Unusual Options Activity
SLS Unusual Options Activity - SELLAS Life Sciences
- Last active day
- October 7, 2026
- Active days (30d)
- 22
- Biggest recent print
- Put $10.0000 · $3.9M
AI summary
On October 6, 2026, unusual options activity was observed in SELLAS Life Sciences Group, Inc. (SLS). The total call premium reached approximately $1.1 million, while put premiums were significantly higher at around $3.9 million, indicating a notable imbalance favoring puts. The most prominent print was for the SLS Call at a strike price of $12.00, expiring on April 16, 2027, with a premium of $1,082,160 and a volume-to-open interest ratio of 8.6, suggesting strong interest relative to existing positions. Another call option at a strike price of $13.00, expiring on October 30, 2026, had a premium of $41,067 and a volume-to-open interest ratio of 3.0, indicating some activity but less intensity compared to the $12.00 call. On the put side, the SLS Put at a strike price of $10.00, also expiring on April 16, 2027, accounted for the entire put premium with a volume-to-open interest ratio of 1.9. Overall, the activity reflects a significant focus on put options in this session.
AI-generated summary
Prints on October 7, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| SLS | Put | $10.0000 | 04/16/27 (192d) | 1.9× | $3.9M | 182% |
History
- 2026-10-071 prints$0K calls$3.9M puts
- 2026-10-063 prints$1.1M calls$3.9M puts
- 2026-10-056 prints$1.4M calls$48K puts
- 2026-10-024 prints$294K calls$48K puts
- 2026-10-012 prints$169K calls$120K puts
- 2026-09-304 prints$207K calls$397K puts
- 2026-09-292 prints$38K calls$277K puts
- 2026-09-281 prints$57K calls$0K puts
- 2026-09-253 prints$3.1M calls$0K puts
- 2026-09-242 prints$3.1M calls$0K puts
- 2026-09-232 prints$109K calls$0K puts
- 2026-09-223 prints$161K calls$0K puts
- 2026-09-212 prints$3.7M calls$0K puts
- 2026-09-182 prints$3.7M calls$0K puts
- 2026-09-173 prints$126K calls$54K puts
- 2026-09-163 prints$93K calls$54K puts
- 2026-09-154 prints$81K calls$222K puts
- 2026-09-1410 prints$205K calls$1.3M puts
- 2026-09-117 prints$124K calls$1.2M puts
- 2026-09-101 prints$0K calls$202K puts
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