Unusual Options Activity
CTMX Unusual Options Activity - CytomX Therapeutics
- Last active day
- July 17, 2026
- Active days (30d)
- 4
- Biggest recent print
- Put $4.0000 · $273K
AI summary
On July 17, 2026, CytomX Therapeutics, Inc. (CTMX) saw notable options activity with a significant print in put options. A single transaction involved a put option with a strike price of $4.00, expiring on August 21, 2026, which generated a premium of $273,130. This print reflects a volume-to-open interest ratio of 9.9, indicating a relatively high level of activity compared to existing open positions. Over the past 30 days, CTMX has recorded active options trading on four days, suggesting a growing interest in the stock's options market. The absence of call premium in this instance highlights a focus on bearish sentiment among traders for this particular expiration date. Overall, the activity points to a concentrated interest in protective strategies or bearish positioning regarding CTMX's future performance.
AI-generated summary
CTMX was last active on July 17, 2026.
Prints on July 17, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| CTMX | Put | $4.0000 | 08/21/26 (36d) | 9.9× | $273K | 71% |
History
- 2026-07-171 prints$0K calls$273K puts
- 2026-07-161 prints$0K calls$273K puts
- 2026-06-231 prints$39K calls$0K puts
- 2026-06-221 prints$39K calls$0K puts
- 2026-05-211 prints$25K calls$0K puts
- 2026-05-151 prints$0K calls$168K puts
- 2026-04-171 prints$0K calls$194K puts
- 2026-04-021 prints$77K calls$0K puts
- 2026-03-193 prints$92K calls$425K puts
- 2026-03-182 prints$0K calls$223K puts
- 2026-03-173 prints$1.6M calls$0K puts
- 2026-03-161 prints$0K calls$70K puts
- 2026-03-132 prints$1.6M calls$0K puts
- 2026-03-101 prints$968K calls$0K puts
- 2026-03-051 prints$422K calls$0K puts
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