BIIB Biogen
BIIB IV Rank — are Biogen's options cheap or expensive right now?
IV Rank
83
Expensive — favor selling premium
0 · cheap50100 · expensive
Current IV
38%
IV Percentile
94%
52-wk IV high
42%
52-wk IV low
16%
Where current IV sits in its 52-week range
16%42%
Biogen's options are currently expensive. With an IV Rank of 83, implied volatility sits near the top of its 1-year range and richer than roughly 94% of the past year. Historically at this level, premium-selling strategies tend to be favored, since elevated IV tends to revert toward its mean.
Suggested play
Short strangle / iron condor
🔒 Pro
Unusual flow + macro + IV alerts
See the full picture for BIIB →
Other healthcare names
Frequently asked
What does an IV Rank of 83 mean for BIIB?
It means Biogen's implied volatility is currently near the high end of its past-year range, so its options are relatively expensive.
Should I buy or sell BIIB options at this IV Rank?
Higher IV Rank generally favors selling premium (spreads, strangles, condors), since elevated volatility tends to revert toward its mean.
IV Rank data is 15-minute delayed. Educational information, not investment advice.