Unusual Options Activity
REGN Unusual Options Activity - Regeneron Pharmaceuticals
- Last active day
- August 18, 2026
- Active days (30d)
- 4
- Biggest recent print
- Call $600.0000 · $32.6M
AI summary
On August 18, 2026, Regeneron Pharmaceuticals, Inc. (REGN) experienced notable options activity, primarily in call options. A total of three prints were recorded, with call premiums amounting to approximately $68.06 million and no put premiums noted. The activity was concentrated in calls with expiration on August 21, 2026. The largest print was for the REGN Call at a strike price of $600, which generated a premium of about $32.56 million and exhibited a volume to open interest ratio of 4.1. Another significant print was for the REGN Call at a strike price of $690, with a premium of approximately $11.68 million and a volume to open interest ratio of 4.0. Additionally, a REGN Call at a strike price of $605 brought in a premium of around $23.82 million, with a volume to open interest ratio of 3.4. This activity reflects a strong interest in bullish positions on REGN ahead of the expiration date.
AI-generated summary
REGN was last active on August 18, 2026.
Prints on August 18, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| REGN | Call | $600.0000 | 08/21/26 (4d) | 4.1× | $32.6M | 171% | |
| REGN | Call | $690.0000 | 08/21/26 (4d) | 4.0× | $11.7M | 95% | |
| REGN | Call | $605.0000 | 08/21/26 (4d) | 3.4× | $23.8M | 166% |
History
- 2026-08-183 prints$68.1M calls$0K puts
- 2026-08-173 prints$68.1M calls$0K puts
- 2026-07-311 prints$25K calls$0K puts
- 2026-07-301 prints$25K calls$0K puts
- 2026-06-052 prints$0K calls$22.5M puts
- 2026-06-042 prints$0K calls$22.5M puts
- 2026-06-011 prints$1.9M calls$0K puts
- 2026-04-271 prints$437K calls$0K puts
- 2026-02-201 prints$2.5M calls$0K puts
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