Unusual Options Activity
CRBP Unusual Options Activity - Corbus Pharmaceuticals
- Last active day
- September 16, 2026
- Active days (30d)
- 11
- Biggest recent print
- Put $7.5000 · $1.7M
AI summary
On September 15, 2026, Corbus Pharmaceuticals Holdings, Inc. (CRBP) experienced notable options activity, with two prints recorded. The total call premium amounted to $127,320, while the put premium significantly outweighed it at $1,661,880. This indicates a strong preference for puts in this instance. The most prominent print was for the CRBP put option with a strike price of $7.50, expiring on December 18, 2026, which had a volume-to-open interest ratio of 90.7, suggesting a high level of activity relative to existing open positions. In contrast, the CRBP call option with a strike price of $10.00, also expiring on December 18, 2026, had a much lower volume-to-open interest ratio of 7.9, reflecting less interest in calls compared to puts. Over the past 30 days, CRBP has seen options activity on 10 active days, indicating ongoing engagement in its options market.
AI-generated summary
Prints on September 16, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| CRBP | Put | $7.5000 | 12/18/26 (94d) | 90.7× | $1.7M | 81% | |
| CRBP | Call | $10.0000 | 12/18/26 (94d) | 7.9× | $127K | 87% |
History
- 2026-09-162 prints$127K calls$1.7M puts
- 2026-09-152 prints$127K calls$1.7M puts
- 2026-09-142 prints$174K calls$0K puts
- 2026-09-112 prints$205K calls$0K puts
- 2026-09-092 prints$123K calls$254K puts
- 2026-09-082 prints$123K calls$254K puts
- 2026-09-021 prints$31K calls$0K puts
- 2026-09-011 prints$31K calls$0K puts
- 2026-08-261 prints$45K calls$0K puts
- 2026-08-252 prints$134K calls$0K puts
- 2026-08-241 prints$89K calls$0K puts
- 2026-08-061 prints$383K calls$0K puts
- 2026-08-051 prints$383K calls$0K puts
- 2026-07-061 prints$254K calls$0K puts
- 2026-07-021 prints$254K calls$0K puts
- 2026-05-273 prints$964K calls$40K puts
- 2026-05-211 prints$96K calls$0K puts
- 2026-04-301 prints$69K calls$0K puts
- 2026-03-251 prints$25K calls$0K puts
- 2026-03-241 prints$238K calls$0K puts
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