BIOGEN INC. (BIIB) Current Implied Volatility & IV Rank
IV Rank, IV percentile and options risk for BIIB — updated every 30 minutes. ← Full BIIB risk overview
Data last updated: 2026-07-23
What BIIB's IV Rank means for options traders
As of the latest scan, BIOGEN INC. (BIIB) shows an IV Rank of 75 with implied volatility around 45%, alongside a TickerRisk options-risk score of 81/100. That's high — options are expensive relative to the past year, which favours premium-selling strategies such as credit spreads, iron condors and covered calls, provided no binary catalyst is working against you.
IV Rank measures where BIIB's current implied volatility sits within its own 1-year high/low range (0–100). IV % is the raw implied volatility level. High IV Rank = expensive options = favor selling premium; low IV Rank = cheap options = favor buying.
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