波动率数据日报-20251114

Group 1: Implied Volatility Index and Volatility Spread - The financial option implied volatility index reflects the 30 - day implied volatility (IV) trend as of the previous trading day, and the commodity option implied volatility index is obtained by weighting the IV of the two - strike options above and below the at - the - money option of the main contract, reflecting the IV change trend of the main contract [2] - The difference between the IV index and historical volatility (HV) indicates the relative level of IV to HV. A larger difference means IV is relatively higher than HV, and a smaller difference means IV is relatively lower [2] Group 2: Implied Volatility and Historical Volatility Charts - There are charts showing the IV, HV, and IV - HV differences for various financial and commodity options, including stock - index options (300 index, 1000 index, 50ETF, 500ETF), precious metals (silver, gold), agricultural products (soybean meal, corn, sugar, cotton), energy and chemicals (PTA, methanol, rubber), base metals (copper, aluminum, zinc, PVC), and others (urea, rapeseed meal, palm oil) [3][5] Group 3: Quantile Ranking of Volatility Index and Volatility Spread - The implied volatility quantile represents the current level of a variety's implied volatility in history. A high quantile means the current IV is high, and a low quantile means the current IV is low [6] - The volatility spread is the difference between the implied volatility index and historical volatility [6] - There are rankings of historical volatility quantiles and implied volatility quantiles for different varieties such as 300 index, 50ETF, PTA, etc. [7]