BIIB Biogen
BIIB IV Rank — are Biogen's options cheap or expensive right now?
IV Rank
35
Elevated — lean toward selling
0 · cheap50100 · expensive
Current IV
34%
IV Percentile
51%
52-wk IV high
59%
52-wk IV low
20%
Where current IV sits in its 52-week range
20%59%
Biogen's options are currently moderately priced. With an IV Rank of 35, implied volatility sits in the middle of its 1-year range and richer than roughly 51% 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
Cash-secured put / covered call
🔒 Pro
Unusual flow + macro + IV alerts
See the full picture for BIIB →
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Frequently asked
What does an IV Rank of 35 mean for BIIB?
It means Biogen's implied volatility is currently in the middle of its past-year range, so its options are moderately priced.
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.