波动率数据日报-20250905

Group 1: Core Concepts - Financial option implied volatility index reflects the 30 - day implied volatility trend as of the previous trading day, while 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 [2] - 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 means it is relatively lower [2] - Implied volatility quantile represents the current implied volatility level of a variety in history. A high quantile means the current implied volatility is high, and a low quantile means it is low. Volatility spread is the implied volatility index minus historical volatility [4] Group 2: Implied Volatility and Historical Volatility Difference Chart - The document presents charts showing the differences between implied volatility (IV) and historical volatility (HV) for various financial and commodity options, including 300 - stock index, 50ETF, 1000 - stock index, 500ETF, and many commodity options such as soybean meal, corn, sugar, cotton, etc. [3] Group 3: Implied Volatility Quantile and Volatility Spread Quantile Ranking - The implied volatility quantile rankings are provided for different options, such as 50ETF, 300 - stock index, etc. For example, the implied volatility quantile of 300 - stock index is 0.82, and for 50ETF, it is shown in the context. The historical volatility quantile rankings are also presented for these options [4][5]