains also have their own market trends. It is recommended to construct option portfolio strategies mainly as sellers and spot hedging or covered strategies to enhance returns [2] 3. Summary According to Relevant Catalogs 3.1 Futures Market Overview - Different agricultural product options have various price changes, trading volumes, and open interest changes. For example, the price of soybean No.1 (A2601) is 4,168, up 46 with a 1.12% increase in price, and its trading volume is 8.85 million lots with an increase of 0.91 million lots [3] 3.2 Option Factors - Volume and Open Interest PCR - PCR indicators are used to describe the strength of the option underlying market and the turning point of the underlying market. For instance, the volume PCR of soybean No.1 is 0.45 with a change of -0.23, and the open interest PCR is 1.19 with a change of -0.04 [4] 3.3 Option Factors - Pressure and Support Levels - From the perspective of the maximum open interest of call and put options, the pressure and support levels of the option underlyings are analyzed. For example, the pressure level of soybean No.1 is 4,200 and the support level is 4,050 [5] 3.4 Option Factors - Implied Volatility - Implied volatility indicators include at - the - money implied volatility, weighted implied volatility, etc. For example, the at - the - money implied volatility of soybean No.1 is 11.01%, and the weighted implied volatility is 12.15% with a change of 0.19 [6] 3.5 Strategy and Recommendations 3.5.1 Oilseeds and Oils Options - **Soybean No.1**: Fundamentally, the CNF premium of Brazilian soybeans in January 2026 decreased weekly, the import cost increased, and the planting progress in Brazil slowed down. The market trend has shown a rebound after a decline. Option - wise, the implied volatility is below the historical average, and the open interest PCR is below 0.70. Strategies include constructing a neutral call + put option combination strategy and a long collar strategy for spot hedging [7] - **Soybean Meal**: Fundamentally, the average daily trading volume and pick - up volume of soybean meal decreased weekly, and the basis increased slightly. The market has shown a rebound after a decline. Option - wise, the implied volatility is below the historical average, and the open interest PCR is below 0.60. Strategies include constructing a neutral call + put option combination strategy and a long collar strategy for spot hedging [9] - **Palm Oil**: Fundamentally, the production in Malaysia is good, and the inventory at the end of the year will be at a relatively high historical level. The market has shown a low - level consolidation. Option - wise, the implied volatility is below the historical average, and the open interest PCR is above 1.00. Strategies include constructing a short - biased call + put option combination strategy and a long collar strategy for spot hedging [9] - **Peanut**: Fundamentally, the peanut oil market is in a contradictory state of high - quality resource support and loose supply - demand. The market has shown a weak downward trend. Option - wise, the implied volatility is at a relatively high historical level, and the open interest PCR is below 0.60. Strategies include a long collar strategy for spot hedging [10] 3.5.2 Agricultural By - product Options - **Pig**: Fundamentally, the national pig slaughter and pork production increased in the first three quarters of 2025. The market has shown a weak downward trend. Option - wise, the implied volatility is above the historical average, and the open interest PCR is below 0.50. Strategies include constructing a short - biased call + put option combination strategy and a covered call strategy for spot [10] - **Egg**: Fundamentally, the market has a pattern of high supply and weak demand. The market has shown a rebound after a decline. Option - wise, the implied volatility is at a relatively high level, and the open interest PCR is below 0.60. Strategies include constructing a neutral call + put option combination strategy [11] - **Apple**: Fundamentally, the apple production decreased this year, and the cold - storage inventory is expected to be low. The market has shown a continuous upward trend. Option - wise, the implied volatility is above the historical average, and the open interest PCR is above 0.90. Strategies include constructing a long - biased call + put option combination strategy and a long collar strategy for spot hedging [11] - **Jujube**: Fundamentally, the jujube market price is stable, and the supply is sufficient. The market has shown a weak downward trend. Option - wise, the implied volatility has risen rapidly above the historical average, and the open interest PCR is below 0.50. Strategies include constructing a short - biased strangle option combination strategy and a covered call strategy for spot hedging [12] 3.5.3 Soft Commodity Options - **Sugar**: Fundamentally, the weak external sugar market restricts the rebound of Zhengzhou sugar, but the expected decline in Brazilian sugar production may have a certain impact. The market has shown a weak downward trend. Option - wise, the implied volatility is at a relatively low historical level, and the open interest PCR is around 0.60. Strategies include constructing a short - biased call + put option combination strategy and a long collar strategy for spot hedging [12] - **Cotton**: Fundamentally, the cotton harvest in Xinjiang is coming to an end, and the new - season supply will increase, putting pressure on cotton prices. The market has shown a short - term weak trend. Option - wise, the implied volatility is at a relatively low level, and the open interest PCR is below 1.00. Strategies include constructing a short - biased call + put option combination strategy and a covered call strategy for spot [13] 3.5.4 Grain Options - **Corn**: Fundamentally, the purchase price of domestic processing enterprises has decreased, and the market supply is relatively abundant. The market has shown a weak rebound. Option - wise, the implied volatility is at a relatively low historical level, and the open interest PCR is below 0.60. Strategies include constructing a neutral call + put option combination strategy [13]