CSTL

$25.90

Market ClosedAs of Mar 17, 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), atopic dermatitis (AD), and uveal melanoma.

Historical Price

Price (Line)
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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$25.90
Potential Upside
5%
Whystock Fair Value$27.20
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), atopic dermatitis (AD), and uveal melanoma. The company offers DecisionDx-Melanoma, ...

Market Cap
Total dollar market value of a company's outstanding shares of stock (Price * Shares).
$770.04M
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.
-5.21%
Quick Ratio
Pristine liquidity. Sufficient cash to cover all near-term obligations.
5.01

Recent News

Zacks
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

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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.
Simply Wall St.
Mar 6, 2026

How Castle Biosciences (CSTL) Story Is Shifting With New Revenue Targets And Fair Value

Castle Biosciences’ updated fair value moves slightly from US$48.57 to US$48.50 per share, a small shift that still reflects the latest round of analyst work on the name. That change is tied to recent research that raised revenue assumptions for 2025 and beyond and supported higher published price targets that feed into the US$48.50 figure. As you read on, you will see how these fresh targets, both bullish and cautious, shape the evolving narrative around Castle Biosciences and what it could...

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