UnitedHealth (UNH) closed at $29.08 Friday, near one-year high. UnitedHealth is hosting an investor meeting on December 2. December option implied volatility is at 40; January is at 42; below its 26-week average of 48 according to Track Data, suggesting decreasing price movement.

Semiconductor Holders Trust - SMH overall volatility at 29; 26-week average is 33.

Russell 2000 - IWM overall implied volatility at 27; 26-week average is 33.

Financial Select Sector - XLF overall volatility at 34; 26-week average is 40.

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

CBOE Volatility Index S&P 500 Options-VIX at 25.88; 10-day moving average is 28.13.

CBOE Volatility Index NASDAQ 100-VXN at 25.28; 10-day moving average is 28.37.

NASDAQ 100-QQQQ overall implied volatility at 26; 26-week average is 33.

Semiconductor Holders Trust-SMH overall volatility at 31; 26-week average is 40.

Russell 2000-IWM overall implied volatility at 30; 26-week average is 42.

Financial Select Sector-XLF overall volatility at 44; 26-week average is 61.

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

Dell (NASDAQ: DELL) closed Tuesday at $11.14. DELL is scheduled to report Q1 EPS on May 28. DELL June option implied volatility is at 55, August is at 51; versus its 26-week average of 57, according to Track Data, suggesting decreasing price movement after EPS.

Semiconductor Holders Trust (NYSE: SMH) overall volatility at 36; 26-week average is 43.

Russell 2000 (NYSE: IWM) overall implied volatility at 36; 26-week average is 45.

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

Apple (NASDAQ: AAPL) is recently down $3.53 to $91.90 in pre-open trading. Steve Jobs has pulled out of his annual address at Macworld on January 6. Oppenheimer says: "Maybe he's not feeling well, or maybe he just has nothing new to say." AAPL January option implied volatility of 69 is above its 26-week average of 56 according to Track Data, suggesting larger price movement.

Volatility Index S&P 500 Options - VIX at 52.36; 10-day moving average is 57.66 according to Track Data.

NASDAQ 100 - QQQQ overall implied volatility at 51; 26-week average is 46.

Semiconductor Holders Trust - SMH overall volatility at 59; 26-week average is 47.

Russell 2000 - IWM overall implied volatility at 67; 26-week average is 47.

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

Volatility Index S&P 500 Options - VIX at 79.12; 10-day moving average is 63.99.

Volatility Index NASDAQ 100 - VXN at 78.81; 10-day moving average is 67.89.

NASDAQ 100 - QQQQ overall implied volatility at 52; 26-week average is 34.

Russell 2000 - IWM overall implied volatility at 62; 26-week average is 34.

Financial Select Sector - XLF overall volatility at 78; 26-week average is 44.

Comcast (NASDAQ: CMCSA) is scheduled to report Q3 EPS on October 29. CMCSA November option implied volatility of 111 is above its 26-week average of 39 according to Track Data, suggesting larger price movement.

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

Globex S&P futures trading limit down 60.00 below previous day's SPX cash close.

Stocks tumbled around the world and U.S. index futures fell on increasing concern the weakening global economy will decrease earnings.

Nikkei 225 down 9.60%, DAX 30 down 8.96%. WTI Crude oil $64.50. Copper down 2.50%. Gold $690.

Volatility Index S&P 500 Options-VIX at 67.80; 10-day moving average is 63.07.

Volatility Index NASDAQ 100-VXN at 69.83; 10-day moving average is 67.16.

NASDAQ 100-QQQQ overall implied volatility at 53; 26-week average is 33.

Semiconductor Holders Trust-SMH overall volatility at 49; 26-week average is 33.

Russell 2000-IWM overall implied volatility at 51; 26-week average is 33.

Financial Select Sector-XLF overall volatility at 70; 26-week average is 44.

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

Lowe's (NYSE: LOW/Option chains) is expected to report Q2 EPS on August 18. Deutsche Bank has a $23 price target on LOW. LOW September option implied volatility of 50 is above its 26-week average of 40 according to Track Data, suggesting larger price movement.

Home Depot (NYSE: HD/Option chains) is scheduled to report Q2 EPS on August 19. Deutsche Bank has a $22 price target on HD. HD September option implied volatility of 44 is above its 26-week average of 39, suggesting larger price movement.

Russell 2000 (NYSE: IWM/Option chains) overall implied volatility at 25; 26-week average is 27.

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