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.