Notes, Comments and Preliminary results Oct 16 2009 Jui-Cheng Hung , Ren-Xi Ni and Matthew C. Chang   The Information Contents of VIX Index and Range-based Volatility on Volatility Forecasting Performance of S&P 500   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Research announcements Sep 14 2009 Jui-Cheng Hung   The information contents of vix index and range-based volatility on volatility forecasting performance of s&p 500   Manuscript Available   Abstract  Contact Information  Citation  Full Announcement  -  Research Announcement   Conference announcements