Unusual Options Activity
BIIB Unusual Options Activity - Biogen
- Last active day
- September 22, 2026
- Active days (30d)
- 2
- Biggest recent print
- Call $210.0000 · $1.2M
AI summary
On September 22, 2026, Biogen Inc. (BIIB) experienced notable options activity with a significant call transaction. A single print was recorded for a call option with a strike price of $210, set to expire on December 18, 2026. The premium for this call was $1,181,640, indicating a substantial investment in this option. Notably, there were no put options traded during this session, reflecting a one-sided interest in calls. The volume-to-open interest ratio for this call option was reported at 1.6, suggesting a moderate level of activity relative to existing open positions. This transaction contributed to the overall activity in the options market for BIIB, which has seen two active days in the past 30 days. The absence of put activity may indicate a bullish sentiment among traders regarding Biogen's future performance.
AI-generated summary
BIIB was last active on September 22, 2026.
Prints on September 22, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| BIIB | Call | $210.0000 | 12/18/26 (88d) | 1.6× | $1.2M | 40% |
History
- 2026-09-221 prints$1.2M calls$0K puts
- 2026-09-211 prints$1.2M calls$0K puts
- 2026-07-141 prints$665K calls$0K puts
- 2026-07-131 prints$665K calls$0K puts
- 2026-06-111 prints$0K calls$224K puts
- 2026-06-101 prints$0K calls$224K puts
- 2026-05-141 prints$0K calls$221K puts
- 2026-04-301 prints$0K calls$161K puts
- 2026-04-201 prints$0K calls$116K puts
- 2026-04-091 prints$926K calls$0K puts
- 2026-04-071 prints$164K calls$0K puts
- 2026-03-261 prints$0K calls$467K puts
- 2026-03-251 prints$0K calls$374K puts
- 2026-03-131 prints$0K calls$355K puts
- 2026-02-272 prints$281K calls$0K puts
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