Unusual Options Activity
ALNY Unusual Options Activity - Alnylam Pharmaceuticals
- Last active day
- September 3, 2026
- Active days (30d)
- 5
- Biggest recent print
- Call $270.0000 · $492K
AI summary
On September 3, 2026, Alnylam Pharmaceuticals, Inc. (ALNY) saw notable options activity with two significant prints. Both transactions involved call options, with a combined premium of approximately $909,420 and no put options traded. The most prominent print was for the ALNY Call option with a strike price of $280, expiring on September 18, 2026, which recorded a premium of $417,000 and a volume-to-open interest ratio of 3.6. The second print involved the ALNY Call option at a strike price of $270, also expiring on September 18, 2026, with a premium of $492,420 and a volume-to-open interest ratio of 2.1. Over the past 30 days, ALNY has experienced active trading on five days, indicating heightened interest in its options market. The absence of put activity during this session further emphasizes the focus on call options.
AI-generated summary
ALNY was last active on September 3, 2026.
Prints on September 3, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| ALNY | Call | $280.0000 | 09/18/26 (16d) | 3.6× | $417K | 43% | |
| ALNY | Call | $270.0000 | 09/18/26 (16d) | 2.1× | $492K | 45% |
History
- 2026-09-032 prints$909K calls$0K puts
- 2026-09-022 prints$909K calls$0K puts
- 2026-08-271 prints$593K calls$0K puts
- 2026-08-262 prints$593K calls$875K puts
- 2026-08-251 prints$0K calls$875K puts
- 2026-07-311 prints$687K calls$0K puts
- 2026-07-302 prints$687K calls$417K puts
- 2026-07-291 prints$0K calls$417K puts
- 2026-07-061 prints$0K calls$1.1M puts
- 2026-07-021 prints$0K calls$1.1M puts
- 2026-03-301 prints$275K calls$0K puts
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