30 May, 2013 European Data Summer Sale 25 Apr, 2013 Spring Madness Sale Ends Soon 26 Mar, 2013 VIX Futures Premium 14 Mar, 2013 Download the free IVolatility mobile app now! 06 Mar, 2013 March Madness Sale 07 Jan, 2013 New European Futures Data Service 23 Oct, 2012 More Volume And Open Interest Data 27 Sep, 2012 Enhanced Implied Volatility Surface and Implied Volatility Index 12 Jul, 2012 SPX Index data are extended to 1990 03 May, 2012 IV Surface and IVX extensions