Biogen (BIIB) option implied volatility increases

Go back to Biogen (BIIB) option implied volatility increases
BIOGEN IDEC Inc. (NASDAQ: BIIB) Delayed: 240.98 -2.12 (0.87%)
Previous Close $243.10    52 Week High $333.65 
Open $242.02    52 Week Low $223.02 
Day High $243.32    P/E 30.86 
Day Low $240.13    EPS $7.81 
Volume 812,892