股指期权数据日报-20251031

Report Overview - The report is an index option data daily report by Guomao Futures Research Institute on October 31, 2025, focusing on the performance of Shanghai - Shenzhen stock index options [2][3] Index Market Performance Index Closing Price and Change - The Shanghai Composite 50 index closed at 1847.30, down 0.54%, with a turnover of 3046.6108 billion yuan and a trading volume of 65.74 billion [3] - The CSI 300 index closed at 7199.56, down 0.80%, with a turnover of 4709.911 billion yuan and a trading volume of 273.29 billion [3] - The CSI 1000 index closed at 4785.07, down 1.11%, with a turnover of 7485.0848 billion yuan and a trading volume of 297.39 billion [3] Overall A - Share Market - On October 30, the A - share market declined with heavy trading volume, and technology stocks adjusted across the board. The Shanghai Composite Index fell 0.73% to 3986.9 points, the Shenzhen Component Index fell 1.16%, the ChiNext Index fell 1.84%, the CSI 300 fell 0.8%, the Beijing Stock Exchange 50 fell 1.3%, the STAR 50 fell 1.87%, the Wind All - A fell 1.05%, the Wind A500 fell 0.82%, and the CSI A500 fell 0.88%. The total trading volume of A - shares was 2.46 trillion yuan, compared with 2.29 trillion yuan the previous day [5] CFFEX Index Option Trading Option Trading Volume - For the Shanghai Composite 50 index options, the trading volume of call options was 2.73 million contracts, and that of put options was 2.94 million contracts, with a trading volume PCR of 0.36. The open interest of call options was 3.96 million contracts, and that of put options was 4.00 million contracts, with an open - interest PCR of 1.07 [3] - For the CSI 300 index options, the trading volume of call options was 5.47 million contracts, and that of put options was 14.67 million contracts, with a trading volume PCR of 0.59. The open interest of call options was 8.49 million contracts, and that of put options was 9.11 million contracts, with an open - interest PCR of 0.93 [3] - For the CSI 1000 index options, the trading volume of call options was 28.72 million contracts, and that of put options was 28.34 million contracts, with a trading volume PCR of 0.89. The open interest of call options was 13.36 million contracts, and that of put options was 13.91 million contracts, with an open - interest PCR of 1.07 [3] Index Volatility Analysis Volatility Data - The report presents historical volatility cones and volatility smile curves for the Shanghai Composite 50, CSI 300, and CSI 1000 indexes, including historical volatility data for 5 - day, 20 - day, 40 - day, 60 - day, and 120 - day periods, as well as the current values and percentile values of historical volatility [3][4]