1. Report Industry Investment Rating - No relevant information provided 2. Core Viewpoints - On January 29, the A-share market continued its narrow consolidation. Liquor stocks saw a wave of limit - up in the afternoon, and gold stocks remained strong. The Shanghai Composite Index closed up 0.16% at 4,157.98 points, while the Shenzhen Component Index fell 0.3%, the ChiNext Index fell 0.57%, the North - bound 50 Index fell 1.69%, the Science and Technology Innovation 50 Index fell 3.03%, the Wind All - A Index fell 0.23%, the Wind A500 Index rose 0.5%, and the CSI A500 Index rose 0.3%. The total A - share trading volume for the day was 3.26 trillion yuan, compared with 2.99 trillion yuan the previous day [4] 3. Summary by Related Contents 3.1 Market Quotes Review - **Index Closing Price and Changes** - The closing price of the Shanghai 50 Index was 2,948.88, with an increase of 100.71 and a daily increase of 1.65%. The trading volume was 31.109135 billion, and the trading value was 100.71 billion yuan - The closing price of the CSI 300 Index was 4,753.8697, with an increase of 0.76. The trading volume was 41.551 billion, and the trading value was 917.966 billion yuan - The closing price of the CSI 1000 Index was 8,332.2067, with a decrease of 0.80%. The trading volume was 401.99 billion, and the trading value was 677.736 billion yuan [3] - **China Financial Futures Exchange Stock Index Options Trading Situation** - **Shanghai 50 Index Options**: The trading volume of call options was 6.93 million contracts, and the trading volume of put options was 5.06 million contracts. The open interest of call options was 7.97 million contracts, and the open interest of put options was 4.87 million contracts. The trading volume PCR was 0.73, and the open interest PCR was 0.61 - **CSI 300 Index Options**: The trading volume of call options was 8.23 million contracts, and the trading volume of put options was 9.11 million contracts. The open interest of call options was 20.85 million contracts, and the open interest of put options was 12.63 million contracts. The trading volume PCR was 1.11, and the open interest PCR was 0.61 - **CSI 1000 Index Options**: The trading volume of call options was 33.22 million contracts, and the trading volume of put options was 32.21 million contracts. The open interest of call options was 16.19 million contracts, and the open interest of put options was 16.02 million contracts. The trading volume PCR was 0.97, and the open interest PCR was 0.99 [3] 3.2 Volatility Analysis - **Shanghai 50 Volatility Analysis** - The historical volatility cone shows the maximum, minimum, 10% quantile, 30% quantile, 60% quantile, 90% quantile values, as well as the current values of HV5, HV20, and HV60 - The volatility smile curve shows the implied volatility of the next - month at - the - money options of the Shanghai 50 Index [3] - **CSI 300 Volatility Analysis** - The historical volatility cone presents the maximum, minimum, 10% quantile, 30% quantile, 60% quantile, 90% quantile values, along with the current values of HV5, HV20, and HV60 - The volatility smile curve shows the implied volatility of the next - month at - the - money options of the CSI 300 Index [3] - **CSI 1000 Volatility Analysis** - The historical volatility cone displays the maximum, minimum, 10% quantile, 30% quantile, 60% quantile, 90% quantile values, together with the current values of HV5, HV20, and HV60 - The volatility smile curve shows the implied volatility of the next - month at - the - money options of the CSI 1000 Index [3]

Report Summary 1. Report Industry Investment Rating - No information provided 2. Core Viewpoints - On January 28, the A - share market showed a narrow - range consolidation. The Shanghai Composite Index rose 0.27% to close at 4151.24 points, the Shenzhen Component Index rose 0.09%, the ChiNext Index fell 0.57%, the North Star 50 fell 0.16%, the STAR 50 fell 0.08%, the Wind All - A rose 0.11%, the Wind A500 rose 0.43%, and the CSI A500 rose 0.35%. The total trading volume of A - shares was 2.99 trillion yuan, compared with 2.92 trillion yuan the previous day [4] - The non - ferrous metals sector saw a wave of daily limit, and resource stocks strengthened across the board [4] 3. Summary by Relevant Catalogs 3.1 Market Quotes Review - **Index Closing Prices and Changes**: The closing price of the Shanghai Stock Exchange 50 was 3060.557, with a daily increase of 0.27% and a trading volume of 96.37 billion and a turnover of 2526.23 billion yuan; the closing price of the CSI 300 was 382.26, with an increase of 0.26%, a trading volume of 8294.14 billion and a turnover of 4717.9914 billion yuan; the closing price of the CSI 1000 was 349.66, with an increase of 0.21%, a trading volume of 8399.7938 billion and a turnover of 6273.57 billion yuan [3] - **China Financial Futures Exchange Stock Index Options Trading Situation**: For the Shanghai Stock Exchange 50 index options, the call option trading volume was 3.58 million contracts, the put option trading volume was 2.51 million contracts, the call option open interest was 8.39 million contracts, and the put option open interest was 5.28 million contracts; for the CSI 300 index options, the call option trading volume was 6.29 million contracts, the put option trading volume was 3.21 million contracts, the call option open interest was 20.24 million contracts, and the put option open interest was 7.94 million contracts; for the CSI 1000 index options, the call option trading volume was 21.88 million contracts, the put option trading volume was 13.07 million contracts, the call option open interest was 31.68 million contracts, and the put option open interest was 15.77 million contracts [3] 3.2 Volatility Analysis - **Shanghai Stock Exchange 50 Volatility**: Analyzed the historical volatility and the historical volatility cone, including the maximum, 30% quantile value, minimum, 10% quantile value, HV5, HV20, HV60, 90% quantile value, 60% quantile value and the current value. Also presented the next - month at - the - money implied volatility and the volatility smile curve [3] - **CSI 300 Volatility**: Analyzed the historical volatility and the historical volatility cone with relevant quantile values and current values, and showed the next - month at - the - money implied volatility and the volatility smile curve [3] - **CSI 1000 Volatility**: Analyzed the historical volatility and the historical volatility cone, and presented the next - month at - the - money implied volatility and the volatility smile curve [3]

Group 1: Report Information - Report title: Stock Index Option Data Daily Report [2] - Report date: January 28, 2026 [3] - Data sources: Wind, Guomao Futures Research Institute [3] Group 2: Market Review - On January 27, the A - share market fluctuated and rose with scattered hotspots. Gold stocks rose again with many hitting new highs. Commercial space and space photovoltaic themes strengthened locally. The Shanghai Composite Index closed up 0.18% at 4139.9 points, the Shenzhen Component Index rose 0.09%, the ChiNext Index rose 0.71%, the Beixin 50 fell 0.05%, the Kechuang 50 rose 1.51%, the Wind All - A rose 0.14%, the Wind A500 fell 0.03%, and the CSI A500 rose 0.08%. A - share trading volume was 2.92 trillion yuan, compared with 3.28 trillion yuan the previous day [4] Group 3: Index Performance | Index | Closing Price | Change (%) | Trading Volume (billion) | Turnover (billion yuan) | | --- | --- | --- | --- | --- | | SSE 50 | 3052.3932 | 0.09 | 2023.27 | 75.14 | | CSI 300 | 4705.6918 | - 0.03 | 7152.68 | 301.48 | | CSI 1000 | 8382.1533 | 0.20 | 365.66 | 6302.08 | [3] Group 4: CFFEX Stock Index Option Trading | Index | Call Option Volume (10,000 contracts) | Put Option Volume (10,000 contracts) | Option Volume (10,000 contracts) | Call Option Open Interest (10,000 contracts) | Put Option Open Interest (10,000 contracts) | Option Open Interest (10,000 contracts) | Volume PCR | Open Interest PCR | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | SSE 50 | 3.78 | 1.50 | 5.28 | 3.01 | 0.40 | 3.41 | 0.40 | 0.13 | | CSI 300 | 8.37 | 3.51 | 11.88 | 7.71 | 11.81 | 19.52 | 0.42 | 1.53 | | CSI 1000 | 33.75 | 31.11 | 64.86 | 18.80 | 15.59 | 34.39 | 0.92 | 0.83 | [3] Group 5: Volatility Analysis - The report presents historical volatility cones and volatility smile curves for SSE 50, CSI 300, and CSI 1000, including maximum, minimum, 10%, 30%, 60%, 90% quantile values, and current values of historical volatility, as well as next - month at - the - money implied volatility [3]

1. Report Industry Investment Rating - No relevant information provided 2. Core Viewpoints - On January 22, A-shares showed narrow consolidation with unapparent sector rotation, and funds still favored the commercial aerospace direction. The Shanghai Composite Index rose 0.14% to close at 4122.58 points, the Shenzhen Component Index rose 0.5%, the ChiNext Index rose 1.01%, the North Star 50 Index rose 0.69%, the STAR 50 Index rose 0.41%, the Wind All A Index rose 0.44%, the Wind A500 Index rose 0.09%, and the CSI 4500 Index rose 0.12%. The total trading volume of A-shares throughout the day was 2.72 trillion yuan, compared with 2.62 trillion yuan the previous day [5] 3. Summary by Relevant Catalogs 3.1 Market Review | Index | Closing Price | Change (%) | Turnover (Billion Yuan) | Trading Volume (Billion) | | --- | --- | --- | --- | --- | | Index 1 | 3053.1277 | -0.46 | 1934.11 | 62.92 | | Index 2 | 4723.7091 | 0.01 | 6902.35 | 274.20 | | Index 3 | 8309.3456 | 0.75 | 5718.06 | 328.56 | [3] 3.2 CFFEX Stock Index Option Trading Situation | Option Type | Option Trading Volume (Ten Thousand Contracts) | Call Option Volume | Put Option Volume | PCR | Option Open Interest (Ten Thousand Contracts) | Call Option Open Interest | Put Option Open Interest | PCR | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Option 1 | 3.25 | 1.98 | 1.27 | 0.64 | 6.51 | 4.00 | 2.51 | 0.63 | | Option 2 | 8.41 | 5.17 | 3.23 | 0.62 | 17.10 | 10.23 | 6.87 | 0.67 | | Option 3 | 18.84 | 10.99 | 7.85 | 0.71 | 28.94 | 14.46 | 14.47 | 1.00 | [3] 3.3 Volatility Analysis - The report presents the historical volatility cones and volatility smile curves for the SSE 50, CSI 300, and CSI 1000 indices, including information such as the maximum, minimum, 10%, 30%, 60%, 90% quantile values, and the current values, as well as the next-month at-the-money implied volatility [7]

Report Overview - This is an index option data daily report from Guomao Futures Research Institute, covering market trends, trading volumes, and volatility analysis of the Shanghai - Shenzhen 300, Shanghai 50, and China Securities 1000 indices on December 30, 2025 [3][5] Market Trends Index Performance - The Shanghai Composite Index closed slightly lower at 3965.12 points. The Shenzhen Component Index rose 0.49%, the ChiNext Index rose 0.63%, the Beijing Stock Exchange 50 fell 0.4%, the Science and Technology Innovation 50 rose 1.01%, the Wind All - A rose 0.13%, the Wind A500 rose 0.28%, and the CSI A500 rose 0.32% [5] - The trading volume of A - shares throughout the day was 2.16 trillion yuan, the same as the previous day [5] Index Details | Index | Closing Price | Change (%) | Trading Volume (Billion Yuan) | Turnover (Billion) | |--|--|--|--|--| | Shanghai 50 | 38.54 | 0.06 | 3036.5523 | 1131.75 | | Shanghai - Shenzhen 300 | 4651.2818 | 0.26 | 4571.85 | 180.37 | | China Securities 1000 | 7597.299 | 0.04 | 4680.24 | 263.33 | [3] Option Trading Volume and Open Interest Shanghai 50 - Call option trading volume was 2.51 million contracts, put option trading volume was 1.53 million contracts, with a trading volume PCR of 0.64. The open interest of call options was 3.11 million contracts, and that of put options was 2.09 million contracts, with an open - interest PCR of 0.67 [3] Shanghai - Shenzhen 300 - Call option trading volume was 9.80 million contracts, put option trading volume was 6.08 million contracts, with a trading volume PCR of 0.61. The open interest of call options was 9.87 million contracts, and that of put options was 7.26 million contracts, with an open - interest PCR of 0.74 [3] China Securities 1000 - Call option trading volume was 12.30 million contracts, put option trading volume was 8.84 million contracts, with a trading volume PCR of 0.72. The open interest of call options was 14.17 million contracts, and that of put options was 14.59 million contracts, with an open - interest PCR of 0.97 [3] Volatility Analysis Shanghai 50 - Historical volatility analysis includes historical volatility cones, with different percentile values and current values presented. The volatility smile curve shows the implied volatility of next - month at - the - money options [3][4] Shanghai - Shenzhen 300 - Similar to the Shanghai 50, historical volatility analysis and volatility smile curves are provided [3][4] China Securities 1000 - Historical volatility analysis and volatility smile curves are also presented, with different percentile values and current values for historical volatility [3][4]

Report Summary 1. Report Industry Investment Rating - No information provided 2. Core Viewpoints - On December 19, the A-share market fluctuated higher. Hainan local stocks saw a wave of limit - up, and many high - position stocks tumbled at the end of the session. The Shanghai Composite Index rose 0.36% to close at 3890.45 points, the Shenzhen Component Index rose 0.66%, the ChiNext Index rose 0.49%, the Northbound 50 Index rose 0.99%, the Science and Technology Innovation 50 Index rose 0.2%, the Wind All - A Index rose 0.8%, the Wind A500 Index rose 0.52%, and the CSI A500 Index rose 0.55%. The A - share trading volume for the day was 1.75 trillion yuan, compared with 1.68 trillion yuan the previous day [5] 3. Summary by Relevant Catalogs Market Review - **Index Performance**: The closing price of the Shanghai 50 Index was 949.40, with a daily increase of 36.61, a trading volume of 3004.3401 billion yuan, and a turnover of 0.19 billion. The closing price of the CSI 300 Index was 4568.1781, with a daily increase of 0.34, a trading volume of 154.88 billion yuan, and a turnover of 0.79 billion. The closing price of the CSI 1000 Index was 7329.8057, with a daily increase of 219.21 [3] - **CFFEX Stock Index Option Trading Situation**: For the Shanghai 50 Index, the call option trading volume was 3.47 million contracts, the put option trading volume was 5.58 million contracts, the call option open interest was 3.89 million contracts, the put option open interest was 2.39 million contracts, and the open interest PCR was 0.63. For the CSI 300 Index, the call option trading volume was 15.02 million contracts, the put option trading volume was 0.62 million contracts, the call option open interest was 8.05 million contracts, and the open interest PCR was 0.65. For the CSI 1000 Index, the call option trading volume was 32.84 million contracts, the put option trading volume was 17.11 million contracts, the call option open interest was 22.82 million contracts, the put option open interest was 11.80 million contracts, and the open interest PCR was 0.93 [3] Volatility Analysis - **Shanghai 50 Volatility**: The historical volatility cone shows the current value and different percentile values (10%, 30%, 60%, 90%, etc.) of historical volatility. The volatility smile curve for the next - month at - the - money implied volatility of the Shanghai 50 Index is presented [3][4] - **CSI 300 Volatility**: Similar to the Shanghai 50 Index, the historical volatility cone and the volatility smile curve for the next - month at - the - money implied volatility of the CSI 300 Index are provided [3][4] - **CSI 1000 Volatility**: The historical volatility cone and the volatility smile curve for the next - month at - the - money implied volatility of the CSI 1000 Index are also shown [3][4]

Report Summary 1. Report Industry Investment Rating No information provided on the report industry investment rating. 2. Report's Core View The report provides a daily data analysis of stock index options, including the performance of major stock indices, trading volume and open interest of index options, and volatility analysis of different indices [3][4]. 3. Summary by Relevant Catalogs 3.1 Market Review - **Stock Index Performance**: On November 12, the A - share market fluctuated throughout the day. The Shanghai Composite Index fell 0.07% to 4000.14 points, the Shenzhen Component Index fell 0.36%, the ChiNext Index fell 0.39%, the North - Securities 50 fell 0.43%, the STAR 50 fell 0.58%, the Wind All - A fell 0.38%, the Wind A500 fell 0.27%, and the CSI A500 fell 0.25%. The total trading volume of A - shares was 1.96 trillion yuan, compared with 2.01 trillion yuan the previous day [4]. - **Index Data**: The closing price of the SSE 50 was 1368.90, with a change of 57.52, a trading volume of 0.32 billion, and a turnover of 3044.3011 billion yuan; the closing price of the CSI 300 was 4645.9079, with a change of - 0.13, a trading volume of 7486.3766 billion, and a turnover of 209.46 billion yuan; the closing price of the CSI 1000 was 3904.82, with a change of 266.96 [3]. 3.2 CFFEX Stock Index Option Trading Situation - **Option Volume and Open Interest**: For the SSE 50, the trading volume of call options was 2.81 million, put options was 0.59 million, the total trading volume was 7.21 million, the open interest of call options was 3.11 million, put options was 0.76 million, and the total open interest was 4.46 million; for the CSI 300, the trading volume of call options was 12.11 million, put options was 0.69 million, the total trading volume was 21.45 million, the open interest of call options was 11.64 million, put options was 4.96 million, and the total open interest was 9.81 million; for the CSI 1000, the trading volume of call options was 0.89 million, put options was 32.55 million, the total trading volume was 31.56 million, the open interest of call options was 14.83 million, put options was 15.96 million, and the total open interest was 16.58 million [3]. - **PCR (Put - Call Ratio)**: The trading volume PCR of the SSE 50 was 1.65, the open interest PCR was 4.10; the trading volume PCR of the CSI 300 was 0.84, the open interest PCR was 16.73; the trading volume PCR of the CSI 1000 was 1.04 [3]. 3.3 Volatility Analysis - **SSE 50 Volatility**: Analyzed through historical volatility and the historical volatility cone, also presented the volatility smile curve and the implied volatility of at - the - money options for the next month [3][4]. - **CSI 300 Volatility**: Analyzed through historical volatility and the historical volatility cone, also presented the volatility smile curve and the implied volatility of at - the - money options for the next month [3][4]. - **CSI 1000 Volatility**: Analyzed through historical volatility and the historical volatility cone, also presented the volatility smile curve and the implied volatility of at - the - money options for the next month [3][4].

Report Summary 1. Report Industry Investment Rating - There is no information about the report industry investment rating in the provided content. 2. Core Viewpoints - On November 3rd, the A - share market recovered after hitting a low, with all three major indexes closing in the green. The ChiNext Index dropped 2% during the session. The Shanghai Composite Index rose 0.55% to 3976.52 points, the Shenzhen Component Index rose 0.19%, and the ChiNext Index rose 0.29%. The North Securities 50 Index fell 0.98%, the Sci - Tech Innovation 50 Index fell 1.04%, the Wind All - A Index rose 0.39%, the Wind 4500 Index rose 0.19%, and the CSI A500 Index rose 0.19%. The total trading volume of A - shares for the day was 2.13 trillion yuan, compared with 2.35 trillion yuan the previous day [5]. 3. Summary by Relevant Catalogs 3.1 Market Index Quotes - The Shanghai Stock Exchange 50 Index closed at 3016.3507, up 0.16%, with a trading volume of 1346.37 billion yuan and a trading volume of 54.90 billion [3]. - The CSI 300 Index closed at 4653.4028, up 0.27%, with a trading volume of 5576.03 billion yuan and a trading volume of 239.87 billion [3]. - The CSI 1000 Index closed at 7538.1178, up 0.42%, with a trading volume of 4324.23 billion yuan and a trading volume of 278.24 billion [3]. 3.2 CFFEX Stock Index Option Trading Situation | Index | Call Option Volume (10,000 contracts) | Put Option Volume (10,000 contracts) | Volume PCR | Call Option Open Interest (10,000 contracts) | Put Option Open Interest (10,000 contracts) | Open Interest PCR | | ---- | ---- | ---- | ---- | ---- | ---- | ---- | | Shanghai Stock Exchange 50 | 3.57 | 2.22 | 0.61 | 2.98 | 1.97 | 0.66 | | CSI 300 | 7.15 | 5.25 | 0.73 | 11.03 | 8.64 | 0.78 | | CSI 1000 | 24.31 | 12.92 | 0.88 | 14.44 | 15.01 | 1.04 | [3] 3.3 Volatility Analysis - The report presents historical volatility cones and volatility smile curves for the Shanghai Stock Exchange 50, CSI 300, and CSI 1000 indexes, including historical volatility data for different periods such as 5 - day, 20 - day, 40 - day, 60 - day, and 120 - day, as well as the current value and percentile values [3][4].

1. Report Industry Investment Rating - Not provided in the given content 2. Core View of the Report - The report presents the daily data of stock index options, including the performance of major indices such as the Shanghai Composite Index, Shenzhen Component Index, and ChiNext Index, as well as the trading volume, closing price, and turnover of index options [3][5] 3. Summary by Relevant Catalogs 3.1 Market Review - **Index Performance**: The Shanghai Composite Index rose 0.71% to 3950.31 points, with a weekly increase of 2.88%. The Shenzhen Component Index rose 2.02% with a weekly increase of 4.73%. The ChiNext Index rose 3.57% with a weekly increase of 8.05%. The CSI 300 rose 1.18% with a weekly increase of 3.24%. The Beijing Stock Exchange 50 rose 1.15% with a weekly increase of 2.74%. The STAR 50 rose 4.35% with a weekly increase of 7.27%. The Wind All A rose 1.27% with a weekly increase of 3.47%. The Wind A500 rose 1.31% with a weekly increase of 3.46%. The CSI A500 rose 1.38% with a weekly increase of 3.59% [5] - **Trading Volume**: A - shares had a full - day trading volume of 1.99 trillion yuan, compared with 1.66 trillion yuan the previous day [5] 3.2 CFFEX Stock Index Option Trading Situation - **Shanghai 50 Index Options**: The trading volume of call options was 3.67 million contracts, and put options was 3.73 million contracts. The open interest of call options was 2.51 million contracts, and put options was 6.25 million contracts. The trading volume PCR was 1.16, and the open interest PCR was 0.46 [3] - **CSI 300 Index Options**: The trading volume of call options was 10.20 million contracts, and put options was 6.52 million contracts. The open interest of call options was 8.83 million contracts, and put options was 7.06 million contracts. The trading volume PCR was 0.56, and the open interest PCR was 0.80 [3] - **CSI 1000 Index Options**: The trading volume of call options was 22.14 million contracts, and put options was 12.73 million contracts. The open interest of call options was 26.83 million contracts, and put options was 13.75 million contracts. The trading volume PCR was 0.74, and the open interest PCR was 0.95 [3] 3.3 Volatility Analysis - **Shanghai 50 Volatility**: Historical volatility and volatility smile curves are presented, including historical volatility cone data such as 10% and 30% quantile values, minimum, maximum, and current values [3][4] - **CSI 300 Volatility**: Similar to the Shanghai 50, historical volatility and volatility smile curves are shown, along with historical volatility cone data [3][4] - **CSI 1000 Volatility**: Historical volatility and volatility smile curves are provided, along with historical volatility cone data [3][4]

Group 1: Report Information - Report Title: Stock Index Option Data Daily Report [2] - Date: October 24, 2025 [3] - Author: Li Zeju from the Financial Derivatives Center of Guomao Futures Research Institute [3] - Data Sources: Wind, Guomao Futures Research Institute [3] Group 2: Market Review Index Performance - The closing price of SSE 50 was 1212.08, with a daily increase of 60.21, a turnover of 302.69044 billion yuan, and a trading volume of 0.56 billion [3]. - The closing price of CSI 300 was not available, with a daily increase of 0.30, a turnover of 420.8 billion yuan, and a trading volume of 200.46 billion [3]. - The closing price of CSI 1000 was not provided, with a daily decrease of 0.06 [3]. Overall Market - The Shanghai Composite Index rose 0.22% to 3922.41 points, the Shenzhen Component Index rose 0.22%, the ChiNext Index rose 0.09%, the Beijing Stock Exchange 50 Index fell 1.07%, the STAR 50 Index fell 0.3%, the Wind All - A Index rose 0.14%, the Wind A500 Index rose 0.37%, and the CSI A500 Index rose 0.29% [4]. - A - share trading volume was 1.66 trillion yuan for the day, compared with 1.69 trillion yuan the previous day [4]. Group 3: CFFEX Stock Index Option Trading Option Volume - For SSE 50, the trading volume of call options was 2.27 million contracts, and that of put options was 3.60 million contracts, with a trading volume PCR of 1.32 [3]. - For CSI 300, the trading volume of call options was 6.35 million contracts, and that of put options was 6.54 million contracts, with a trading volume PCR of 0.74 [3]. - For CSI 1000, the trading volume of call options was 24.00 million contracts, and that of put options was 12.98 million contracts, with a trading volume PCR of 0.85 [3]. Option Open Interest - For SSE 50, the open interest of call options was 3.59 million contracts, and that of put options was 2.41 million contracts, with an open - interest PCR of 0.67, and the total open interest was 6.00 million contracts [3]. - For CSI 300, the open interest of call options was 10.41 million contracts, and that of put options was 4.06 million contracts, with an open - interest PCR of 0.39, and the total open interest was 15.42 million contracts [3]. - For CSI 1000, the open interest of call options was 25.99 million contracts, and that of put options was 12.26 million contracts, with an open - interest PCR of 0.47 [3]. Group 4: Volatility Analysis SSE 50 Volatility - Historical volatility was analyzed using a historical volatility cone, showing different percentile values and current values for different time - periods (HV5, HV20, HV60, etc.) [3][4]. - The volatility smile curve for the next - month at - the - money implied volatility was presented [3][4]. CSI 300 Volatility - Similar to SSE 50, historical volatility was analyzed using a historical volatility cone, and the volatility smile curve for the next - month at - the - money implied volatility was shown [4]. CSI 1000 Volatility - Historical volatility was analyzed with a historical volatility cone, and the volatility smile curve for the next - month at - the - money implied volatility was provided [4].