波动率数据日报-20250723

Group 1: Implied Volatility Index and Historical Volatility - Financial option implied volatility index reflects the 30 - day implied volatility trend as of the previous trading day, and the commodity option implied volatility index is obtained by weighting the implied volatilities of the two - strike options above and below the at - the - money option of the main contract, reflecting the implied volatility change trend of the main contract [3] - The difference between the implied volatility index and historical volatility: a larger difference indicates that the implied volatility is relatively higher than historical volatility, and a smaller difference indicates the opposite [3] Group 2: Implied Volatility and Historical Volatility Charts - There are multiple charts showing the implied volatility (IV), historical volatility (HV), and the difference between them (IV - HV) for various options, including 300股指, 50ETF, 1000股指, 500ETF, etc. [4] Group 3: Implied Volatility and Volatility Spread Quantiles - Implied volatility quantiles represent the current implied volatility level of a variety in history. A high quantile means high current implied volatility, and a low quantile means low implied volatility [21] - The volatility spread is the difference between the implied volatility index and historical volatility [21] - The implied volatility quantile rankings for different varieties are presented, such as PTA with a quantile of 0.92, PVC with 0.85, etc. [22]