1. Report Industry Investment Rating - No relevant information provided 2. Core Viewpoints - For all the analyzed options (上证50ETF, 上证300ETF, 创业板ETF, 中证1000股指), the recommended option strategy is to build a combination strategy of selling call + put options to obtain option time - value income and dynamically adjust positions [8][17][28][38] 3. Summary by Related Catalogs 3.1 Financial Market Overview - **Important Indexes**: The Shanghai Composite Index closed at 3891.86, down 31.43 (-0.80%) with a trading volume of 891.945 billion yuan and an increase of 52.123 billion yuan; the Shanghai 50 Index closed at 2826.12, down 7.08 (-0.25%) with a trading volume of 121.235 billion yuan and an increase of 17.92 billion yuan; the CSI 300 Index closed at 4450.05, down 41.90 (-0.93%) with a trading volume of 484.558 billion yuan and an increase of 39.929 billion yuan; the CSI 1000 Index closed at 7619.85, down 148.08 (-1.91%) with a trading volume of 404.652 billion yuan and a decrease of 7.322 billion yuan; the CSI 500 Index closed at 7617.33, down 136.40 (-1.76%) with a trading volume of 376.502 billion yuan and an increase of 15.06 billion yuan; the Shenzhen Component Index closed at 13478.06, down 248.14 (-1.81%) with a trading volume of 531.382 billion yuan and an increase of 3.201 billion yuan [3] - **Option - Underlying ETFs**: For example, the Shenzhen 100ETF closed at 3.398, down 0.046 (-1.34%) with a trading volume of 74.99 million shares and an increase of 30.51 million shares, and a trading amount of 257 million yuan and an increase of 105 million yuan; the ChiNext ETF closed at 3.182, down 0.082 (-2.51%) with a trading volume of 1379.48 million shares and an increase of 391 million shares, and a trading amount of 4.435 billion yuan and an increase of 1.224 billion yuan [4] 3.2 Shanghai 50ETF (510050.SH) - **Option Factors - Volume and Position PCR**: The trading volume of the call option was 451311, a decrease of 6410; the trading volume of the put option was 385688, an increase of 35992; the position of the call option was 751907, an increase of 22639; the position of the put option was 542943, an increase of 14316; the trading - volume PCR was 0.85, an increase of 0.09; the position PCR was 0.72 [5] - **Option Factors - Pressure and Support**: The weighted implied volatility was 17.38%, a decrease of 0.51%, and the annual average implied volatility was 17.70% [6] - **Market Data and Strategy Suggestions**: The closing price of 510050 yesterday was 2.9 yuan, down 0 yuan (-10.33%) from the previous day, with a trading volume of 60168, an increase of 5642; the implied volatility of the 510050 (Shanghai 50ETF option) fluctuated above the average of 0.1770; the position PCR of the 510050 option was reported at 0.7221, at the 13.88% level in the past year; the pressure level of the option underlying was 3, and the support level was 2.9; the recommended option strategy was to build a combination strategy of selling call + put options [8] 3.3 Shanghai 300ETF (510300.SH) - **Option Factors - Volume and Position PCR**: The trading volume of the call option was 458711, a decrease of 18695; the trading volume of the put option was 436724, an increase of 28224; the position of the call option was 714199, an increase of 26796; the position of the put option was 467096, an increase of 527; the trading - volume PCR was 0.95, an increase of 0.1; the position PCR was 0.65, a decrease of 0.02 [15] - **Option Factors - Pressure and Support**: The weighted implied volatility was 19.23%, a decrease of 0.60%, and the annual average implied volatility was 18.31% [16] - **Market Data and Strategy Suggestions**: The closing price of 510300 yesterday was 4.46 yuan, down 0.04 yuan (-82.22%) from the previous day, with a trading volume of 53056, a decrease of 1342; the implied volatility of the 510300 (Shanghai 300ETF option) fluctuated above the average of 0.1831; the position PCR of the 510300 option was reported at 0.654, at the 2.04% level in the past year; the pressure level of the option underlying was 4.6, and the support level was 4.5; the recommended option strategy was to build a combination strategy of selling call + put options [17] 3.4 ChiNext ETF (159915.SZ) - **Option Factors - Volume and Position PCR**: The trading volume of the call option was 730823, an increase of 172072; the trading volume of the put option was 779378, an increase of 108624; the position of the call option was 637485, an increase of 65574; the position of the put option was 608777, an increase of 40420; the trading - volume PCR was 1.07, a decrease of 0.13; the position PCR was 0.95, a decrease of 0.04 [25] - **Option Factors - Pressure and Support**: The weighted implied volatility was 30.74%, an increase of 1.88%, and the annual average implied volatility was 31.47% [26] - **Market Data and Strategy Suggestions**: The closing price of 159915 yesterday was 3.18 yuan, down 0.08 yuan (-251.23%) from the previous day, with a trading volume of 137947, an increase of 39099; the implied volatility of the 159915 (ChiNext ETF option) fluctuated above the average of 0.3147; the position PCR of the 159915 option was reported at 0.955, at the 30.61% level in the past year; the pressure level of the option underlying was 3.3, and the support level was 3.2; the recommended option strategy was to build a combination strategy of selling call + put options [28] 3.5 CSI 1000 Index (MO) - **Option Factors - Volume and Position PCR**: The trading volume of the call option was 161726, a decrease of 19410; the trading volume of the put option was 120121, a decrease of 8900; the position of the call option was 185344, an increase of 7144; the position of the put option was 145305, an increase of 4770; the trading - volume PCR was 0.74, an increase of 0.03; the position PCR was 0.78 [35] - **Option Factors - Pressure and Support**: The weighted implied volatility was 28.58%, an increase of 0.93%, and the annual average implied volatility was 23.88% [36] - **Market Data and Strategy Suggestions**: The closing price of 000852 yesterday was 7619.85 yuan, down 148.08 yuan (-190.62%) from the previous day, with a trading volume of 404652134124, a decrease of 7321747175; the implied volatility of the MO (CSI 1000 index option) fluctuated above the average of 0.2388; the position PCR of the MO option was reported at 0.784, at the 11.84% level in the past year; the pressure level of the option underlying was 8000, and the support level was 7000; the recommended option strategy was to build a combination strategy of selling call + put options [37][38]

Report Information - Report Date: 2026/03/20 [1] - Report Type: Financial Options Morning Report - Analysts: Li Liqin (Senior Manager of Investment Research), Huang Kehan (Options Researcher) [2] - Contact Information: Email: lilq@wkqh.cn, huangkh@wkqh.cn; Phone: 0755 - 23375252 [2] Market Overview Financial Market - Major indices showed a downward trend. The Shanghai Composite Index closed at 4006.55, down 56.43 points or 1.39%, with a trading volume of 935.265 billion yuan, an increase of 58.937 billion yuan. The Shanghai 50 Index closed at 2916.23, down 45.19 points or 1.53%, with a trading volume of 136.419 billion yuan, an increase of 22.698 billion yuan. The CSI 300 Index closed at 4583.25, down 75.08 points or 1.61%, with a trading volume of 547.85 billion yuan, an increase of 23.676 billion yuan. The CSI 1000 Index closed at 7909.23, down 187.36 points or 2.31%, with a trading volume of 443.807 billion yuan, an increase of 23.914 billion yuan. The CSI 500 Index closed at 7877.09, down 219.34 points or 2.71%, with a trading volume of 394.855 billion yuan, an increase of 3.612 billion yuan. The Shenzhen Component Index closed at 13901.57, down 286.23 points or 2.02%, with a trading volume of 601.149 billion yuan, an increase of 2.746 billion yuan [3]. ETF Market - Most ETFs also declined. The Shenzhen 100ETF closed at 3.482, down 0.046 or 1.30%, with a trading volume of 55.56 million shares, a decrease of 15.91 million shares, and a trading value of 195 million yuan, a decrease of 55 million yuan. The ChiNext ETF closed at 3.303, down 0.035 or 1.05%, with a trading volume of 1246.93 million shares, an increase of 126.07 million shares, and a trading value of 4.14 billion yuan, an increase of 438 million yuan. The Shenzhen 300ETF closed at 4.790, down 0.074 or 1.52%, with a trading volume of 208.84 million shares, an increase of 64.08 million shares, and a trading value of 1.002 billion yuan, an increase of 302 million yuan. The Shenzhen 500ETF closed at 3.158, down 0.087 or 2.68%, with a trading volume of 274.93 million shares, a decrease of 71.80 million shares, and a trading value of 873 million yuan, a decrease of 242 million yuan. The Shanghai 50ETF closed at 2.993, down 0.042 or 1.38%, with a trading volume of 766.47 million shares, an increase of 175.09 million shares, and a trading value of 2.299 billion yuan, an increase of 506 million yuan. The Shanghai 300ETF closed at 4.599, down 0.063 or 1.35%, with a trading volume of 772.24 million shares, an increase of 1.98 million shares, and a trading value of 3.558 billion yuan, a decrease of 18 million yuan. The Shanghai 500ETF closed at 7.945, down 0.211 or 2.59%, with a trading volume of 391.80 million shares, a decrease of 100.35 million shares, and a trading value of 3.129 billion yuan, a decrease of 861 million yuan. The Huaxia Science and Technology Innovation 50ETF closed at 1.411, down 0.034 or 2.35%, with a trading volume of 2765.12 million shares, an increase of 582.61 million shares, and a trading value of 3.916 billion yuan, an increase of 783 million yuan. The E Fund Science and Technology Innovation 50ETF closed at 1.368, down 0.032 or 2.29%, with a trading volume of 1037.03 million shares, an increase of 92.28 million shares, and a trading value of 1.423 billion yuan, an increase of 110 million yuan [4]. Option Analysis Shanghai 50ETF (510050.SH) - **Volume and Position PCR**: The trading volume of call options was 605,939, an increase of 89,080, and the position was 910,731, an increase of 62,738. The trading volume of put options was 609,564, an increase of 226,359, and the position was 615,138, an increase of 2,683. The trading volume PCR was 1.01, an increase of 0.26, and the position PCR was 0.68, a decrease of 0.05 [5]. - **Pressure and Support**: The average implied volatility was 17.54%, and the historical volatility was 9.34%. The pressure level was 3.1, and the support level was 3 [6][7]. - **Strategy Suggestion**: No directional strategy. For the volatility strategy, construct a combination strategy of selling call and put options to obtain option time - value income and dynamically adjust the position. For example, S_510050_2603P3000 and S_510050_2603C3200 [7]. Shanghai 300ETF (510300.SH) - **Volume and Position PCR**: The trading volume of call options was 697,458, an increase of 49,428, and the position was 874,000, an increase of 58,803. The trading volume of put options was 689,214, an increase of 124,188, and the position was 629,285, a decrease of 16,549. The trading volume PCR was 0.99, an increase of 0.12, and the position PCR was 0.72, a decrease of 0.07 [15]. - **Pressure and Support**: The average implied volatility was 18.19%, and the historical volatility was 11.67%. The pressure level was 4.7, and the support level was 4.5 [16][17]. - **Strategy Suggestion**: No directional strategy. For the volatility strategy, construct a combination strategy of selling call and put options to obtain option time - value income and dynamically adjust the position. For example, S_510300_2603P4600 and S_510300_2603C4800 [18]. ChiNext ETF (159915.SZ) - **Volume and Position PCR**: The trading volume of call options was 858,584, a decrease of 1,198, and the position was 750,951, an increase of 52,576. The trading volume of put options was 1,088,650, an increase of 76,194, and the position was 899,199, a decrease of 33,823. The trading volume PCR was 1.27, an increase of 0.09, and the position PCR decreased by 0.14 [24]. - **Pressure and Support**: The average implied volatility was 31.15%, and the historical volatility was 23.25%. The pressure level was 3.4, and the support level was 3.3 [25][26]. - **Strategy Suggestion**: No directional strategy. For the volatility strategy, construct a combination strategy of selling call and put options to obtain option time - value income and dynamically adjust the position. For example, S_159915_2603P3300 and S_159915_2603C3500 [26]. CSI 1000 Index (MO) - **Volume and Position PCR**: The trading volume of call options was 231,379, an increase of 31,862, and the position was 195,130, an increase of 3,098. The trading volume of put options was 237,049, an increase of 68,389, and the position was 170,665, a decrease of 2,153. The trading volume PCR was 1.02, an increase of 0.18, and the position PCR was 0.87, a decrease of 0.03 [33]. - **Pressure and Support**: The average implied volatility was 23.77%, and the historical volatility was 21.81%. The pressure level was 8100, and the support level was 7800 [34][35]. - **Strategy Suggestion**: No directional strategy. For the volatility strategy, construct a combination strategy of selling call and put options to obtain option time - value income and dynamically adjust the position. For example, S_MO2604P7800 and S_MO2604C8400 [36].

1. Report Industry Investment Rating - No relevant information provided 2. Core Viewpoints - For various financial products including major stock indices, ETFs, and stock index options, the report analyzes their market data and provides corresponding option trading strategies. It is recommended to construct a combination strategy of selling call and put options to obtain option time - value returns and dynamically adjust positions [8][18][28][38] 3. Summary by Directory 3.1 Financial Market Overview - **Important Indexes**: The Shanghai Composite Index closed at 4049.91, down 34.88 points or 0.85%, with a trading volume of 9512.28 billion yuan, a decrease of 859.96 billion yuan. The Shanghai 50 Index closed at 2963.58, up 9.49 points or 0.32%, with a trading volume of 1323.84 billion yuan, a decrease of 114.78 billion yuan. The CSI 300 Index closed at 4637.44, down 34.12 points or 0.73%, with a trading volume of 5785.02 billion yuan, a decrease of 202.98 billion yuan. The CSI 1000 Index closed at 8019.86, down 191.49 points or 2.33%, with a trading volume of 4527.54 billion yuan, a decrease of 363.71 billion yuan. The CSI 500 Index closed at 8016.03, down 169.13 points or 2.07%, with a trading volume of 4062.47 billion yuan, a decrease of 545.50 billion yuan. The Shenzhen Component Index closed at 14039.73, down 267.85 points or 1.87%, with a trading volume of 6359.60 billion yuan, a decrease of 168.66 billion yuan [3] - **ETF Market**: For example, the Shenzhen 100ETF closed at 3.511, down 0.030 or 0.85%, with a trading volume of 79.30 million shares, an increase of 31.71 million shares, and a trading amount of 2.81 billion yuan, an increase of 1.14 billion yuan. The ChiNext ETF closed at 3.273, down 0.076 or 2.27%, with a trading volume of 1159.78 million shares, an increase of 94.40 million shares, and a trading amount of 38.53 billion yuan, an increase of 3.24 billion yuan [4] 3.2 Shanghai 50ETF (510050.SH) - **Option Factors - Volume and Position PCR**: The trading volume of call options was 690612, an increase of 234782; the position was 810167, a decrease of 21414. The trading volume of put options was 506373, an increase of 75251; the position was 603714, a decrease of 6100. The trading volume PCR was 0.73, a decrease of 0.21; the position PCR was 0.75, an increase of 0.01 [5] - **Option Factors - Pressure and Support**: The weighted implied volatility was 16.66%, with a change of 0.62%; the annual average implied volatility was 17.54%, and HISV20 was 10.92% [6] - **Option Strategy Suggestions**: No directional strategy. For volatility strategy, construct a combination strategy of selling call and put options, such as S_510050_2603P3000 and S_510050_2603C3200, to obtain option time - value returns and dynamically adjust positions [8] 3.3 Shanghai 300ETF (510300.SH) - **Option Factors - Volume and Position PCR**: The trading volume of call options was 705670, an increase of 123328; the position was 805117, an increase of 17832. The trading volume of put options was 608487, an increase of 74250; the position was 634126, a decrease of 744. The trading volume PCR was 0.86, a decrease of 0.06; the position PCR was 0.79, a decrease of 0.02 [15] - **Option Factors - Pressure and Support**: The weighted implied volatility was 16.77%, with a change of 0.06%; the annual average implied volatility was 18.19%, and HISV20 was 12.78%. The pressure level was 4.7, and the support level was 4.0 [16] - **Option Strategy Suggestions**: No directional strategy. For volatility strategy, construct a combination strategy of selling call and put options, such as S_510300_2603P4600 and S_510300_2603C4800, to obtain option time - value returns and dynamically adjust positions [18] 3.4 ChiNext ETF (159915.SZ) - **Option Factors - Volume and Position PCR**: The trading volume of call options was 856922, an increase of 77743; the position was 752287, an increase of 69074. The trading volume of put options was 1078800, a decrease of 17807; the position was 918311, a decrease of 14392. The trading volume PCR was 1.26, a decrease of 0.15; the position PCR was 1.22, a decrease of 0.14 [25] - **Option Factors - Pressure and Support**: The weighted implied volatility was 29.79%, with a change of - 3.09%; the annual average implied volatility was 31.13%, and HISV20 was 22.78% [26] - **Option Strategy Suggestions**: No directional strategy. For volatility strategy, construct a combination strategy of selling call and put options, such as S_159915_2603P3300 and S_159915_2603C3500, to obtain option time - value returns and dynamically adjust positions [28] 3.5 CSI 1000 Stock Index (MO) - **Option Factors - Volume and Position PCR**: The trading volume of call options was 202304, an increase of 29799; the position was 189798, an increase of 8742. The trading volume of put options was 172383, an increase of 5179; the position was 169627, a decrease of 854. The trading volume PCR was 0.85, a decrease of 0.12; the position PCR was 0.89, a decrease of 0.05 [35] - **Option Factors - Pressure and Support**: The weighted implied volatility was 29.65%, with a change of 2.58%; the annual average implied volatility was 23.73%, and HISV20 was 21.40%. The pressure level was 8300, and the support level was 8000 [36] - **Option Strategy Suggestions**: No directional strategy. For volatility strategy, construct a combination strategy of selling call and put options, such as S_MO2603P7800 and S_MO2603C8400, to obtain option time - value returns and dynamically adjust positions [38]

1. Report Industry Investment Rating - No information provided in the report 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 this pattern [3] - The implied volatility of financial options has declined to a level below the historical average [3] - For ETF options, it is suitable to construct a partial long - side seller strategy and a bull spread strategy for call options; for index options, in addition to the above two strategies, an arbitrage strategy of combining long synthetic futures with short futures can also be constructed [3] 3. Summary by Relevant Catalogs 3.1 Stock Market Overview - **Important Indexes**: The Shanghai Composite Index closed at 3,968.84, up 3.72 points or 0.09%, with a trading volume of 829.5 billion yuan, a decrease of 58 billion yuan; the Shenzhen Component Index closed at 13,525.02, down 79.04 points or 0.58%, with a trading volume of 1,215.6 billion yuan, a decrease of 39.2 billion yuan; other indexes such as the SSE 50, CSI 300, CSI 500, and CSI 1000 also showed different trends [4] - **ETF Market**: The closing prices, price changes, trading volumes, and trading volume changes of various option - underlying ETFs are different. For example, the SSE 50ETF closed at 3.105, down 0.003 or 0.10%, with a trading volume of 9.1147 million shares, an increase of 9.0623 million shares, and a trading volume of 2.833 billion yuan, an increase of 1.204 billion yuan [5] 3.2 Option Factor Analysis - **Volume and Position PCR**: The volume and position PCR of different option varieties show different trends. For example, the volume PCR of the SSE 50ETF is 0.97, a decrease of 0.01, and the position PCR is 0.90, a decrease of 0.04 [6] - **Pressure and Support Points**: From the perspective of the strike prices of the maximum positions of call and put options, the pressure and support points of different option - underlying assets are determined. For example, the pressure point of the SSE 50ETF is 3.10, and the support point is 3.00 [8] - **Implied Volatility**: The implied volatility of different option varieties also shows different characteristics. For example, the at - the - money implied volatility of the SSE 50ETF is 13.71%, and the weighted implied volatility is 13.75%, a decrease of 0.13% [11] 3.3 Strategy and Recommendations - **Market Segmentation**: The financial option market is divided into large - cap blue - chip stocks, small - and medium - sized boards, and the ChiNext board. Each board includes different option varieties [13] - **Option Strategies**: For different option varieties, corresponding strategies are proposed, including directional strategies, volatility strategies, and spot long - side covered call strategies. For example, for the SSE 50ETF, a partial neutral seller strategy can be constructed to obtain time - value income [14]

1. Report Industry Investment Rating - No relevant content provided 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 market condition [3] - The implied volatility of financial options has declined to a level below the historical average [3] - For ETF options, it is suitable to construct a partial long - side seller strategy and a bull spread combination strategy of call options; for stock index options, it is suitable to construct a partial long - side seller strategy, a bull spread combination strategy of call options, and an arbitrage strategy of synthetic futures long and futures short [3] 3. Summary by Relevant Catalogs 3.1 Financial Market Index Overview - The Shanghai Composite Index closed at 3,890.45, up 14.08 points or 0.36%, with a trading volume of 738.1 billion yuan and an increase of 33.2 billion yuan in trading volume [4] - The Shenzhen Component Index closed at 13,140.21, up 86.24 points or 0.66%, with a trading volume of 987.8 billion yuan and an increase of 37.3 billion yuan in trading volume [4] - The Shanghai 50 Index closed at 3,004.34, up 5.82 points or 0.19%, with a trading volume of 94.9 billion yuan and an increase of 12.2 billion yuan in trading volume [4] - The CSI 300 Index closed at 4,568.18, up 15.39 points or 0.34%, with a trading volume of 371.6 billion yuan and a decrease of 10.5 billion yuan in trading volume [4] - The CSI 500 Index closed at 7,169.55, up 68.72 points or 0.97%, with a trading volume of 292.7 billion yuan and an increase of 17.2 billion yuan in trading volume [4] - The CSI 1000 Index closed at 7,329.81, up 57.40 points or 0.79%, with a trading volume of 362.3 billion yuan and an increase of 13.4 billion yuan in trading volume [4] 3.2 Option - Based ETF Market Overview - The Shanghai 50 ETF closed at 3.078, up 0.014 or 0.46%, with a trading volume of 8.6607 million shares and an increase of 8.623 million shares, and a trading value of 2.665 billion yuan and an increase of 1.51 billion yuan [5] - The Shanghai 300 ETF closed at 4.688, up 0.020 or 0.43%, with a trading volume of 8.3179 million shares and an increase of 8.2501 million shares, and a trading value of 3.902 billion yuan and an increase of 0.732 billion yuan [5] - Other ETFs' closing prices, price changes, trading volume changes, and trading value changes are also provided in the report [5] 3.3 Option Factor - Volume and Position PCR - For different option varieties such as the Shanghai 50 ETF, Shanghai 300 ETF, etc., the trading volume, trading volume changes, open interest, open interest changes, volume PCR, volume PCR changes, position PCR, and position PCR changes are presented [6] 3.4 Option Factor - Pressure and Support Points - For each option variety, the underlying closing price, at - the - money strike price, pressure point, pressure point deviation, support point, support point deviation, maximum long position of call options, and maximum long position of put options are given [8] 3.5 Option Factor - Implied Volatility - The at - the - money implied volatility, weighted implied volatility, weighted implied volatility changes, annual average, call implied volatility, put implied volatility, 20 - day historical volatility, and implied - historical volatility difference of different option varieties are provided [11] 3.6 Strategy and Suggestions - The financial options sector is divided into large - cap blue - chip stocks, small and medium - sized boards, and the ChiNext board. Different sectors include corresponding option varieties [13] - **Shanghai 50ETF**: The underlying shows a volatile consolidation pattern. The implied volatility is at a relatively low level, the position PCR is around 1.00. The pressure level is 3.20 and the support level is 3.10. Suggested strategies include a neutral - biased seller combination strategy, a spot long - covered call strategy [14] - **Shanghai 300ETF**: The underlying shows a rebound after over - decline. The implied volatility is at a relatively low level, the position PCR is around 1.00. The pressure level is 4.80 and the support level is 4.60. Suggested strategies include a short - volatility strategy of selling call and put options, a spot long - covered call strategy [14] - **Shanghai 500ETF**: The underlying shows a rebound and then a decline. The implied volatility is below the historical average, the position PCR is above 1.00. The pressure level is 7.50 and the support level is 7.00. Suggested strategies include a short - volatility strategy of selling call and put options, a spot long - covered call strategy [15] - **Shenzhen 100ETF**: The underlying shows a rebound and then a decline in a long - biased trend. The implied volatility fluctuates around the average, the position PCR is above 1.00. The pressure level is 3.40 and the support level is 3.30. Suggested strategies include a short - volatility strategy of selling call and put options, a spot long - covered call strategy [15] - **ChiNext ETF**: The underlying shows a bullish trend with high - level volatility. The implied volatility is at a high level, the position PCR is above 1.00. The pressure level is 3.20 and the support level is 3.00. Suggested strategies include a short - volatility strategy, a spot long - covered call strategy [16] - **CSI 1000**: The underlying shows a decline from a high level. The implied volatility fluctuates below the average, the position PCR is around 0.90. The pressure level is 7400 and the support level is 7000. Suggested strategies include a short - volatility strategy of selling call and put options with dynamic adjustment of positions to keep the delta short [16]

Report Summary 1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints - 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 high - level fluctuations [2]. - The implied volatility of financial options has decreased but remains at a relatively high level [2]. - For ETF options, it is suitable to construct a partial long - side seller strategy and a bull spread strategy for call options. For index options, in addition to the above strategies, an arbitrage strategy between synthetic long futures with options and short futures can be considered [2]. 3. Summary by Related Catalogs Financial Market Index Overview - Key stock market indices such as the Shanghai Composite Index, Shenzhen Component Index, and others closed lower, with the Shanghai Composite Index closing at 3,873.32, down 0.70%, and the Shenzhen Component Index closing at 13,147.39, down 1.27% [3]. Option - related ETF Market Overview - ETFs such as the SSE 50 ETF, SSE 300 ETF, etc., also generally declined. For example, the SSE 50 ETF closed at 3.120, down 0.38% [4]. Option Factor - Volume and Open Interest PCR - The volume and open interest PCR of different option varieties showed different trends. For example, the volume PCR of the SSE 50 ETF option was 1.08, with a change of 0.23, and the open interest PCR was 0.93, with a change of - 0.05 [5]. Option Factor - Pressure and Support Points - From the perspective of the maximum open interest of call and put options, the pressure and support points of option underlying assets were analyzed. For example, the pressure point of the SSE 50 ETF was 3.20, and the support point was 3.10 [7]. Option Factor - Implied Volatility - The implied volatility of different option varieties also showed different characteristics. For example, the at - the - money implied volatility of the SSE 50 ETF option was 12.36%, and the weighted implied volatility was 13.01%, with a change of 0.49% [10]. Strategy and Recommendations - The financial option sector is divided into large - cap blue - chip stocks, small and medium - sized boards, and ChiNext. Different strategies are recommended for each sector [12]. - For example, for the SSE 50 ETF in the financial stock sector, a partial neutral seller combination strategy can be constructed to obtain time - value income [13].

1. Report Industry Investment Rating No relevant information provided. 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 performing in this way [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 buyer strategy and a bull spread strategy of call options; for index options, it is suitable to construct a bullish seller strategy, a bull spread strategy of call options, and an arbitrage strategy between synthetic long futures of options and short futures [3]. 3. Summary by Relevant Catalogs 3.1 Financial Market Important Index Overview - The Shanghai Composite Index closed at 4,016.33, up 28.11 points or 0.70%, with a trading volume of 968.2 billion yuan and an increase of 27.5 billion yuan [4]. - The Shenzhen Component Index closed at 13,691.38, up 261.28 points or 1.95%, with a trading volume of 1,287.8 billion yuan and an increase of 80.7 billion yuan [4]. - The SSE 50 Index closed at 3,063.02, up 12.60 points or 0.41%, with a trading volume of 156.3 billion yuan and an increase of 7.6 billion yuan [4]. - The CSI 300 Index closed at 4,747.84, up 55.86 points or 1.19%, with a trading volume of 645.9 billion yuan and an increase of 74.3 billion yuan [4]. - The CSI 500 Index closed at 7,480.97, up 139.94 points or 1.91%, with a trading volume of 443.1 billion yuan and an increase of 21.1 billion yuan [4]. - The CSI 1000 Index closed at 7,569.12, up 89.90 points or 1.20%, with a trading volume of 439.2 billion yuan and an increase of 8.1 billion yuan [4]. 3.2 Option - underlying ETF Market Overview - The SSE 50 ETF closed at 3.210, up 0.014 or 0.44%, with a trading volume of 6.3035 million shares and a decrease of 4.95 billion yuan in trading value [5]. - The SSE 300 ETF closed at 4.862, up 0.060 or 1.25%, with a trading volume of 6.7928 million shares and a decrease of 2.12 billion yuan in trading value [5]. - The SSE 500 ETF closed at 7.594, up 0.153 or 2.06%, with a trading volume of 2.0619 million shares and an increase of 2.82 billion yuan in trading value [5]. - The Huaxia Science and Technology Innovation 50 ETF closed at 1.565, up 0.020 or 1.29%, with a trading volume of 30.9369 million shares and an increase of 4.91 billion yuan in trading value [5]. - The E Fund Science and Technology Innovation 50 ETF closed at 1.515, up 0.019 or 1.27%, with a trading volume of 7.8679 million shares and a decrease of 1.49 billion yuan in trading value [5]. - The Shenzhen 300 ETF closed at 5.013, up 0.058 or 1.17%, with a trading volume of 1.1888 million shares and a decrease of 0.64 billion yuan in trading value [5]. - The Shenzhen 500 ETF closed at 3.031, up 0.061 or 2.05%, with a trading volume of 0.6327 million shares and a decrease of 0.13 billion yuan in trading value [5]. - The Shenzhen 100 ETF closed at 3.677, up 0.072 or 2.00%, with a trading volume of 0.4604 million shares and a decrease of 0.37 billion yuan in trading value [5]. - The ChiNext ETF closed at 3.300, up 0.095 or 2.96%, with a trading volume of 13.7014 million shares and an increase of 1.21 billion yuan in trading value [5]. 3.3 Option Factor - Volume and Open Interest PCR - For the SSE 50 ETF option, the trading volume was 595,100 contracts (down 167,700), the open interest was 1,233,100 contracts (down 55,600), the volume PCR was 0.93 (unchanged), and the open - interest PCR was 0.97 (down 0.02) [6]. - For the SSE 300 ETF option, the trading volume was 748,100 contracts (down 108,700), the open interest was 1,160,700 contracts (down 52,300), the volume PCR was 0.85 (down 0.14), and the open - interest PCR was 1.21 (up 0.05) [6]. - For the SSE 500 ETF option, the trading volume was 1,329,600 contracts (up 123,700), the open interest was 1,236,800 contracts (down 84,800), the volume PCR was 0.93 (down 0.09), and the open - interest PCR was 1.45 (up 0.17) [6]. - For the Huaxia Science and Technology Innovation 50 ETF option, the trading volume was 1,054,800 contracts (down 80,900), the open interest was 1,999,800 contracts (down 25,900), the volume PCR was 0.66 (down 0.09), and the open - interest PCR was 1.01 (down 0.02) [6]. - For the E Fund Science and Technology Innovation 50 ETF option, the trading volume was 216,800 contracts (down 2,400), the open interest was 550,400 contracts (down 36,000), the volume PCR was 0.75 (down 0.07), and the open - interest PCR was 1.00 (down 0.01) [6]. - For the Shenzhen 300 ETF option, the trading volume was 125,000 contracts (down 13,600), the open interest was 246,600 contracts (up 3,900), the volume PCR was 1.22 (up 0.40), and the open - interest PCR was 0.88 (up 0.06) [6]. - For the Shenzhen 500 ETF option, the trading volume was 191,300 contracts (down 69,200), the open interest was 372,200 contracts (down 1,500), the volume PCR was 0.85 (down 1.29), and the open - interest PCR was 0.90 (up 0.01) [6]. - For the Shenzhen 100 ETF option, the trading volume was 51,400 contracts (up 4,700), the open interest was 100,400 contracts (down 1,900), the volume PCR was 1.79 (down 0.44), and the open - interest PCR was 1.32 (up 0.04) [6]. - For the ChiNext ETF option, the trading volume was 1,727,100 contracts (down 77,900), the open interest was 1,590,000 contracts (up 36,000), the volume PCR was 0.78 (down 0.07), and the open - interest PCR was 1.47 (up 0.13) [6]. - For the SSE 50 index option, the trading volume was 24,600 contracts (down 8,800), the open interest was 66,000 contracts (up 1,900), the volume PCR was 0.41 (down 0.07), and the open - interest PCR was 0.69 (unchanged) [6]. - For the CSI 300 index option, the trading volume was 108,300 contracts (down 5,700), the open interest was 169,600 contracts (up 9,300), the volume PCR was 0.70 (down 0.05), and the open - interest PCR was 0.90 (up 0.04) [6]. - For the CSI 1000 index option, the trading volume was 201,000 contracts (down 18,300), the open interest was 281,700 contracts (up 3,400), the volume PCR was 0.81 (down 0.05), and the open - interest PCR was 1.08 (up 0.06) [6]. 3.4 Option Factor - Pressure and Support Levels - For the SSE 50 ETF, the pressure levels were 3.20 and the support level was 3.10 [8]. - For the SSE 300 ETF, the pressure level was 5.00 and the support level was 4.70 [8]. - For the SSE 500 ETF, the pressure level was 7.50 and the support level was 7.25 [8]. - For the Huaxia Science and Technology Innovation 50 ETF, the pressure level was 1.60 and the support level was 1.45 [8]. - For the E Fund Science and Technology Innovation 50 ETF, the pressure level was 1.60 and the support level was 1.35 [8]. - For the Shenzhen 300 ETF, the pressure level was 5.25 and the support level was 4.70 [8]. - For the Shenzhen 500 ETF, the pressure level was 3.30 and the support level was 2.85 [8]. - For the Shenzhen 100 ETF, the pressure level was 3.70 and the support level was 3.50 [8]. - For the ChiNext ETF, the pressure level was 3.60 and the support level was 3.00 [8]. - For the SSE 50 index, the pressure level was 3,100 and the support level was 2,950 [8]. - For the CSI 300 index, the pressure level was 4,800 and the support level was 4,700 [8]. - For the CSI 1000 index, the pressure level was 7,500 and the support level was 7,000 [8]. 3.5 Option Factor - Implied Volatility - For the SSE 50 ETF option, the at - the - money implied volatility was 15.54%, the weighted implied volatility was 15.80% (up 0.33%), the annual average was 16.00%, the call implied volatility was 16.04%, the put implied volatility was 15.44%, the 20 - day historical volatility was 15.87%, and the implied - historical volatility difference was - 0.07% [11]. - For the SSE 300 ETF option, the at - the - money implied volatility was 16.78%, the weighted implied volatility was 16.94% (up 0.43%), the annual average was 16.43%, the call implied volatility was 16.90%, the put implied volatility was 16.99%, the 20 - day historical volatility was 16.79%, and the implied - historical volatility difference was 0.15% [11]. - For the SSE 500 ETF option, the at - the - money implied volatility was 20.13%, the weighted implied volatility was 20.87% (up 0.61%), the annual average was 20.17%, the call implied volatility was 20.96%, the put implied volatility was 20.76%, the 20 - day historical volatility was 20.63%, and the implied - historical volatility difference was 0.23% [11]. - For the Huaxia Science and Technology Innovation 50 ETF option, the at - the - money implied volatility was 36.12%, the weighted implied volatility was 37.12% (up 1.20%), the annual average was 32.58%, the call implied volatility was 37.69%, the put implied volatility was 36.16%, the 20 - day historical volatility was 36.00%, and the implied - historical volatility difference was 1.11% [11]. - For the E Fund Science and Technology Innovation 50 ETF option, the at - the - money implied volatility was 72.01%, the weighted implied volatility was 37.70% (up 1.50%), the annual average was 33.42%, the call implied volatility was 37.77%, the put implied volatility was 37.56%, the 20 - day historical volatility was 36.77%, and the implied - historical volatility difference was 0.92% [11]. - For the Shenzhen 300 ETF option, the at - the - money implied volatility was 17.00%, the weighted implied volatility was 20.75% (up 3.15%), the annual average was 18.17%, the call implied volatility was 18.97%, the put implied volatility was 22.80%, the 20 - day historical volatility was 18.31%, and the implied - historical volatility difference was 2.44% [11]. - For the Shenzhen 500 ETF option, the at - the - money implied volatility was 20.84%, the weighted implied volatility was 22.53% (down 0.10%), the annual average was 21.66%, the call implied volatility was 22.07%, the put implied volatility was 23.15%, the 20 - day historical volatility was 21.49%, and the implied - historical volatility difference was 1.05% [11]. - For the Shenzhen 100 ETF option, the at - the - money implied volatility was 22.79%, the weighted implied volatility was 25.34% (down 1.54%), the annual average was 24.84%, the call implied volatility was 23.68%, the put implied volatility was 27.07%, the 20 - day historical volatility was 26.30%, and the implied - historical volatility difference was - 0.96% [11]. - For the ChiNext ETF option, the at - the - money implied volatility was 32.76%, the weighted implied volatility was 34.71% (up 2.07%), the annual average was 28.69%, the call implied volatility was 33.72%, the put implied volatility was 35.99%, the 20 - day historical volatility was 31.93%, and the implied - historical volatility difference was 2.78% [11]. - For the SSE 50 index option, the at - the - money implied volatility was 16.21%, the weighted implied volatility was 16.42% (up 0.33%), the annual average was 17.16%, the call implied volatility was 16.49%, the put implied volatility was 16.23%, the 20 - day historical volatility was 16.10%, and the implied - historical volatility difference was 0.32% [11]. - For the CSI 300 index option, the at - the - money implied volatility was 16.65%, the weighted implied volatility was 16.56% (up 0.30%), the annual average was 16.92%, the call implied volatility was 16.38%, the put implied volatility was 16.83%, the 20 - day historical volatility was 16.81%, and the implied - historical volatility difference was - 0.25% [11]. - For the CSI 100

Report Summary 1. Report Industry Investment Rating No information provided in the report. 2. Core Viewpoints of the Report - The stock market shows a bullish upward trend, with the Shanghai Composite Index, large-cap blue-chip stocks, small and medium-cap stocks, and ChiNext stocks all performing well [3]. - The implied volatility of financial options is gradually rising and fluctuating above the mean level [3]. - For ETF options, it is suitable to construct covered strategies, neutral double-selling strategies, and vertical spread combination strategies; for index options, it is suitable to construct neutral double-selling strategies and arbitrage strategies between synthetic long or short options and long or short futures [3]. 3. Summary by Related Catalogs 3.1 Financial Market Important Index Overview - The Shanghai Composite Index closed at 3,696.77, up 30.33 points or 0.83%, with a trading volume of 960.6 billion yuan [4]. - The Shenzhen Component Index closed at 11,634.67, up 183.23 points or 1.60%, with a trading volume of 1,284 billion yuan [4]. - The SSE 50 Index closed at 2,832.88, up 3.41 points or 0.12%, with a trading volume of 142.2 billion yuan [4]. - The CSI 300 Index closed at 4,202.35, up 29.04 points or 0.70%, with a trading volume of 518.7 billion yuan [4]. - The CSI 500 Index closed at 6,568.57, up 138.72 points or 2.16%, with a trading volume of 381.4 billion yuan [4]. - The CSI 1000 Index closed at 7,117.50, up 141.01 points or 2.02%, with a trading volume of 492.5 billion yuan [4]. 3.2 Option Underlying ETF Market Overview - The SSE 50 ETF closed at 2.965, up 0.011 or 0.37%, with a trading volume of 13.5306 million shares and a trading value of 4.004 billion yuan [5]. - The SSE 300 ETF closed at 4.295, up 0.039 or 0.92%, with a trading volume of 10.7183 million shares and a trading value of 4.584 billion yuan [5]. - The SSE 500 ETF closed at 6.658, up 0.144 or 2.21%, with a trading volume of 2.2912 million shares and a trading value of 1.515 billion yuan [5]. - The Huaxia Science and Technology Innovation 50 ETF closed at 1.158, up 0.016 or 1.40%, with a trading volume of 37.0532 million shares and a trading value of 4.258 billion yuan [5]. - The E Fund Science and Technology Innovation 50 ETF closed at 1.131, up 0.018 or 1.62%, with a trading volume of 11.3728 million shares and a trading value of 1.275 billion yuan [5]. - The Shenzhen 300 ETF closed at 4.432, up 0.040 or 0.91%, with a trading volume of 1.8033 million shares and a trading value of 797 million yuan [5]. - The Shenzhen 500 ETF closed at 2.663, up 0.062 or 2.38%, with a trading volume of 986,200 shares and a trading value of 261 million yuan [5]. - The Shenzhen 100 ETF closed at 3.035, up 0.043 or 1.44%, with a trading volume of 345,000 shares and a trading value of 104 million yuan [5]. - The ChiNext ETF closed at 2.509, up 0.063 or 2.58%, with a trading volume of 14.2712 million shares and a trading value of 3.546 billion yuan [5]. 3.3 Option Factor - Volume and Open Interest PCR - The volume PCR and open interest PCR of various options show different trends, which can be used to analyze the strength and turning points of the underlying asset market [6][7]. 3.4 Option Factor - Pressure and Support Points - The pressure and support points of various options are analyzed from the perspective of the strike prices with the largest open interest of call and put options [8][10]. 3.5 Option Factor - Implied Volatility - The implied volatility of various options is calculated, including at-the-money implied volatility and weighted implied volatility, to reflect the market's expectation of future volatility [11][12]. 3.6 Strategy and Recommendations - The financial option sector is divided into large-cap blue-chip stocks, small and medium-cap stocks, and ChiNext stocks, and different option strategies are recommended for each sector [13]. - For each sector, specific option strategies are recommended based on the analysis of the underlying asset market, option factor research, and option strategy suggestions [14][15][16][17].

Report Summary 1. Report's Investment Rating for the Industry No investment rating for the industry is provided in the report. 2. Core Viewpoints - The stock market shows a bullish upward trend, with the Shanghai Composite Index, large-cap blue-chip stocks, small and medium-cap stocks, and ChiNext stocks all performing well [3]. - The implied volatility of financial options is gradually rising and fluctuating above the average level [3]. - For ETF options, it is suitable to construct covered strategies, neutral double-selling strategies, and vertical spread combination strategies; for stock index options, it is suitable to construct neutral double-selling strategies and arbitrage strategies between synthetic futures long or short positions and futures short or long positions [3]. 3. Summary by Relevant Catalogs 3.1 Financial Market Index Overview - The Shanghai Composite Index closed at 3,666.44, down 17.02 points or 0.46%, with a trading volume of 949.5 billion yuan, an increase of 6.24 billion yuan [4]. - The Shenzhen Component Index closed at 11,451.43, down 99.93 points or 0.87%, with a trading volume of 1,329.7 billion yuan, an increase of 6.58 billion yuan [4]. - The SSE 50 Index closed at 2,829.47, up 16.49 points or 0.59%, with a trading volume of 131.1 billion yuan, an increase of 5.6 billion yuan [4]. - The CSI 300 Index closed at 4,173.31, down 3.26 points or 0.08%, with a trading volume of 485.1 billion yuan, an increase of 22.3 billion yuan [4]. - The CSI 500 Index closed at 6,429.85, down 78.25 points or 1.20%, with a trading volume of 368 billion yuan, an increase of 14.5 billion yuan [4]. - The CSI 1000 Index closed at 6,976.49, down 87.85 points or 1.24%, with a trading volume of 513.6 billion yuan, an increase of 42.1 billion yuan [4]. 3.2 Option - Based ETF Market Overview - The SSE 50 ETF closed at 2.954, up 0.014 or 0.48%, with a trading volume of 9.2975 million lots, an increase of 9.2234 million lots, and a trading value of 2.757 billion yuan, an increase of 0.577 billion yuan [5]. - The SSE 300 ETF closed at 4.256, down 0.007 or 0.16%, with a trading volume of 8.8793 million lots, an increase of 8.8035 million lots, and a trading value of 3.797 billion yuan, an increase of 0.57 billion yuan [5]. - The SSE 500 ETF closed at 6.514, down 0.068 or 1.03%, with a trading volume of 2.239 million lots, an increase of 2.221 million lots, and a trading value of 1.465 billion yuan, an increase of 0.291 billion yuan [5]. - The Huaxia Science and Technology Innovation 50 ETF closed at 1.142, up 0.009 or 0.79%, with a trading volume of 67.6781 million lots, an increase of 67.2977 million lots, and a trading value of 7.79 billion yuan, an increase of 3.494 billion yuan [5]. - The E Fund Science and Technology Innovation 50 ETF closed at 1.113, up 0.006 or 0.54%, with a trading volume of 15.0785 million lots, an increase of 14.9893 million lots, and a trading value of 1.695 billion yuan, an increase of 0.711 billion yuan [5]. - The Shenzhen 300 ETF closed at 4.392, down 0.007 or 0.16%, with a trading volume of 1.4872 million lots, an increase of 1.4745 million lots, and a trading value of 0.656 billion yuan, an increase of 0.103 billion yuan [5]. - The Shenzhen 500 ETF closed at 2.601, down 0.03 or 1.14%, with a trading volume of 0.6412 million lots, an increase of 0.6339 million lots, and a trading value of 0.168 billion yuan, a decrease of 0.023 billion yuan [5]. - The Shenzhen 100 ETF closed at 2.992, down 0.021 or 0.70%, with a trading volume of 0.4926 million lots, an increase of 0.4853 million lots, and a trading value of 0.148 billion yuan, a decrease of 0.071 billion yuan [5]. - The ChiNext ETF closed at 2.446, down 0.027 or 1.09%, with a trading volume of 14.8928 million lots, an increase of 14.7031 million lots, and a trading value of 3.67 billion yuan, a decrease of 0.954 billion yuan [5]. 3.3 Option Factor - Volume and Position PCR - For the SSE 50 ETF option, the trading volume was 2.2963 million lots, an increase of 0.7432 million lots; the open interest was 1.551 million lots, an increase of 0.0037 million lots; the volume PCR was 0.68, unchanged; the position PCR was 1.15, an increase of 0.11 [6]. - For the SSE 300 ETF option, the trading volume was 1.9952 million lots, an increase of 0.3912 million lots; the open interest was 1.3969 million lots, an increase of 0.0173 million lots; the volume PCR was 0.81, an increase of 0.02; the position PCR was 1.11, an increase of 0.03 [6]. - For the SSE 500 ETF option, the trading volume was 2.1653 million lots, a decrease of 0.0015 million lots; the open interest was 1.3893 million lots, an increase of 0.0015 million lots; the volume PCR was 0.86, an increase of 0.12; the position PCR was 1.21, a decrease of 0.20 [6]. - For the Huaxia Science and Technology Innovation 50 ETF option, the trading volume was 2.2192 million lots, an increase of 0.8156 million lots; the open interest was 1.9538 million lots, a decrease of 0.0453 million lots; the volume PCR was 0.48, a decrease of 0.07; the position PCR was 0.75, an increase of 0.05 [6]. - For the E Fund Science and Technology Innovation 50 ETF option, the trading volume was 0.5254 million lots, an increase of 0.2541 million lots; the open interest was 0.5561 million lots, an increase of 0.0111 million lots; the volume PCR was 0.43, an increase of 0.02; the position PCR was 0.79, an increase of 0.07 [6]. - For the Shenzhen 300 ETF option, the trading volume was 0.2743 million lots, an increase of 0.0127 million lots; the open interest was 0.2781 million lots, a decrease of 0.0007 million lots; the volume PCR was 0.54, a decrease of 0.04; the position PCR was 1.08, an increase of 0.02 [6]. - For the Shenzhen 500 ETF option, the trading volume was 0.3433 million lots, a decrease of 0.034 million lots; the open interest was 0.3664 million lots, an increase of 0.0155 million lots; the volume PCR was 0.70, a decrease of 0.02; the position PCR was 0.94, a decrease of 0.01 [6]. - For the Shenzhen 100 ETF option, the trading volume was 0.181 million lots, a decrease of 0.0173 million lots; the open interest was 0.1534 million lots, a decrease of 0.0054 million lots; the volume PCR was 1.16, a decrease of 0.05; the position PCR was 1.29, an increase of 0.01 [6]. - For the ChiNext ETF option, the trading volume was 2.7026 million lots, a decrease of 0.3928 million lots; the open interest was 1.7565 million lots, an increase of 0.0169 million lots; the volume PCR was 0.68, unchanged; the position PCR was 1.41, a decrease of 0.01 [6]. - For the SSE 50 index option, the trading volume was 0.1019 million lots, an increase of 0.0377 million lots; the open interest was 0.0767 million lots, a decrease of 0.0009 million lots; the volume PCR was 0.43, a decrease of 0.08; the position PCR was 0.60, an increase of 0.05 [6]. - For the CSI 300 index option, the trading volume was 0.2142 million lots, an increase of 0.0452 million lots; the open interest was 0.1994 million lots, a decrease of 0.0045 million lots; the volume PCR was 0.55, an increase of 0.01; the position PCR was 0.87, an increase of 0.07 [6]. - For the CSI 1000 index option, the trading volume was 0.4051 million lots, an increase of 0.0084 million lots; the open interest was 0.3093 million lots, an increase of 0.0075 million lots; the volume PCR was 0.79, an increase of 0.05; the position PCR was 1.15, a decrease of 0.07 [6]. 3.4 Option Factor - Pressure and Support Points - For the SSE 50 ETF option, the pressure point was 2.95, the support point was 2.90 [8]. - For the SSE 300 ETF option, the pressure point was 4.30, the support point was 4.20 [8]. - For the SSE 500 ETF option, the pressure point was 6.50, the support point was 6.25 [8]. - For the Huaxia Science and Technology Innovation 50 ETF option, the pressure point was 1.15, the support point was 1.10 [8]. - For the E Fund Science and Technology Innovation 50 ETF option, the pressure point was 1.10, the support point was 1.05 [8]. - For the Shenzhen 300 ETF option, the pressure point was 4.40, the support point was 4.30 [8]. - For the Shenzhen 500 ETF option, the pressure point was 2.60, the support point was 2.55 [8]. - For the Shenzhen 100 ETF option, the pressure point was 2.90, the support point was 2.90 [8]. - For the ChiNext ETF option, the pressure point was 2.50, the support point was 2.30 [8]. - For the SSE 50 index option, the pressure point was 3200, the support point was 2700 [8]. - For the CSI 300 index option, the pressure point was 4200, the support point was 4000 [8]. - For the CSI 1000 index option, the pressure point was 7000, the support point was 6000 [8]. 3.5 Option Factor - Implied Volatility - For the SSE 50 ETF option, the at - the - money implied volatility was 13.97%, the weighted implied volatility was 15.44%, an increase of 0.37%; the annual average was 14.97%; the call implied volatility was 15.99%, the put implied volatility was 14.42%; the 20 - day historical volatility was 13.33%, and the difference between implied and historical volatility was 2.11% [11]. - For the SSE 300 ETF option, the at - the - money implied volatility was 15.42%, the weighted implied volatility was 16.31%, an increase of 0.36%; the annual average was 15.61%; the call implied volatility was 16.71%, the put implied volatility was 15.60%; the 20 - day historical volatility was 14.02%, and the difference between implied and historical volatility was 2.29% [11]. - For the SSE 500 ETF option, the at - the - money implied volatility was 17.46%, the weighted implied volatility was 19.09%, an increase of 0.83%; the annual average was 19.30%; the call implied volatility was 19.53%, the put implied volatility was 18.50%; the 20 - day historical volatility was 16.22%, and the difference between implied and historical volatility was 2.86% [11]. - For the Huaxia Science and Technology Innovation 50 ETF option, the at - the - money implied volatility was 25.75%, the weighted implied volatility was 28.37%, an increase of 0.57%; the annual average was 28.59%; the call implied volatility was 29.16%, the put implied volatility was 26.53%; the 20 - day historical volatility was 23.43%, and the difference between implied and historical volatility was 4.94% [11]. - For the E Fund Science and Technology Innovation 50 ETF option, the at - the - money implied volatility was 25.62%, the weighted implied volatility was 30.31%, an increase of 1.17%; the annual average was 29.39%; the call implied volatility was 31.47%, the put implied volatility was 27.38%; the 20 - day historical volatility was 24.39%, and the difference between implied and historical volatility was 5.91% [11]. - For the Shenzhen 300 ETF option, the at - the - money implied volatility was 15.48%, the weighted implied volatility was 17.63%, a decrease of 0.02%; the annual average was 16.84%; the call implied volatility was 18.03%, the put implied volatility was 16.75%; the 20 - day historical volatility was 15.07%, and the difference between implied and historical volatility was 2.56% [11]. - For the Shenzhen 500 ETF option, the at - the - money implied volatility was 17.84%, the weighted implied volatility was 19.44%, an increase of 1.21%; the annual average was 19.72%; the call implied volatility was 18.98%, the put implied volatility was 20.13%; the 20 - day historical volatility was 16.29%, and the difference between implied and historical volatility was 3.15% [11]. - For the Shenzhen 100 ETF option, the at - the - money implied volatility was 18.70%, the weighted implied volatility was 23.17%, an increase of 0.74%; the annual average was 20.69%; the call implied volatility was 21.60%, the put implied volatility was 24.70%; the 20 - day historical volatility was 18.93%, and the difference between implied and historical volatility was 4.24% [11]. - For the ChiNext ETF option, the at - the - money implied volatility was 26.28%, the weighted implied volatility was 28.17%, an increase of 0.