Russell 2000 (IWM) is recently trading up 28 cents to $70.20 in pre-open trading. Overall option implied volatility of 29 is above its 26-week average of 24, according to Track Data, suggesting larger price movement.

NASDAQ 100 (QQQQ) closed at $48.18. Overall option implied volatility of 24 is at its 26-week average of 24, according to Track Data, suggesting non-directional price movement.

CBOE Volatility Index (VIX) at 24.90; 10-day moving average is 20.38.

Options Update is by Stock Specialist Paul Foster of theflyonthewall.com.

Dendreon (NYSE: DNDN) was halted at $7.30. DNDN is reporting top-line data from the ongoing Phase 3 IMPACT (Immunotherapy for Prostate AdenoCarcinoma Treatment) this morning. DNDN April 7 straddle is priced at $1.87, May 7 straddle is priced at $6.60 according to Track Data, suggesting large price movement.

NASDAQ 100 (NASDAQ:QQQQ) overall implied volatility at 36; 26-week average is 43. CBOE Volatility Index S&P 500 Options-VIX at 37.81; 10-day moving average is 40.82.

Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com.

Infosys (NASDAQ-:NFY) closed at $36. INFY, India's second largest computer services provider, is expected to report Q4 EPS on April 15. INFY April option implied volatility of 60 is above its 26-week average of 45 according to Track Data, suggesting larger risk.

NASDAQ 100 (NASDAQ:QQQQ) overall implied volatility at 28; 26-week average is 28.

Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com