波动率数据日报-20250625

Group 1: Implied Volatility Index and Historical Volatility - The 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 indicates the relative level of implied volatility to historical volatility. A larger difference means a higher implied volatility relative to historical volatility, and a smaller difference means a lower implied volatility relative to historical volatility [3] Group 2: Implied Volatility and Historical Volatility Charts - There are multiple charts showing the implied volatility (IV), historical volatility (HV), and their differences (IV - HV) for various financial and commodity options, including 300股指, 50ETF, 1000股指, 500ETF, corn, sugar, cotton, rubber, PTA, crude oil, aluminum, methanol, iron ore, Chinese options, PVC, rebar, urea, palm oil, zinc, and others [4][5][6] Group 3: Implied Volatility and Historical Volatility Quantiles - The 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 the current implied volatility is low. The volatility spread is the difference between the implied volatility index and historical volatility [18] - The implied and historical volatility quantile rankings are provided for different options. For example, PTA has an implied volatility quantile of 0.71 and a historical volatility quantile of 0.84, while 300股指 has an implied volatility quantile of 0.07 and a historical volatility quantile of 0.01 [20]