CBOE Volatility Index S&P 500 Options-VIX closed at 21.71; 10-day moving average is 24.37.
Biogen Idec (NASDAQ: BIIB) closed at $49.79. BIIB is expected to report Q3 EPS on October 20 and give avonex outlook. BIIB November and January option implied volatility of 36 is near its 26-week average of 39 according to Track Data, suggesting non-directional price movement.
Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com.











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