Workflow
股票股指期权：上行升波，隐波升高至中高分位，可考虑逢低建仓买权保护
Guo Tai Jun An Qi Huo·2025-09-17 12:20

Report Date - The report is dated September 17, 2025 [1] Investment Rating - Not provided in the report Core Viewpoint - Stock index options are experiencing an upward volatility trend, with implied volatility rising to a medium-high level. It is advisable to consider building long option positions on dips for protection [1] Key Data Summaries 1. Underlying Market Statistics - Indices: The closing prices of the Shanghai 50 Index, CSI 300 Index, and CSI 1000 Index were 2952.78, 4551.02, and 7554.81 respectively, with increases of 4.96, 27.69, and 71.18. Their trading volumes were 56.67 billion, 235.72 billion, and 301.71 billion shares respectively, showing decreases of 0.97 billion, 13.55 billion, and 7.30 billion shares [2] - ETFs: The closing prices of various ETFs such as SSE 50 ETF, Huatai-PineBridge CSI 300 ETF, and Southern CSI 500 ETF showed different degrees of increase, and their trading volumes also had corresponding changes [2] 2. Option Market Statistics - Trading Volume and Open Interest: The trading volumes and open interests of various stock index options and ETF options showed different degrees of increase or decrease. For example, the trading volume of SSE 50 Index Options increased by 11,756 to 57,826, and the open interest increased by 4,820 to 105,477 [2] - PCR Indicators: The VL-PCR and OI-PCR of different options also varied. For instance, the VL-PCR of SSE 50 Index Options was 48.38%, and the OI-PCR was 63.55% [2] 3. Option Volatility Statistics - ATM-IV and HV: The at-the-money implied volatility (ATM-IV) and historical volatility (HV) of different options showed different trends. For example, the ATM-IV of SSE 50 Index Options (near - month) was 21.94%, with an increase of 2.39%, and the HV was 7.38%, with an increase of 4.06% [5] - Skew and VIX: The skew and VIX of different options also had corresponding changes. For example, the skew of SSE 50 Index Options (near - month) was 14.02%, with an increase of 9.46%, and the VIX was 22.08, with an increase of 0.874 [5] Option - Specific Charts - For each type of option (SSE 50 Index Options, CSI 300 Index Options, etc.), there are charts showing full - contract PCR,主力 contract volatility,主力 contract skew, volatility cone, and volatility term structure [9][13][16]