Jan 14, 2013 10:55AM Herbalife (HLF) 'Relief Rally' Continues as Shorts Take Larger Positions
May 31, 2012 09:40AM Herbalife (HLF) volatility collapses as share price stabilizes
May 30, 2012 10:35AM Herbalife (HLF) Pops Higher with Volatiity; Still Notably Below 50-Day SMA
May 24, 2012 07:16AM Stocks with implied volatility below IV index mean; HLF ARNA
May 23, 2012 07:07AM Stocks with implied volatility below IV index mean; HLF GMCR
May 21, 2012 02:17PM Herbalife (HLF) volatility stays elevated on wide price movement
May 16, 2012 12:15PM Nu Skin Enterprises (NUS) Volatile into Ira Sohn and Einhorn Comments
May 16, 2012 11:14AM Herbalife (HLF) May put volatility elevated at 209 on wide price movement
May 4, 2012 08:41AM Stocks with implied volatility movement; HLF GNW
Jul 29, 2011 03:35PM Herbalife (HLF) call volume and volatility elevated into Q2 results
Aug 3, 2010 09:38AM Herbalife (HLF) volatility decreases as shares rally 7% on EPS and guidance