CSTL

$25.00-0.70 (-2.72%)

Market ClosedAs of Mar 20, 8:00 PM UTC

Castle Biosciences, Inc., a molecular diagnostics company, provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), uveal melanoma, and mental health conditions.

Historical Price

Price (Line)
50-Day SMA
200-Day SMA
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Peer Comparison

JNJUNHPFE

Whystock Valuation Model

Calculated using a trailing P/E relative model adjusted by sector ROE and historical growth.
Current Price$25.00
Potential Upside
5%
Whystock Fair Value$26.25
Price
UndervaluedFair ValueOvervalued

Fundamentals

SectorHealthcare
IndustryDiagnostics & Research

Castle Biosciences, Inc., a molecular diagnostics company, provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), uveal melanoma, and mental health conditions. The company offers DecisionDx-Melanoma...

Market Cap
Total dollar market value of a company's outstanding shares of stock (Price * Shares).
$743.28M
P/E Ratio
Priced for growth. Investors expect sustained double-digit expansion.
-
Beta
High-beta play. Expect amplified moves vs. the broad market.
1.13
Div Yield
Low to zero yield. Return is entirely dependent on price appreciation.
0.00%
ROIC
Average efficiency. Growth may require heavy reinvestment.
-2.01%
Quick Ratio
Pristine liquidity. Sufficient cash to cover all near-term obligations.
5.11

Recent News

Simply Wall St.
Mar 21, 2026

Why The Narrative Around Castle Biosciences (CSTL) Is Shifting With New Revenue Targets

Castle Biosciences is back in focus as some analysts move price targets from the mid $30s to around $52, while at least one fair value view at $48.5 remains unchanged. These shifts are being tied directly to preliminary 2025 revenue disclosures and refreshed 2026 revenue estimates, with differing opinions on how much the new data supports higher targets. As you read on, you will see how these evolving views fit together and what to watch next as the narrative develops. Analyst Price Targets...

BULLISH
Positive press. Headlines skewed toward growth and analyst upgrades.
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Mar 17, 2026

CTMX Stock Rallies on Strong Phase I Colorectal Cancer Study Data

CytomX Therapeutics stock surges 44% after phase I data for Varseta-M in heavily pretreated metastatic CRC show rising response rates and strong disease control.

BULLISH
Positive press. Headlines skewed toward growth and analyst upgrades.
Zacks
Mar 17, 2026

AstraZeneca's Imfinzi Secures Approval for Gastric Cancer in the EU

AZN wins the EU nod for Imfinzi in early gastric and GEJ cancers, backed by strong survival data and expanding its blockbuster oncology footprint.

BULLISH
Positive press. Headlines skewed toward growth and analyst upgrades.
Zacks
Mar 13, 2026

United Therapeutics Stock Surges 32% in 6 Months: Here's Why

UTHR shares jump 32% in six months as Tyvaso sales surge, earnings grow and Phase III TETON-2 data open a potential new market in IPF.

BULLISH
Positive press. Headlines skewed toward growth and analyst upgrades.
Zacks
Mar 12, 2026

Beam Therapeutics Stock Surges 23% in 6 Months: What's Driving It?

BEAM shares jump 23% in six months as upbeat risto-cel data, pipeline expansion and new financing strengthen confidence in its gene-editing strategy.

BULLISH
Positive press. Headlines skewed toward growth and analyst upgrades.