Unusual Options Activity
ALNY Unusual Options Activity - Alnylam Pharmaceuticals
- Last active day
- July 31, 2026
- Active days (30d)
- 5
- Biggest recent print
- Call $250.0000 · $687K
AI summary
On July 31, 2026, Alnylam Pharmaceuticals, Inc. (ALNY) experienced notable options activity with a significant call transaction. A single print was recorded for a call option with a strike price of $250, expiring on January 15, 2027. The premium for this call was $686,800, indicating a strong commitment to this position. The volume-to-open interest ratio for this call option stands at 2.1, suggesting that the transaction represents a notable increase in activity relative to existing open interest. Over the past 30 days, ALNY has seen active options trading on 5 days, highlighting a growing interest in its options market. There were no put options traded on this day, indicating a one-sided sentiment among traders. This unusual activity may reflect a strategic positioning by market participants in anticipation of future developments for the company.
AI-generated summary
ALNY was last active on July 31, 2026.
Prints on July 31, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| ALNY | Call | $250.0000 | 01/15/27 (169d) | 2.1× | $687K | 49% |
History
- 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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