Symbol:    
EXELIXIS INC. 
Options Root:  Open Help    EXEL  
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Current1 WK AGO1 MO AGO52 wk Hi/Date52 wk Low/Date
  HISTORICAL VOLATILITY Open Help
10 days72.29%68.92%30.38%98.50% - 13-Nov14.63% - 23-Sep
20 days54.19%51.99%29.90%85.05% - 12-Nov21.93% - 23-Sep
30 days47.75%46.55%27.96%75.59% - 16-Nov26.72% - 18-Jul
  IMPLIED VOLATILITY Open Help
IV Index call Open Help42.32%43.98%57.94%75.14% - 11-Feb37.04% - 09-Aug
IV Index put Open Help40.73%44.29%57.58%73.80% - 07-Feb36.48% - 02-Aug
IV Index mean Open Help41.53%44.13%57.76%74.13% - 11-Feb36.98% - 09-Aug
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      EXEL: DAILY 1 YEAR VOLATILITY CHART   ( 3 months    6 months    1 year )
    IV Index Call     IV Index Put     IV Index Call & Put     IV Index Mean
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Volatility chart
OPTIONS VOLUME, CONTRACTS
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Options volume chart