股票股指期权：隐波下行，股指期权临近到期

1. Report Industry Investment Rating - No relevant content provided. 2. Core View of the Report - The implied volatility of stock index options is decreasing, and stock index options are approaching expiration [2]. 3. Summary by Related Catalogs 3.1 Option Market Data Statistics - Underlying Market Statistics: The closing prices of the Shanghai - Shenzhen 300 Index, CSI 1000 Index, Shanghai - Shenzhen related ETFs all decreased. For example, the Shanghai - Shenzhen 300 Index closed at 4564.95, down 23.34; the CSI 1000 Index closed at 7340.41, down 46.80. The trading volumes of most underlying assets changed, with some increasing and some decreasing [3]. - Option Market Statistics: The trading volumes and open interests of various options also changed. For instance, the trading volume of Shanghai - Shenzhen 300 Index options was 172,768, up 6704; the open interest was 233,386, down 1521. The VL - PCR and OI - PCR of different options varied, such as the VL - PCR of Shanghai - Shenzhen 300 Index options was 60.97%, and the OI - PCR was 78.20% [3]. 3.2 Option Volatility Statistics - Near - month Options: The ATM - IV, IV changes, and other volatility - related indicators of different options showed different trends. For example, the ATM - IV of Shanghai - Shenzhen 300 Index options was 15.02%, up 1.08%; the ATM - IV of Shanghai - Shenzhen 300 ETF options was 15.82%, down 0.13% [6]. - Next - month Options: Similar to near - month options, the ATM - IV and other indicators of next - month options also had different changes. For instance, the ATM - IV of Shanghai - Shenzhen 300 Index options was 16.40%, down 0.54% [6]. 3.3 Option Index Data Statistics - No specific analysis content is provided, only the table title is given [7]. 3.4 Different Option Types Analysis - Shanghai 50 Index Options: Multiple charts are provided, including the full - contract PCR chart, the main - contract skewness chart, the volatility cone chart, and the volatility term - structure chart, which can be used to analyze the market situation of Shanghai 50 Index options [10]. - Shanghai - Shenzhen 300 Index Options: Similar to Shanghai 50 Index options, multiple charts are used to analyze the market situation of Shanghai - Shenzhen 300 Index options, such as the full - contract PCR chart and the main - contract volatility chart [14][16]. - CSI 1000 Index Options: The report presents relevant charts for CSI 1000 Index options to help analyze its market characteristics [20][21]. - Shanghai 50 ETF Options: Various charts are provided to analyze the market of Shanghai 50 ETF options, including the main - contract volatility chart and the full - contract PCR chart [24][26]. - Huatai - Baorui 300 ETF Options: Multiple charts are used to analyze the market situation of Huatai - Baorui 300 ETF options [28][30]. - Southern CSI 500 ETF Options: The report uses charts to analyze the market of Southern CSI 500 ETF options [32][33]. - Huaxia Science and Technology Innovation 50 ETF Options: Relevant charts are provided for the analysis of Huaxia Science and Technology Innovation 50 ETF options [42][43]. - E Fund Science and Technology Innovation 50 ETF Options: Multiple charts are used to analyze the market situation of E Fund Science and Technology Innovation 50 ETF options [46][51]. - Harvest 300 ETF Options: The report presents charts to analyze the market of Harvest 300 ETF options [54][55]. - Harvest CSI 500 ETF Options: Various charts are used to analyze the market situation of Harvest CSI 500 ETF options [59][60]. - Growth Enterprise Market ETF Options: Multiple charts are provided to analyze the market of Growth Enterprise Market ETF options [64][66]. - Shenzhen 100 ETF Options: The report uses charts to analyze the market situation of Shenzhen 100 ETF options [68][70].