Dendreon (NASDAQ: DNDN) closed at $21.55. DNDN will report detailed Phase 3 IMPACT (Immunotherapy for Prostate AdenoCarcinoma Treatment) this afternoon. DNDN May call option implied volatility is at 211, puts are at 190 according to Track Data, suggesting large price movement.
streetTracks Gold Shares (NYSE: GLD) is recently down 70 cents to $88.31 in pre-open trading. Gold is recently down 1.10% to $898.65 according to Bloomberg. GLD May option implied volatility is at 29; June is at 30; below its 26-week average of 38, according to Track Data, suggesting decreasing price movement.
Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com










