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 16, 2026, Corbus Pharmaceuticals Holdings, Inc. (CRBP) experienced notable options activity with two prints. The total call premium reached $127,320, while the put premium significantly outweighed it at $1,661,880, indicating a strong preference for puts during this session. The most prominent print was a put option with a strike price of $7.50, set to expire on December 18, 2026, which had a volume-to-open interest ratio of 90.7. This suggests substantial interest relative to existing open positions. In contrast, a call option with a strike price of $10.00, also expiring on December 18, 2026, garnered a much lower premium of $127,320, with a volume-to-open interest ratio of 7.9, indicating less activity compared to the put. Overall, this session reflects a significant inclination towards put options in CRBP, with a notable disparity in premium and activity levels between calls and puts.
AI-generated summary
CRBP was last active on September 16, 2026.
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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