Report Information - Report Title: Index Option Data Daily Report [4] - Date: June 23, 2025 [4] - Author: Li Zebao from the Financial Derivatives Center of Guomao Futures Research Institute [4] - Data Sources: Wind, Guomao Futures Research Institute [4] Market Review Index Performance - The Shanghai Composite Index fell 0.07% to 3359.9 points; the Shenzhen Component Index dropped 0.47% to 10005.03 points; the ChiNext Index declined 0.84% to 2009.89 points; the CSI 300 rose 0.09% to 3846.64 points; the STAR 50 decreased 0.53% to 957.87 points; the Beijing Stock Exchange 50 tumbled 1.34% to 1347.46 points [12] - The total turnover of the Shanghai and Shenzhen stock markets was 1.07 trillion yuan, with more falling stocks than rising ones and over 3600 stocks declining across the market [12] Index Option Trading | Index | Closing Price | Change (%) | Turnover (Billion Yuan) | Volume (Billion) | Option Volume (Million Contracts) | Call Option Volume (Million Contracts) | Put Option Volume (Million Contracts) | PCR (Volume) | Option Open Interest (Million Contracts) | Call Option Open Interest (Million Contracts) | Put Option Open Interest (Million Contracts) | PCR (Open Interest) | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | SSE 50 | 2673.7191 | 0.31 | 631.62 | 36.32 | 2.85 | 1.58 | 1.27 | 0.80 | 3.97 | 2.34 | 1.64 | 0.70 | | CSI 300 | 3846.6443 | 0.09 | 2135.23 | 118.15 | 7.71 | 4.12 | 3.59 | 0.87 | 11.86 | 7.24 | 4.62 | 0.64 | | CSI 1000 | 5999.5914 | -0.80 | 2265.32 | 180.86 | 22.12 | 11.11 | 11.01 | 0.99 | 17.95 | 9.84 | 8.11 | 0.82 | [5] Volatility Analysis - The report provides historical volatility cones, current volatility values, and volatility smile curves for SSE 50, CSI 300, and CSI 1000, as well as next - month at - the - money implied volatility [9][10]