Basically what a 'low VIX/high skew' combination is saying is: 'the market overall is complacent, but big investors perceive far more tail risk than usually' (it is exactly the other way around when the VIX is high and SKEW is low). In other words, a surprising increase in realized volatility may not be too far away. Below is a chart showing the current SKEW/VIX combination. www.acting-man.com/?p=26814