Unusual Options Activity
ACAD Unusual Options Activity - ACADIA Pharmaceuticals
- Last active day
- September 25, 2026
- Active days (30d)
- 9
- Biggest recent print
- Call $25.0000 · $83K
AI summary
On September 25, 2026, ACADIA Pharmaceuticals Inc. saw notable options activity with a significant focus on call options. A single print was recorded for a call option with a strike price of $25.00, expiring on October 16, 2026. The premium for this transaction was $82,845, indicating a substantial interest in this particular strike. The volume to open interest (Vol/OI) ratio for this option stood at 23.7, suggesting a relatively high level of trading activity compared to existing open positions. Over the past 30 days, ACAD has experienced active options trading on 9 days, reflecting ongoing interest in its options market. Notably, there were no put options traded during this session, highlighting a one-sided preference for calls among participants.
AI-generated summary
ACAD was last active on September 25, 2026.
Prints on September 25, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| ACAD | Call | $25.0000 | 10/16/26 (22d) | 23.7× | $83K | 57% |
History
- 2026-09-251 prints$83K calls$0K puts
- 2026-09-242 prints$516K calls$0K puts
- 2026-09-231 prints$433K calls$0K puts
- 2026-09-222 prints$1.8M calls$0K puts
- 2026-09-212 prints$1.8M calls$0K puts
- 2026-09-181 prints$1.1M calls$0K puts
- 2026-09-171 prints$1.1M calls$0K puts
- 2026-09-081 prints$0K calls$103K puts
- 2026-09-041 prints$0K calls$103K puts
- 2026-08-181 prints$61K calls$0K puts
- 2026-08-171 prints$61K calls$0K puts
- 2026-08-031 prints$513K calls$0K puts
- 2026-07-311 prints$513K calls$0K puts
- 2026-05-051 prints$0K calls$55K puts
- 2026-02-271 prints$0K calls$135K puts
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