CytomX Therapeutics Inc
CytomX Therapeutics Inc (CTMX) Unusual Options Activity Today
CTMX options volume power reached 5x on the previous trading day. The highest reading was on the $2 CALL expiring 2026-11-20.
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Checking CTMX unusual options activity helps you spot when traders are making outsized bets on CytomX Therapeutics Inc before the broader market catches on. CytomX Therapeutics Inc's unusual options activity flags contracts trading at multiples of their average daily volume, often signaling that informed money is positioning ahead of a catalyst. Use our scanner to monitor CTMX unusual options activity today and surface the prints that deserve a second look.
Unusual options flow typically refers to trades where volume vastly exceeds open interest at a given strike, or where total contract volume on a name spikes well above its norm. Watching CTMX unusual options flow today can reveal large block trades, sweeps across exchanges, and aggressive directional bets. Tracking CTMX unusual options volume across calls and puts helps you separate hedging activity from genuinely speculative positioning, and CTMX unusual options flow data becomes especially valuable around earnings, product launches, and macro events.
CytomX Therapeutics, Inc. operates as an oncology-focused biopharmaceutical company in the United States. The company develops antibody therapeutics based on its Probody technology platform for the treatment of cancer. The company's product candidates include CX-2009, an antibody drug conjugates (ADC) against CD166, which is in Phase II clinical trials for the treatment of breast cancer; CX-2029 that is in Phase II clinical trials for the treatment of squamous non-small cell lung cancer, head and neck squamous cell carcinoma, esophageal and gastro-esophageal junction cancers, and diffuse large B-cell lymphoma; BMS-986249, a CTLA-4 Probody therapeutic drug, which is in Phase I/II clinical trials for the treatment of metastatic melanoma; and BMS-986288, an anti-CTLA-4 Probody drug, which is in Phase I clinical trials for the treatment of solid tumors.
It also develops CX-2043, a conditionally activated ADC targeting the epithelial cell adhesion molecule, as well as CX-904, a conditionally activated epidermal growth factor receptor for the treatment of solid tumor. The company has strategic collaborations with AbbVie Ireland Unlimited Company, Amgen, Inc., Bristol-Myers Squibb Company, ImmunoGen, Inc., Pfizer Inc., and Astellas Pharma Inc. to develop Probody therapeutics. CytomX Therapeutics, Inc. was founded in 2008 and is headquartered in South San Francisco, California.
Catalysts rarely arrive without a footprint, and CTMX unusual options activity is often where that footprint shows up first. Our scanner tracks CytomX Therapeutics Inc's unusual options flow in real time, ranks prints by volume-to-open-interest, premium spent, and aggressor side, and separates real conviction from noise. Whether you're looking at CTMX unusual options volume on the call side or chasing put sweeps, CytomX Therapeutics Inc's unusual options flow today is one click away, so put it on your radar before the headlines hit.
| 1.00 | 1.40 | 2.40 | 1.90 | 310% | 0 | 0 | — |
| 2.00 | 0.40 | 1.35 | 0.88 | 111% | 0 | 81 | 0.00% |
| 3.00 | 0.15 | 0.30 | 0.23 | 93% | 0 | 119 | 0.00% |
| 4.00 | — | 0.10 | 0.10 | 125% | 0 | 124 | 0.00% |
| 5.00 | — | 0.10 | 0.10 | 170% | 0 | 34 | 0.00% |
| 4.00 | 1.10 | 1.35 | 1.23 | 105% | 1 | 4,203 | 0.02% |
| 1.00 | — | 0.05 | 0.05 | 275% | 0 | 0 | — |
| 2.00 | — | 0.05 | 0.05 | 112% | 0 | 0 | — |
| 3.00 | — | 0.75 | 0.75 | 206% | 0 | 415 | 0.00% |
| 5.00 | 1.70 | 2.70 | 2.20 | 131% | 0 | 0 | — |
As of September 18, 2026
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