CSTL (Castle Biosciences) Valuation Rank


CSTL Castle Biosciences Inc CSTL
73 GF Score
Price $24.21
GF Value $29.16
Valuation Modestly Undervalued
! 4 Warning Signs
View Full Analysis

What is Castle Biosciences Valuation Rank?

The Valuation Rank measures the current valuation of a business relative to other companies in the same industry and its own historical valuation. The companies are split in equal numbers and then ranked from 1 to 10, with 10 as the most undervalued and 1 as the most overvalued.

  1. Three factors:
    • Absolute valuation (medpsvalue) relative to current stock price, rank among all companies
    • Historical valuation over the past 10 years. Rank pe, ps, pocf, ev2ebit over their own historical values
    • Industry relative valuation
  2. Companies without enough data is not ranked
  3. Companies with negative earnings are ranked lower

These three factors are used to calculate the value score for every eligible company, with values from 1 to 10. The final ranked companies are split in equal numbers and ranked from 1 to 10, with 10 as the most undervalued, and 1 as the most overvalued. The numbers of companies in each rank are the same.


Castle Biosciences Valuation Rank Related Terms

CSTL
73GF Score
Castle Biosciences Inc CSTL
Valuation Rank is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Is Castle Biosciences (CSTL) Overvalued in 2026?

Based on GuruFocus' analysis, Castle Biosciences stock appears to be undervalued. The current stock price of $24.21 is trading 17% below its estimated GF Value™ of $29.16. GuruFocus considers Castle Biosciences to be Modestly Undervalued.

Key valuation signals for CSTL:

  • Valuation Rank:
  • GF Value™: $29.16 vs. price of $24.21 (17% below fair value)
  • GF Score™: 73/100 with 4 warning signs

No single metric tells the full story. See the CSTL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Castle Biosciences Business Description

Other Exchanges 086:Germany
Address 1500 West Parkwood Avenue, Suite 401, Friendswood, TX, USA, 77546
Castle Biosciences Inc is a molecular diagnostics company. The group provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), and uveal melanoma. The product portfolio of the company includes DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a test to predict future development of progression of high-grade dysplasia and/or esophageal cancer. The company derives revenues through the delivery of test reports for its molecular diagnostic tests.
73GF Score

Get the complete analysis for CSTL

Valuation Rank is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$24.21
Price
$29.16
GF Value