Biogen (BIIB) January options active into November FDA panel
Biogen (NASDAQ: BIIB) October weekly call option implied volatility is at 27, October is at 22, November is at 61; compared to its 52-week range of 25 to 63 into a FDA panel to discuss Biogen Alzheimer's application on November 6. Call put ratio 2.5 calls to 1 put with focus on January options.