Unusual Options Activity
SEPN Unusual Options Activity - Septerna
- Last active day
- June 17, 2026
- Active days (30d)
- 5
- Biggest recent print
- Put $30.0000 · $340K
AI summary
On June 17, 2026, Septerna, Inc. (SEPN) experienced notable options activity with a significant put transaction. A single print was recorded for a put option with a strike price of $30.00, set to expire on July 17, 2026. The premium for this put was $340,000, indicating a substantial commitment to this position. The volume to open interest ratio for this transaction stood at 12.1, suggesting that the volume of this trade was significantly higher than the existing open interest for this option. Over the past 30 days, SEPN has seen activity on five days, reflecting a level of interest in its options market. The absence of corresponding call activity in this instance highlights a one-sided approach in the options trading for this stock on the reported date.
AI-generated summary
SEPN was last active on June 17, 2026.
Prints on June 17, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| SEPN | Put | $30.0000 | 07/17/26 (31d) | 12.1× | $340K | 101% |
History
- 2026-06-171 prints$0K calls$340K puts
- 2026-06-161 prints$0K calls$340K puts
- 2026-06-151 prints$1.6M calls$0K puts
- 2026-06-121 prints$1.6M calls$0K puts
- 2026-05-262 prints$1.2M calls$0K puts
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