Report Summary 1. Investment Rating The report does not provide an industry investment rating. 2. Core View The report suggests that with the decline in the stock index option market and the decrease in volatility, investors can consider selling call options at high prices [1]. 3. Summary of Related Content 3.1 Option Market Data Statistics - **Underlying Market Statistics**: The closing prices of the Shanghai - Shenzhen 300 Index, Shanghai 50 Index, and most ETFs declined, while the closing price of the CSI 1000 Index increased slightly. The trading volumes of most underlying assets decreased, such as the Shanghai - Shenzhen 300 Index with a trading volume of 250.82 billion shares, a decrease of 50.66 billion shares [1]. - **Option Market Statistics**: The trading volumes of various options decreased significantly, while the open - interest of most options increased. For example, the trading volume of CSI 1000 index options was 264,630, a decrease of 94,783, and the open - interest was 256,493, an increase of 17,161. The VL - PCR and OI - PCR of most options showed different degrees of change [1]. 3.2 Option Volatility Statistics - **Near - Month Options**: The implied volatility (ATM - IV) of most options decreased, such as the Shanghai 50 index option with an ATM - IV of 17.77%, a decrease of 1.27%. The historical volatility (HV) also showed different trends, with some increasing and some decreasing [4]. - **Next - Month Options**: The ATM - IV of most next - month options also decreased, for example, the Shanghai 50 index option with an ATM - IV of 18.90%, a decrease of 1.52% [4]. 3.3 Option Index Data Statistics - **Each Option Type**: The report presents multiple charts for each option type, including the full - contract PCR chart, the main - contract skewness chart, the volatility cone chart, and the volatility term - structure chart, which can help investors analyze the market conditions of different options [8][12][15].

General Information - The report date is August 11, 2025 [1] - The core view is that for stock index options, with the upward movement and decreasing volatility, a covered call strategy can be considered [1] Market Data Statistics Underlying Market Statistics - The closing price of the Shanghai Stock Exchange 50 Index was 2789.90, up 0.72, with a trading volume of 43.48 billion hands, an increase of 4.56 billion hands. The current - month synthetic futures price was 2790.47, with a basis of 0.57, and the next - month synthetic futures price was 2793.13, with a basis of 3.24 [2] - The closing price of the CSI 300 Index was 4122.51, up 17.54, with a trading volume of 190.44 billion hands, an increase of 17.27 billion hands. The current - month synthetic futures price was 4119.40, with a basis of - 3.11, and the next - month synthetic futures price was 4109.87, with a basis of - 12.64 [2] - The closing price of the CSI 1000 Index was 6943.94, up 105.81, with a trading volume of 260.97 billion hands, an increase of 9.50 billion hands. The current - month synthetic futures price was 6926.33, with a basis of - 17.60, and the next - month synthetic futures price was 6860.13, with a basis of - 83.80 [2] Option Market Statistics - For the Shanghai Stock Exchange 50 Index Option, the trading volume was 44922, an increase of 15604, the open interest was 78144, an increase of 3462, VL - PCR was 59.91%, OI - PCR was 53.47%, the C - maximum open interest (near - month) was 2800, and the P - maximum open interest (near - month) was 2750 [2] - For the CSI 300 Index Option, the trading volume was 116426, an increase of 37090, the open interest was 211865, an increase of 2426, VL - PCR was 55.35%, OI - PCR was 75.11%, the C - maximum open interest (near - month) was 4150, and the P - maximum open interest (near - month) was 4100 [2] - For the CSI 1000 Index Option, the trading volume was 321756, an increase of 105966, the open interest was 294708, an increase of 1052, VL - PCR was 77.77%, OI - PCR was 115.94%, the C - maximum open interest (near - month) was 7000, and the P - maximum open interest (near - month) was 6500 [2] Option Volatility Statistics Near - Month - The ATM - IV of the Shanghai Stock Exchange 50 Index Option was 11.76%, with an IV change of 0.07%, the same - term HV was 3.67%, with an HV change of - 3.47%, Skew was 3.19%, with a Skew change of 4.83%, and VIX was 17.79, with a VIX change of 0.750 [5] - The ATM - IV of the CSI 300 Index Option was 11.12%, with an IV change of - 0.13%, the same - term HV was 4.46%, with an HV change of - 2.43%, Skew was 3.96%, with a Skew change of 15.32%, and VIX was 17.71, with a VIX change of 0.081 [5] - The ATM - IV of the CSI 1000 Index Option was 16.44%, with an IV change of - 0.36%, the same - term HV was 13.83%, with an HV change of 3.68%, Skew was 0.27%, with a Skew change of 6.94%, and VIX was 22.28, with a VIX change of 0.321 [5] Next - Month - The ATM - IV of the Shanghai Stock Exchange 50 Index Option was 14.13%, with an IV change of 0.11%, the same - term HV was 8.00%, with an HV change of - 0.01%, and Skew was 9.40%, with a Skew change of 5.12% [5] - The ATM - IV of the CSI 300 Index Option was 14.25%, with an IV change of - 0.14%, the same - term HV was 8.70%, with an HV change of 0.04%, and Skew was 7.35%, with a Skew change of 3.52% [5] - The ATM - IV of the CSI 1000 Index Option was 18.15%, with an IV change of 0.13%, the same - term HV was 10.81%, with an HV change of 0.66%, and Skew was 0.20%, with a Skew change of 1.21% [5] Option Types and Related Charts Shanghai Stock Exchange 50 Index Option - There are charts of the full - contract PCR, the main - contract skew trend, the volatility cone, and the volatility term structure [9] CSI 300 Index Option - There are charts of the full - contract PCR, the main - contract skew trend, the volatility cone, and the volatility term structure [13] CSI 1000 Index Option - There are charts of the full - contract PCR, the main - contract skew trend, the volatility cone, and the volatility term structure [17] Shanghai Stock Exchange 50ETF Option - There are charts of the full - contract PCR, the main - contract skew trend, the volatility cone, and the volatility term structure [21] Huatai - Peregrine 300ETF Option - There are charts of the full - contract PCR, the main - contract skew trend, the volatility cone, and the volatility term structure [28] Southern CSI 500ETF Option - There are charts of the full - contract PCR, the main - contract skew trend, the volatility cone, and the volatility term structure [38] ChinaAMC STAR 50ETF Option - There are charts of the full - contract PCR, the main - contract skew trend, the volatility cone, and the volatility term structure [43] E Fund STAR 50ETF Option - There are charts of the full - contract PCR, the main - contract skew trend, the volatility cone, and the volatility term structure [53] Harvest 300ETF Option - There are charts of the full - contract PCR, the main - contract skew trend, the volatility cone, and the volatility term structure [57] Harvest CSI 500ETF Option - There are charts of the full - contract PCR, the main - contract skew trend, the volatility cone, and the volatility term structure [59] ChiNext ETF Option - There are charts of the full - contract PCR, the main - contract skew trend, the volatility cone, and the volatility term structure [66] Shenzhen 100ETF Option - There are charts of the full - contract PCR, the main - contract skew trend, the volatility cone, and the volatility term structure [68]

1. Report Industry Investment Rating - Not provided in the given content 2. Core View of the Report - In the stock index option market on August 8, 2025, there was a downward trend in volatility, and the positive skew declined. It is recommended to consider selling call options [1] 3. Summary by Related Catalogs 3.1 Market Data Statistics - **Underlying Market Statistics**: The closing prices of major indices and ETFs generally declined. For example, the Shanghai Composite 50 Index closed at 2789.17, down 9.14 points; the CSI 300 Index closed at 4104.97, down 9.70 points. Trading volumes also decreased in most cases, such as the Shanghai Composite 50 Index with a trading volume of 38.92 billion hands, a decrease of 3.41 billion hands [2] - **Option Market Statistics**: Trading volumes of most option contracts decreased, while some open interest increased. For instance, the trading volume of Shanghai Composite 50 Index options was 29,318, a decrease of 3,056, and the open interest was 74,682, a decrease of 361 [2] - **Option Volatility Statistics**: The implied volatility (IV) of most options decreased, and the historical volatility (HV) showed different trends. For example, the ATM - IV of Shanghai Composite 50 Index options was 11.69%, a decrease of 0.06%, and the 20 - day HV was 6.72%, a decrease of 2.69% [5] 3.2 Option Analysis by Type - **Shanghai Composite 50 Index Options**: Analyzed through full - contract PCR, main - contract skew, volatility cone, and volatility term structure charts [8][9] - **CSI 300 Index Options**: Similar analysis methods were used as the Shanghai Composite 50 Index options, including full - contract PCR, main - contract skew, volatility cone, and volatility term structure [12][13] - **CSI 1000 Index Options**: Analyzed using full - contract PCR, main - contract skew, volatility cone, and volatility term structure [15][16] - **ETF Options**: Options such as Shanghai Composite 50 ETF, Huatai - Baorui 300 ETF, and others were analyzed in terms of full - contract PCR, main - contract skew, volatility cone, and volatility term structure [19][20][24]

Report Overview - The report date is August 7, 2025, and it focuses on stock index options, suggesting that in a volatile and rising volatility environment with a change in implied volatility correlation, long - position investors can consider a protective put strategy [1] Market Data Statistics Underlying Market Statistics - The closing prices of the Shanghai Composite 50 Index, CSI 300 Index, and CSI 1000 Index are 2798.31, 4114.67, and 6862.15 respectively, with changes of 0.89, 1.18, and 0.84. Their trading volumes are 42.34 billion, 198.64 billion, and 261.39 billion hands respectively, with changes of 1.16 billion, 21.97 billion, and 3.26 billion hands [2] - For various ETFs, such as Shanghai Composite 50 ETF, Huatai - Berich 300 ETF, etc., their closing prices, price changes, trading volumes, and volume changes are also presented in detail [2] Option Market Statistics - The trading volumes and changes, open interests and changes, VL - PCR, OI - PCR, and the strike prices with the largest call and put open interests (near - month) are provided for different index options and ETF options, like Shanghai Composite 50 Index Option, CSI 300 Index Option, etc. For example, the trading volume of Shanghai Composite 50 Index Option is 32374, with a change of 3863 [2] Option Volatility Statistics - The ATM - IV, IV changes, same - term HV, HV changes, Skew, Skew changes, and VIX and its changes are reported for near - month and next - month options of different types. For instance, the near - month ATM - IV of Shanghai Composite 50 Index Option is 11.75%, with an IV change of 0.21% [5] Option Types Analysis Shanghai Composite 50 Index Option - Multiple charts show the full - contract PCR,主力 contract skewness trend, volatility cone, and volatility term structure, providing a comprehensive view of its market performance [8][9] CSI 300 Index Option - Similar to the Shanghai Composite 50 Index Option, there are charts for full - contract PCR,主力 contract skewness trend, volatility cone, and volatility term structure to analyze its characteristics [12][13] CSI 1000 Index Option - The report presents relevant charts for this option type, including主力 contract volatility, full - contract PCR,主力 contract skewness, volatility cone, and volatility term structure [15][16] Various ETF Options - For Shanghai Composite 50 ETF Option, Huatai - Berich 300 ETF Option, and other ETF options, their respective主力 contract volatility, full - contract PCR,主力 contract skewness, volatility cone, and volatility term structure are analyzed through charts [18][22]

Report Summary Core View The stock index options showed an upward movement with a decreasing volatility, and the implied volatility premium narrowed [1]. Market Data Summary Underlying Market Statistics - **Indices**: The Shanghai Composite 50 Index closed at 2790.73, up 21.34 points, with a trading volume of 41.26 billion hands, a decrease of 0.70 billion hands. The CSI 300 Index closed at 4103.45, up 32.75 points, with a trading volume of 178.85 billion hands, an increase of 16.58 billion hands. The CSI 1000 Index closed at 6787.48, up 47.79 points, with a trading volume of 223.72 billion hands, an increase of 10.23 billion hands [2]. - **ETFs**: The Shanghai Composite 50 ETF closed at 2.912, up 0.022, with a trading volume of 7.24 billion hands, an increase of 2.44 billion hands. The Huatai-PB CSI 300 ETF closed at 4.183, up 0.031, with a trading volume of 5.48 billion hands, an increase of 1.13 billion hands [2]. Option Market Statistics - **Trading Volume and Open Interest**: The trading volume of Shanghai Composite 50 Index Options was 30,577, an increase of 280, and the open interest was 72,824, a decrease of 1,212. The trading volume of CSI 300 Index Options was 78,143, an increase of 5,831, and the open interest was 205,892, an increase of 668 [2]. - **Volatility and PCR**: The ATM-IV of Shanghai Composite 50 Index Options was 11.59%, a decrease of 0.57%, and the VL-PCR was 48.61%, and the OI-PCR was 57.04%. The ATM-IV of CSI 300 Index Options was 11.16%, a decrease of 1.41%, and the VL-PCR was 52.69%, and the OI-PCR was 70.72% [2][5]. Individual Option Analysis The report provides detailed analysis and charts for various options, including Shanghai Composite 50 Index Options, CSI 300 Index Options, CSI 1000 Index Options, and multiple ETF options, covering aspects such as PCR, skew, volatility cone, and volatility term structure [8][12][15].

Report Date - The report is dated July 30, 2025 [1] Core Viewpoint - Stock index options: Implied volatility has declined, and there is still a significant implied volatility premium. A covered call strategy can be considered [2] Market Data Summary Underlying Market Statistics - **Indices**: The Shanghai Composite 50 Index closed at 2819.35, up 10.76; the CSI 300 Index closed at 4151.24, down 0.79; the CSI 1000 Index closed at 6718.48, down 55.40 [3] - **ETFs**: The Shanghai Composite 50 ETF closed at 2.943, up 0.009; the Huatai-PineBridge CSI 300 ETF closed at 4.232, down 0.003; etc [3] Option Market Statistics - **Volume and Open Interest**: For example, the trading volume of Shanghai Composite 50 index options was 56,146, an increase of 29,906; the open interest was 68,176, a decrease of 2,286 [3] - **PCR**: The VL-PCR and OI-PCR of different options vary, such as the VL-PCR of Shanghai Composite 50 index options was 51.35%, and the OI-PCR was 58.89% [3] Option Volatility Statistics - **ATM-IV and HV**: The ATM-IV of Shanghai Composite 50 index options (near - month) was 14.82%, down 1.32%; the same - term HV was 6.37%, up 0.05% [6] - **Skew and VIX**: The Skew of Shanghai Composite 50 index options was 9.62%, down 3.24%; the VIX was 18.64, down 0.976 [6]

【正文】 2025 年 7 月 29 日 股票股指期权：盘中隐波与标的呈现正相关上 行，隐波溢价扩大。 张雪慧 投资咨询从业资格号：Z0015363 zhangxuehui022447@gtjas.com 表 1：期权市场数据统计 | 标的市场统计 | 收盘价 | 涨跌 | 成交量(亿 | 成交变化 | 当月 | | 次月 | 次月基差 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | | 手) | (亿手) | 合成期货 | 当月基差 | 合成期货 | | | 上证50指数 | 2808.59 | 5.82 | 47.05 | -2.69 | 2814.33 | 5.74 | 2816.33 | 7.74 | | 沪深300指数 | 4152.02 | 16.20 | 230.81 | 8.05 | 4153.00 | 0.98 | 4142.67 | -9.36 | | 中证1000指数 | 6773.88 | 43.91 | 259.26 | 6.52 | 6732.20 | -41.68 | 6661.07 | -112.8 ...

Report Date - The report is dated July 24, 2025 [1] Investment Rating - No investment rating for the industry is provided in the report Core Viewpoint - Due to the high positive skew percentile of stock index options, a bullish call spread strategy can be considered [2] Data Summary Underlying Market Statistics - The closing prices of the Shanghai Stock Exchange 50 Index, CSI 300 Index, and CSI 1000 Index are 2812.44, 4149.04, and 6701.12 respectively, with increases of 11.24, 29.27, and 93.90 [3] - The trading volumes of the Shanghai Stock Exchange 50 Index, CSI 300 Index, and CSI 1000 Index are 60.28 billion, 319.63 billion, and 285.42 billion hands respectively, with changes of -7.65 billion, 19.13 billion, and -8.69 billion hands [3] Option Market Statistics - The trading volumes of Shanghai Stock Exchange 50 Index Options, CSI 300 Index Options, and CSI 1000 Index Options are 36,748, 87,017, and 196,037 respectively, with changes of -18,679, -46,300, and -29,170 [3] - The open interests of Shanghai Stock Exchange 50 Index Options, CSI 300 Index Options, and CSI 1000 Index Options are 62,312, 173,462, and 232,248 respectively, with changes of 2,593, 6,427, and 6,805 [3] Option Volatility Statistics - The ATM - IV of Shanghai Stock Exchange 50 Index Options, CSI 300 Index Options, and CSI 1000 Index Options are 16.65%, 16.55%, and 20.21% respectively, with changes of 0.21%, -0.11%, and 0.91% [6] - The Skew of Shanghai Stock Exchange 50 Index Options, CSI 300 Index Options, and CSI 1000 Index Options are 16.39%, 14.22%, and 7.27% respectively, with changes of 0.57%, 5.34%, and 1.49% [6]

Report Summary 1. Report Industry Investment Rating No investment rating information is provided in the report. 2. Core View The report focuses on the stock index and ETF options market on July 22, 2025, presenting data on market trends, including price changes, trading volume, open interest, and volatility, and warns about the expiration risk of ETF options [1]. 3. Summary by Category Market Data - **Underlying Market Statistics**: The closing prices of major indices and ETFs rose, with varying trading volume changes. For example, the Shanghai Composite 50 Index closed at 2792.18, up 19.94, and its trading volume was 68.31 billion hands, an increase of 18.36 billion hands [1]. - **Options Market Statistics**: Trading volume and open interest of most options increased. The PCR values (Volume - PCR and Open Interest - PCR) varied among different options, reflecting different market sentiment. For instance, the Volume - PCR of CSI 1000 Index Options was 72.54% [1]. - **Options Volatility Statistics**: Implied volatility (IV) and historical volatility (HV) of options showed different trends. For example, the near - month ATM - IV of Shanghai Composite 50 Index Options was 14.56%, with a 0.22% increase [4]. Index and ETF Options Analysis - **Shanghai Composite 50 Index Options**: Analyzed through full - contract PCR,主力 contract skew, volatility cone, and volatility term structure charts, showing market sentiment and volatility characteristics [7][8]. - **CSI 300 Index Options**: Similar analysis methods were used, with data presented in corresponding charts to reflect market conditions [11][12]. - **CSI 1000 Index Options**: The report analyzed its market performance from multiple perspectives, including trading volume, open interest, and volatility [14][15]. - **ETF Options**: Options such as Shanghai Composite 50ETF, Huatai - Berry 300ETF, and others were analyzed using PCR, skew, volatility cone, and term structure charts to understand their market trends [19][20].

Report Summary 1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoint As of July 17, 2025, the positive skew of stock index options has increased, indicating a rise in bullish sentiment, and the index options are approaching expiration [1]. 3. Summary by Relevant Catalog 3.1 Option Market Data Statistics - **Underlying Market Statistics**: The closing prices of the Shanghai Stock Exchange 50 Index, CSI 300 Index, and CSI 1000 Index were 2744.26, 4034.49, and 6535.67 respectively, with increases of 3.36, 27.29, and 73.61. The trading volumes were 36.15 billion, 161.25 billion, and 227.83 billion hands respectively, with changes of 1.91 billion, 10.22 billion, and 7.60 billion hands [2]. - **Option Market Statistics**: The trading volume and open interest of various options showed different changes. For example, the trading volume of Shanghai Stock Exchange 50 Index Options was 39,744, a decrease of 2,611, and the open interest was 77,564, an increase of 2,283 [2]. 3.2 Option Volatility Statistics - **Near - month Volatility**: The ATM - IV of Shanghai Stock Exchange 50 Index Options was 13.16%, with a change of 0.10%. The ATM - IV of CSI 300 Index Options was 11.69%, with a change of 0.81% [5]. - **Next - month Volatility**: The ATM - IV of Shanghai Stock Exchange 50 Index Options was 14.31%, with a change of 0.43%. The ATM - IV of CSI 300 Index Options was 14.05%, with a change of - 0.13% [5]. 3.3 Option Index Data Statistics No specific text description provided, but there are multiple charts for different option types, including PCR charts, skewness charts, volatility cone charts, and volatility term structure charts, which visually show the characteristics and trends of each option [9][13][22].