Castle Biosciences Inc (CSTL) Unusual Options Activity Today

Checking CSTL unusual options activity helps you spot when traders are making outsized bets on Castle Biosciences Inc before the broader market catches on. Castle Biosciences 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 CSTL 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 CSTL unusual options flow today can reveal large block trades, sweeps across exchanges, and aggressive directional bets. Tracking CSTL unusual options volume across calls and puts helps you separate hedging activity from genuinely speculative positioning, and CSTL unusual options flow data becomes especially valuable around earnings, product launches, and macro events.

Castle Biosciences, Inc., a commercial-stage diagnostics company, focuses to provide diagnostic and prognostic testing services for dermatological cancers. Its lead product is DecisionDx-Melanoma, a multi-gene expression profile (GEP) test to identify the risk of metastasis for patients diagnosed with invasive cutaneous melanoma. The company also offers DecisionDx-UM test, a proprietary GEP test that predicts the risk of metastasis for patients with uveal melanoma, a rare eye cancer; DecisionDx-SCC, a proprietary 40-gene expression profile test that uses an individual patient's tumor biology to predict individual risk of squamous cell carcinoma metastasis for patients with one or more risk factors; and DecisionDx DiffDx-Melanoma and myPath Melanoma, a proprietary GEP test to diagnose suspicious pigmented lesions.

It offers test services through physicians and their patients. The company was founded in 2007 and is headquartered in Friendswood, Texas.

Catalysts rarely arrive without a footprint, and CSTL unusual options activity is often where that footprint shows up first. Our scanner tracks Castle Biosciences 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 CSTL unusual options volume on the call side or chasing put sweeps, Castle Biosciences Inc's unusual options flow today is one click away, so put it on your radar before the headlines hit.