What does the Statistics toggle in the Implied Volatility Volatility Skew chart show? Similar to the Term Structure chart, the Statistics Toggle shows an overlay of the 10th and 90th percentile of historical IV for options of the same days-to-expiration, which can be used to determine if volatility is above or below what can typically be observed based on where the curve lies relative to the shaded range. Related articles What do the different views in the Implied Volatility Volatility Skew chart do? What is the Volatility Skew Implied Volatility tab? How will the Implied Volatility Dashboard to improve my trading approach? What is the Fixed Strike Matrix Implied Volatility tab? What is the Options Clearing Corporation (OCC) Indicator?